src/main/webapp/js/jquery.dataTables.js
changeset 45 38f409912075
parent 44 01753baace87
child 46 3092875edd20
equal deleted inserted replaced
44:01753baace87 45:38f409912075
     1 /*
       
     2  * File:        jquery.dataTables.js
       
     3  * Version:     1.7.6
       
     4  * Description: Paginate, search and sort HTML tables
       
     5  * Author:      Allan Jardine (www.sprymedia.co.uk)
       
     6  * Created:     28/3/2008
       
     7  * Language:    Javascript
       
     8  * License:     GPL v2 or BSD 3 point style
       
     9  * Project:     Mtaala
       
    10  * Contact:     allan.jardine@sprymedia.co.uk
       
    11  * 
       
    12  * Copyright 2008-2010 Allan Jardine, all rights reserved.
       
    13  *
       
    14  * This source file is free software, under either the GPL v2 license or a
       
    15  * BSD style license, as supplied with this software.
       
    16  * 
       
    17  * This source file is distributed in the hope that it will be useful, but 
       
    18  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
       
    19  * or FITNESS FOR A PARTICULAR PURPOSE. See the license files for details.
       
    20  * 
       
    21  * For details please refer to: http://www.datatables.net
       
    22  */
       
    23 
       
    24 /*
       
    25  * When considering jsLint, we need to allow eval() as it it is used for reading cookies and 
       
    26  * building the dynamic multi-column sort functions.
       
    27  */
       
    28 /*jslint evil: true, undef: true, browser: true */
       
    29 /*globals $, jQuery,_fnExternApiFunc,_fnInitalise,_fnInitComplete,_fnLanguageProcess,_fnAddColumn,_fnColumnOptions,_fnAddData,_fnGatherData,_fnDrawHead,_fnDraw,_fnReDraw,_fnAjaxUpdate,_fnAjaxUpdateDraw,_fnAddOptionsHtml,_fnFeatureHtmlTable,_fnScrollDraw,_fnAjustColumnSizing,_fnFeatureHtmlFilter,_fnFilterComplete,_fnFilterCustom,_fnFilterColumn,_fnFilter,_fnBuildSearchArray,_fnBuildSearchRow,_fnFilterCreateSearch,_fnDataToSearch,_fnSort,_fnSortAttachListener,_fnSortingClasses,_fnFeatureHtmlPaginate,_fnPageChange,_fnFeatureHtmlInfo,_fnUpdateInfo,_fnFeatureHtmlLength,_fnFeatureHtmlProcessing,_fnProcessingDisplay,_fnVisibleToColumnIndex,_fnColumnIndexToVisible,_fnNodeToDataIndex,_fnVisbleColumns,_fnCalculateEnd,_fnConvertToWidth,_fnCalculateColumnWidths,_fnScrollingWidthAdjust,_fnGetWidestNode,_fnGetMaxLenString,_fnStringToCss,_fnArrayCmp,_fnDetectType,_fnSettingsFromNode,_fnGetDataMaster,_fnGetTrNodes,_fnGetTdNodes,_fnEscapeRegex,_fnDeleteIndex,_fnReOrderIndex,_fnColumnOrdering,_fnLog,_fnClearTable,_fnSaveState,_fnLoadState,_fnCreateCookie,_fnReadCookie,_fnGetUniqueThs,_fnScrollBarWidth,_fnApplyToChildren,_fnMap*/
       
    30 
       
    31 (function($, window, document) {
       
    32 	/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
       
    33 	 * Section - DataTables variables
       
    34 	 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
       
    35 	
       
    36 	/*
       
    37 	 * Variable: dataTableSettings
       
    38 	 * Purpose:  Store the settings for each dataTables instance
       
    39 	 * Scope:    jQuery.fn
       
    40 	 */
       
    41 	$.fn.dataTableSettings = [];
       
    42 	var _aoSettings = $.fn.dataTableSettings; /* Short reference for fast internal lookup */
       
    43 	
       
    44 	/*
       
    45 	 * Variable: dataTableExt
       
    46 	 * Purpose:  Container for customisable parts of DataTables
       
    47 	 * Scope:    jQuery.fn
       
    48 	 */
       
    49 	$.fn.dataTableExt = {};
       
    50 	var _oExt = $.fn.dataTableExt;
       
    51 	
       
    52 	
       
    53 	/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
       
    54 	 * Section - DataTables extensible objects
       
    55 	 * 
       
    56 	 * The _oExt object is used to provide an area where user dfined plugins can be 
       
    57 	 * added to DataTables. The following properties of the object are used:
       
    58 	 *   oApi - Plug-in API functions
       
    59 	 *   aTypes - Auto-detection of types
       
    60 	 *   oSort - Sorting functions used by DataTables (based on the type)
       
    61 	 *   oPagination - Pagination functions for different input styles
       
    62 	 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
       
    63 	
       
    64 	/*
       
    65 	 * Variable: sVersion
       
    66 	 * Purpose:  Version string for plug-ins to check compatibility
       
    67 	 * Scope:    jQuery.fn.dataTableExt
       
    68 	 * Notes:    Allowed format is a.b.c.d.e where:
       
    69 	 *   a:int, b:int, c:int, d:string(dev|beta), e:int. d and e are optional
       
    70 	 */
       
    71 	_oExt.sVersion = "1.7.6";
       
    72 	
       
    73 	/*
       
    74 	 * Variable: sErrMode
       
    75 	 * Purpose:  How should DataTables report an error. Can take the value 'alert' or 'throw'
       
    76 	 * Scope:    jQuery.fn.dataTableExt
       
    77 	 */
       
    78 	_oExt.sErrMode = "alert";
       
    79 	
       
    80 	/*
       
    81 	 * Variable: iApiIndex
       
    82 	 * Purpose:  Index for what 'this' index API functions should use
       
    83 	 * Scope:    jQuery.fn.dataTableExt
       
    84 	 */
       
    85 	_oExt.iApiIndex = 0;
       
    86 	
       
    87 	/*
       
    88 	 * Variable: oApi
       
    89 	 * Purpose:  Container for plugin API functions
       
    90 	 * Scope:    jQuery.fn.dataTableExt
       
    91 	 */
       
    92 	_oExt.oApi = { };
       
    93 	
       
    94 	/*
       
    95 	 * Variable: aFiltering
       
    96 	 * Purpose:  Container for plugin filtering functions
       
    97 	 * Scope:    jQuery.fn.dataTableExt
       
    98 	 */
       
    99 	_oExt.afnFiltering = [ ];
       
   100 	
       
   101 	/*
       
   102 	 * Variable: aoFeatures
       
   103 	 * Purpose:  Container for plugin function functions
       
   104 	 * Scope:    jQuery.fn.dataTableExt
       
   105 	 * Notes:    Array of objects with the following parameters:
       
   106 	 *   fnInit: Function for initialisation of Feature. Takes oSettings and returns node
       
   107 	 *   cFeature: Character that will be matched in sDom - case sensitive
       
   108 	 *   sFeature: Feature name - just for completeness :-)
       
   109 	 */
       
   110 	_oExt.aoFeatures = [ ];
       
   111 	
       
   112 	/*
       
   113 	 * Variable: ofnSearch
       
   114 	 * Purpose:  Container for custom filtering functions
       
   115 	 * Scope:    jQuery.fn.dataTableExt
       
   116 	 * Notes:    This is an object (the name should match the type) for custom filtering function,
       
   117 	 *   which can be used for live DOM checking or formatted text filtering
       
   118 	 */
       
   119 	_oExt.ofnSearch = { };
       
   120 	
       
   121 	/*
       
   122 	 * Variable: afnSortData
       
   123 	 * Purpose:  Container for custom sorting data source functions
       
   124 	 * Scope:    jQuery.fn.dataTableExt
       
   125 	 * Notes:    Array (associative) of functions which is run prior to a column of this 
       
   126 	 *   'SortDataType' being sorted upon.
       
   127 	 *   Function input parameters:
       
   128 	 *     object:oSettings-  DataTables settings object
       
   129 	 *     int:iColumn - Target column number
       
   130 	 *   Return value: Array of data which exactly matched the full data set size for the column to
       
   131 	 *     be sorted upon
       
   132 	 */
       
   133 	_oExt.afnSortData = [ ];
       
   134 	
       
   135 	/*
       
   136 	 * Variable: oStdClasses
       
   137 	 * Purpose:  Storage for the various classes that DataTables uses
       
   138 	 * Scope:    jQuery.fn.dataTableExt
       
   139 	 */
       
   140 	_oExt.oStdClasses = {
       
   141 		/* Two buttons buttons */
       
   142 		"sPagePrevEnabled": "paginate_enabled_previous",
       
   143 		"sPagePrevDisabled": "paginate_disabled_previous",
       
   144 		"sPageNextEnabled": "paginate_enabled_next",
       
   145 		"sPageNextDisabled": "paginate_disabled_next",
       
   146 		"sPageJUINext": "",
       
   147 		"sPageJUIPrev": "",
       
   148 		
       
   149 		/* Full numbers paging buttons */
       
   150 		"sPageButton": "paginate_button",
       
   151 		"sPageButtonActive": "paginate_active",
       
   152 		"sPageButtonStaticDisabled": "paginate_button",
       
   153 		"sPageFirst": "first",
       
   154 		"sPagePrevious": "previous",
       
   155 		"sPageNext": "next",
       
   156 		"sPageLast": "last",
       
   157 		
       
   158 		/* Stripping classes */
       
   159 		"sStripOdd": "odd",
       
   160 		"sStripEven": "even",
       
   161 		
       
   162 		/* Empty row */
       
   163 		"sRowEmpty": "dataTables_empty",
       
   164 		
       
   165 		/* Features */
       
   166 		"sWrapper": "dataTables_wrapper",
       
   167 		"sFilter": "dataTables_filter",
       
   168 		"sInfo": "dataTables_info",
       
   169 		"sPaging": "dataTables_paginate paging_", /* Note that the type is postfixed */
       
   170 		"sLength": "dataTables_length",
       
   171 		"sProcessing": "dataTables_processing",
       
   172 		
       
   173 		/* Sorting */
       
   174 		"sSortAsc": "sorting_asc",
       
   175 		"sSortDesc": "sorting_desc",
       
   176 		"sSortable": "sorting", /* Sortable in both directions */
       
   177 		"sSortableAsc": "sorting_asc_disabled",
       
   178 		"sSortableDesc": "sorting_desc_disabled",
       
   179 		"sSortableNone": "sorting_disabled",
       
   180 		"sSortColumn": "sorting_", /* Note that an int is postfixed for the sorting order */
       
   181 		"sSortJUIAsc": "",
       
   182 		"sSortJUIDesc": "",
       
   183 		"sSortJUI": "",
       
   184 		"sSortJUIAscAllowed": "",
       
   185 		"sSortJUIDescAllowed": "",
       
   186 		"sSortJUIWrapper": "",
       
   187 		
       
   188 		/* Scrolling */
       
   189 		"sScrollWrapper": "dataTables_scroll",
       
   190 		"sScrollHead": "dataTables_scrollHead",
       
   191 		"sScrollHeadInner": "dataTables_scrollHeadInner",
       
   192 		"sScrollBody": "dataTables_scrollBody",
       
   193 		"sScrollFoot": "dataTables_scrollFoot",
       
   194 		"sScrollFootInner": "dataTables_scrollFootInner",
       
   195 		
       
   196 		/* Misc */
       
   197 		"sFooterTH": ""
       
   198 	};
       
   199 	
       
   200 	/*
       
   201 	 * Variable: oJUIClasses
       
   202 	 * Purpose:  Storage for the various classes that DataTables uses - jQuery UI suitable
       
   203 	 * Scope:    jQuery.fn.dataTableExt
       
   204 	 */
       
   205 	_oExt.oJUIClasses = {
       
   206 		/* Two buttons buttons */
       
   207 		"sPagePrevEnabled": "fg-button ui-button ui-state-default ui-corner-left",
       
   208 		"sPagePrevDisabled": "fg-button ui-button ui-state-default ui-corner-left ui-state-disabled",
       
   209 		"sPageNextEnabled": "fg-button ui-button ui-state-default ui-corner-right",
       
   210 		"sPageNextDisabled": "fg-button ui-button ui-state-default ui-corner-right ui-state-disabled",
       
   211 		"sPageJUINext": "ui-icon ui-icon-circle-arrow-e",
       
   212 		"sPageJUIPrev": "ui-icon ui-icon-circle-arrow-w",
       
   213 		
       
   214 		/* Full numbers paging buttons */
       
   215 		"sPageButton": "fg-button ui-button ui-state-default",
       
   216 		"sPageButtonActive": "fg-button ui-button ui-state-default ui-state-disabled",
       
   217 		"sPageButtonStaticDisabled": "fg-button ui-button ui-state-default ui-state-disabled",
       
   218 		"sPageFirst": "first ui-corner-tl ui-corner-bl",
       
   219 		"sPagePrevious": "previous",
       
   220 		"sPageNext": "next",
       
   221 		"sPageLast": "last ui-corner-tr ui-corner-br",
       
   222 		
       
   223 		/* Stripping classes */
       
   224 		"sStripOdd": "odd",
       
   225 		"sStripEven": "even",
       
   226 		
       
   227 		/* Empty row */
       
   228 		"sRowEmpty": "dataTables_empty",
       
   229 		
       
   230 		/* Features */
       
   231 		"sWrapper": "dataTables_wrapper",
       
   232 		"sFilter": "dataTables_filter",
       
   233 		"sInfo": "dataTables_info",
       
   234 		"sPaging": "dataTables_paginate fg-buttonset ui-buttonset fg-buttonset-multi "+
       
   235 			"ui-buttonset-multi paging_", /* Note that the type is postfixed */
       
   236 		"sLength": "dataTables_length",
       
   237 		"sProcessing": "dataTables_processing",
       
   238 		
       
   239 		/* Sorting */
       
   240 		"sSortAsc": "ui-state-default",
       
   241 		"sSortDesc": "ui-state-default",
       
   242 		"sSortable": "ui-state-default",
       
   243 		"sSortableAsc": "ui-state-default",
       
   244 		"sSortableDesc": "ui-state-default",
       
   245 		"sSortableNone": "ui-state-default",
       
   246 		"sSortColumn": "sorting_", /* Note that an int is postfixed for the sorting order */
       
   247 		"sSortJUIAsc": "css_right ui-icon ui-icon-triangle-1-n",
       
   248 		"sSortJUIDesc": "css_right ui-icon ui-icon-triangle-1-s",
       
   249 		"sSortJUI": "css_right ui-icon ui-icon-carat-2-n-s",
       
   250 		"sSortJUIAscAllowed": "css_right ui-icon ui-icon-carat-1-n",
       
   251 		"sSortJUIDescAllowed": "css_right ui-icon ui-icon-carat-1-s",
       
   252 		"sSortJUIWrapper": "DataTables_sort_wrapper",
       
   253 		
       
   254 		/* Scrolling */
       
   255 		"sScrollWrapper": "dataTables_scroll",
       
   256 		"sScrollHead": "dataTables_scrollHead ui-state-default",
       
   257 		"sScrollHeadInner": "dataTables_scrollHeadInner",
       
   258 		"sScrollBody": "dataTables_scrollBody",
       
   259 		"sScrollFoot": "dataTables_scrollFoot ui-state-default",
       
   260 		"sScrollFootInner": "dataTables_scrollFootInner",
       
   261 		
       
   262 		/* Misc */
       
   263 		"sFooterTH": "ui-state-default"
       
   264 	};
       
   265 	
       
   266 	/*
       
   267 	 * Variable: oPagination
       
   268 	 * Purpose:  Container for the various type of pagination that dataTables supports
       
   269 	 * Scope:    jQuery.fn.dataTableExt
       
   270 	 */
       
   271 	_oExt.oPagination = {
       
   272 		/*
       
   273 		 * Variable: two_button
       
   274 		 * Purpose:  Standard two button (forward/back) pagination
       
   275 	 	 * Scope:    jQuery.fn.dataTableExt.oPagination
       
   276 		 */
       
   277 		"two_button": {
       
   278 			/*
       
   279 			 * Function: oPagination.two_button.fnInit
       
   280 			 * Purpose:  Initalise dom elements required for pagination with forward/back buttons only
       
   281 			 * Returns:  -
       
   282 	 		 * Inputs:   object:oSettings - dataTables settings object
       
   283 	     *           node:nPaging - the DIV which contains this pagination control
       
   284 			 *           function:fnCallbackDraw - draw function which must be called on update
       
   285 			 */
       
   286 			"fnInit": function ( oSettings, nPaging, fnCallbackDraw )
       
   287 			{
       
   288 				var nPrevious, nNext, nPreviousInner, nNextInner;
       
   289 				
       
   290 				/* Store the next and previous elements in the oSettings object as they can be very
       
   291 				 * usful for automation - particularly testing
       
   292 				 */
       
   293 				if ( !oSettings.bJUI )
       
   294 				{
       
   295 					nPrevious = document.createElement( 'div' );
       
   296 					nNext = document.createElement( 'div' );
       
   297 				}
       
   298 				else
       
   299 				{
       
   300 					nPrevious = document.createElement( 'a' );
       
   301 					nNext = document.createElement( 'a' );
       
   302 					
       
   303 					nNextInner = document.createElement('span');
       
   304 					nNextInner.className = oSettings.oClasses.sPageJUINext;
       
   305 					nNext.appendChild( nNextInner );
       
   306 					
       
   307 					nPreviousInner = document.createElement('span');
       
   308 					nPreviousInner.className = oSettings.oClasses.sPageJUIPrev;
       
   309 					nPrevious.appendChild( nPreviousInner );
       
   310 				}
       
   311 				
       
   312 				nPrevious.className = oSettings.oClasses.sPagePrevDisabled;
       
   313 				nNext.className = oSettings.oClasses.sPageNextDisabled;
       
   314 				
       
   315 				nPrevious.title = oSettings.oLanguage.oPaginate.sPrevious;
       
   316 				nNext.title = oSettings.oLanguage.oPaginate.sNext;
       
   317 				
       
   318 				nPaging.appendChild( nPrevious );
       
   319 				nPaging.appendChild( nNext );
       
   320 				
       
   321 				$(nPrevious).bind( 'click.DT', function() {
       
   322 					if ( oSettings.oApi._fnPageChange( oSettings, "previous" ) )
       
   323 					{
       
   324 						/* Only draw when the page has actually changed */
       
   325 						fnCallbackDraw( oSettings );
       
   326 					}
       
   327 				} );
       
   328 				
       
   329 				$(nNext).bind( 'click.DT', function() {
       
   330 					if ( oSettings.oApi._fnPageChange( oSettings, "next" ) )
       
   331 					{
       
   332 						fnCallbackDraw( oSettings );
       
   333 					}
       
   334 				} );
       
   335 				
       
   336 				/* Take the brutal approach to cancelling text selection */
       
   337 				$(nPrevious).bind( 'selectstart.DT', function () { return false; } );
       
   338 				$(nNext).bind( 'selectstart.DT', function () { return false; } );
       
   339 				
       
   340 				/* ID the first elements only */
       
   341 				if ( oSettings.sTableId !== '' && typeof oSettings.aanFeatures.p == "undefined" )
       
   342 				{
       
   343 					nPaging.setAttribute( 'id', oSettings.sTableId+'_paginate' );
       
   344 					nPrevious.setAttribute( 'id', oSettings.sTableId+'_previous' );
       
   345 					nNext.setAttribute( 'id', oSettings.sTableId+'_next' );
       
   346 				}
       
   347 			},
       
   348 			
       
   349 			/*
       
   350 			 * Function: oPagination.two_button.fnUpdate
       
   351 			 * Purpose:  Update the two button pagination at the end of the draw
       
   352 			 * Returns:  -
       
   353 	 		 * Inputs:   object:oSettings - dataTables settings object
       
   354 			 *           function:fnCallbackDraw - draw function to call on page change
       
   355 			 */
       
   356 			"fnUpdate": function ( oSettings, fnCallbackDraw )
       
   357 			{
       
   358 				if ( !oSettings.aanFeatures.p )
       
   359 				{
       
   360 					return;
       
   361 				}
       
   362 				
       
   363 				/* Loop over each instance of the pager */
       
   364 				var an = oSettings.aanFeatures.p;
       
   365 				for ( var i=0, iLen=an.length ; i<iLen ; i++ )
       
   366 				{
       
   367 					if ( an[i].childNodes.length !== 0 )
       
   368 					{
       
   369 						an[i].childNodes[0].className = 
       
   370 							( oSettings._iDisplayStart === 0 ) ? 
       
   371 							oSettings.oClasses.sPagePrevDisabled : oSettings.oClasses.sPagePrevEnabled;
       
   372 						
       
   373 						an[i].childNodes[1].className = 
       
   374 							( oSettings.fnDisplayEnd() == oSettings.fnRecordsDisplay() ) ? 
       
   375 							oSettings.oClasses.sPageNextDisabled : oSettings.oClasses.sPageNextEnabled;
       
   376 					}
       
   377 				}
       
   378 			}
       
   379 		},
       
   380 		
       
   381 		
       
   382 		/*
       
   383 		 * Variable: iFullNumbersShowPages
       
   384 		 * Purpose:  Change the number of pages which can be seen
       
   385 	 	 * Scope:    jQuery.fn.dataTableExt.oPagination
       
   386 		 */
       
   387 		"iFullNumbersShowPages": 5,
       
   388 		
       
   389 		/*
       
   390 		 * Variable: full_numbers
       
   391 		 * Purpose:  Full numbers pagination
       
   392 	 	 * Scope:    jQuery.fn.dataTableExt.oPagination
       
   393 		 */
       
   394 		"full_numbers": {
       
   395 			/*
       
   396 			 * Function: oPagination.full_numbers.fnInit
       
   397 			 * Purpose:  Initalise dom elements required for pagination with a list of the pages
       
   398 			 * Returns:  -
       
   399 	 		 * Inputs:   object:oSettings - dataTables settings object
       
   400 	     *           node:nPaging - the DIV which contains this pagination control
       
   401 			 *           function:fnCallbackDraw - draw function which must be called on update
       
   402 			 */
       
   403 			"fnInit": function ( oSettings, nPaging, fnCallbackDraw )
       
   404 			{
       
   405 				var nFirst = document.createElement( 'span' );
       
   406 				var nPrevious = document.createElement( 'span' );
       
   407 				var nList = document.createElement( 'span' );
       
   408 				var nNext = document.createElement( 'span' );
       
   409 				var nLast = document.createElement( 'span' );
       
   410 				
       
   411 				nFirst.innerHTML = oSettings.oLanguage.oPaginate.sFirst;
       
   412 				nPrevious.innerHTML = oSettings.oLanguage.oPaginate.sPrevious;
       
   413 				nNext.innerHTML = oSettings.oLanguage.oPaginate.sNext;
       
   414 				nLast.innerHTML = oSettings.oLanguage.oPaginate.sLast;
       
   415 				
       
   416 				var oClasses = oSettings.oClasses;
       
   417 				nFirst.className = oClasses.sPageButton+" "+oClasses.sPageFirst;
       
   418 				nPrevious.className = oClasses.sPageButton+" "+oClasses.sPagePrevious;
       
   419 				nNext.className= oClasses.sPageButton+" "+oClasses.sPageNext;
       
   420 				nLast.className = oClasses.sPageButton+" "+oClasses.sPageLast;
       
   421 				
       
   422 				nPaging.appendChild( nFirst );
       
   423 				nPaging.appendChild( nPrevious );
       
   424 				nPaging.appendChild( nList );
       
   425 				nPaging.appendChild( nNext );
       
   426 				nPaging.appendChild( nLast );
       
   427 				
       
   428 				$(nFirst).bind( 'click.DT', function () {
       
   429 					if ( oSettings.oApi._fnPageChange( oSettings, "first" ) )
       
   430 					{
       
   431 						fnCallbackDraw( oSettings );
       
   432 					}
       
   433 				} );
       
   434 				
       
   435 				$(nPrevious).bind( 'click.DT', function() {
       
   436 					if ( oSettings.oApi._fnPageChange( oSettings, "previous" ) )
       
   437 					{
       
   438 						fnCallbackDraw( oSettings );
       
   439 					}
       
   440 				} );
       
   441 				
       
   442 				$(nNext).bind( 'click.DT', function() {
       
   443 					if ( oSettings.oApi._fnPageChange( oSettings, "next" ) )
       
   444 					{
       
   445 						fnCallbackDraw( oSettings );
       
   446 					}
       
   447 				} );
       
   448 				
       
   449 				$(nLast).bind( 'click.DT', function() {
       
   450 					if ( oSettings.oApi._fnPageChange( oSettings, "last" ) )
       
   451 					{
       
   452 						fnCallbackDraw( oSettings );
       
   453 					}
       
   454 				} );
       
   455 				
       
   456 				/* Take the brutal approach to cancelling text selection */
       
   457 				$('span', nPaging)
       
   458 					.bind( 'mousedown.DT', function () { return false; } )
       
   459 					.bind( 'selectstart.DT', function () { return false; } );
       
   460 				
       
   461 				/* ID the first elements only */
       
   462 				if ( oSettings.sTableId !== '' && typeof oSettings.aanFeatures.p == "undefined" )
       
   463 				{
       
   464 					nPaging.setAttribute( 'id', oSettings.sTableId+'_paginate' );
       
   465 					nFirst.setAttribute( 'id', oSettings.sTableId+'_first' );
       
   466 					nPrevious.setAttribute( 'id', oSettings.sTableId+'_previous' );
       
   467 					nNext.setAttribute( 'id', oSettings.sTableId+'_next' );
       
   468 					nLast.setAttribute( 'id', oSettings.sTableId+'_last' );
       
   469 				}
       
   470 			},
       
   471 			
       
   472 			/*
       
   473 			 * Function: oPagination.full_numbers.fnUpdate
       
   474 			 * Purpose:  Update the list of page buttons shows
       
   475 			 * Returns:  -
       
   476 	 		 * Inputs:   object:oSettings - dataTables settings object
       
   477 			 *           function:fnCallbackDraw - draw function to call on page change
       
   478 			 */
       
   479 			"fnUpdate": function ( oSettings, fnCallbackDraw )
       
   480 			{
       
   481 				if ( !oSettings.aanFeatures.p )
       
   482 				{
       
   483 					return;
       
   484 				}
       
   485 				
       
   486 				var iPageCount = _oExt.oPagination.iFullNumbersShowPages;
       
   487 				var iPageCountHalf = Math.floor(iPageCount / 2);
       
   488 				var iPages = Math.ceil((oSettings.fnRecordsDisplay()) / oSettings._iDisplayLength);
       
   489 				var iCurrentPage = Math.ceil(oSettings._iDisplayStart / oSettings._iDisplayLength) + 1;
       
   490 				var sList = "";
       
   491 				var iStartButton, iEndButton, i, iLen;
       
   492 				var oClasses = oSettings.oClasses;
       
   493 				
       
   494 				/* Pages calculation */
       
   495 				if (iPages < iPageCount)
       
   496 				{
       
   497 					iStartButton = 1;
       
   498 					iEndButton = iPages;
       
   499 				}
       
   500 				else
       
   501 				{
       
   502 					if (iCurrentPage <= iPageCountHalf)
       
   503 					{
       
   504 						iStartButton = 1;
       
   505 						iEndButton = iPageCount;
       
   506 					}
       
   507 					else
       
   508 					{
       
   509 						if (iCurrentPage >= (iPages - iPageCountHalf))
       
   510 						{
       
   511 							iStartButton = iPages - iPageCount + 1;
       
   512 							iEndButton = iPages;
       
   513 						}
       
   514 						else
       
   515 						{
       
   516 							iStartButton = iCurrentPage - Math.ceil(iPageCount / 2) + 1;
       
   517 							iEndButton = iStartButton + iPageCount - 1;
       
   518 						}
       
   519 					}
       
   520 				}
       
   521 				
       
   522 				/* Build the dynamic list */
       
   523 				for ( i=iStartButton ; i<=iEndButton ; i++ )
       
   524 				{
       
   525 					if ( iCurrentPage != i )
       
   526 					{
       
   527 						sList += '<span class="'+oClasses.sPageButton+'">'+i+'</span>';
       
   528 					}
       
   529 					else
       
   530 					{
       
   531 						sList += '<span class="'+oClasses.sPageButtonActive+'">'+i+'</span>';
       
   532 					}
       
   533 				}
       
   534 				
       
   535 				/* Loop over each instance of the pager */
       
   536 				var an = oSettings.aanFeatures.p;
       
   537 				var anButtons, anStatic, nPaginateList;
       
   538 				var fnClick = function() {
       
   539 					/* Use the information in the element to jump to the required page */
       
   540 					var iTarget = (this.innerHTML * 1) - 1;
       
   541 					oSettings._iDisplayStart = iTarget * oSettings._iDisplayLength;
       
   542 					fnCallbackDraw( oSettings );
       
   543 					return false;
       
   544 				};
       
   545 				var fnFalse = function () { return false; };
       
   546 				
       
   547 				for ( i=0, iLen=an.length ; i<iLen ; i++ )
       
   548 				{
       
   549 					if ( an[i].childNodes.length === 0 )
       
   550 					{
       
   551 						continue;
       
   552 					}
       
   553 					
       
   554 					/* Build up the dynamic list forst - html and listeners */
       
   555 					var qjPaginateList = $('span:eq(2)', an[i]);
       
   556 					qjPaginateList.html( sList );
       
   557 					$('span', qjPaginateList).bind( 'click.DT', fnClick ).bind( 'mousedown.DT', fnFalse )
       
   558 						.bind( 'selectstart.DT', fnFalse );
       
   559 					
       
   560 					/* Update the 'premanent botton's classes */
       
   561 					anButtons = an[i].getElementsByTagName('span');
       
   562 					anStatic = [
       
   563 						anButtons[0], anButtons[1], 
       
   564 						anButtons[anButtons.length-2], anButtons[anButtons.length-1]
       
   565 					];
       
   566 					$(anStatic).removeClass( oClasses.sPageButton+" "+oClasses.sPageButtonActive+" "+oClasses.sPageButtonStaticDisabled );
       
   567 					if ( iCurrentPage == 1 )
       
   568 					{
       
   569 						anStatic[0].className += " "+oClasses.sPageButtonStaticDisabled;
       
   570 						anStatic[1].className += " "+oClasses.sPageButtonStaticDisabled;
       
   571 					}
       
   572 					else
       
   573 					{
       
   574 						anStatic[0].className += " "+oClasses.sPageButton;
       
   575 						anStatic[1].className += " "+oClasses.sPageButton;
       
   576 					}
       
   577 					
       
   578 					if ( iPages === 0 || iCurrentPage == iPages || oSettings._iDisplayLength == -1 )
       
   579 					{
       
   580 						anStatic[2].className += " "+oClasses.sPageButtonStaticDisabled;
       
   581 						anStatic[3].className += " "+oClasses.sPageButtonStaticDisabled;
       
   582 					}
       
   583 					else
       
   584 					{
       
   585 						anStatic[2].className += " "+oClasses.sPageButton;
       
   586 						anStatic[3].className += " "+oClasses.sPageButton;
       
   587 					}
       
   588 				}
       
   589 			}
       
   590 		}
       
   591 	};
       
   592 	
       
   593 	/*
       
   594 	 * Variable: oSort
       
   595 	 * Purpose:  Wrapper for the sorting functions that can be used in DataTables
       
   596 	 * Scope:    jQuery.fn.dataTableExt
       
   597 	 * Notes:    The functions provided in this object are basically standard javascript sort
       
   598 	 *   functions - they expect two inputs which they then compare and then return a priority
       
   599 	 *   result. For each sort method added, two functions need to be defined, an ascending sort and
       
   600 	 *   a descending sort.
       
   601 	 */
       
   602 	_oExt.oSort = {
       
   603 		/*
       
   604 		 * text sorting
       
   605 		 */
       
   606 		"string-asc": function ( a, b )
       
   607 		{
       
   608 			var x = a.toLowerCase();
       
   609 			var y = b.toLowerCase();
       
   610 			return ((x < y) ? -1 : ((x > y) ? 1 : 0));
       
   611 		},
       
   612 		
       
   613 		"string-desc": function ( a, b )
       
   614 		{
       
   615 			var x = a.toLowerCase();
       
   616 			var y = b.toLowerCase();
       
   617 			return ((x < y) ? 1 : ((x > y) ? -1 : 0));
       
   618 		},
       
   619 		
       
   620 		
       
   621 		/*
       
   622 		 * html sorting (ignore html tags)
       
   623 		 */
       
   624 		"html-asc": function ( a, b )
       
   625 		{
       
   626 			var x = a.replace( /<.*?>/g, "" ).toLowerCase();
       
   627 			var y = b.replace( /<.*?>/g, "" ).toLowerCase();
       
   628 			return ((x < y) ? -1 : ((x > y) ? 1 : 0));
       
   629 		},
       
   630 		
       
   631 		"html-desc": function ( a, b )
       
   632 		{
       
   633 			var x = a.replace( /<.*?>/g, "" ).toLowerCase();
       
   634 			var y = b.replace( /<.*?>/g, "" ).toLowerCase();
       
   635 			return ((x < y) ? 1 : ((x > y) ? -1 : 0));
       
   636 		},
       
   637 		
       
   638 		
       
   639 		/*
       
   640 		 * date sorting
       
   641 		 */
       
   642 		"date-asc": function ( a, b )
       
   643 		{
       
   644 			var x = Date.parse( a );
       
   645 			var y = Date.parse( b );
       
   646 			
       
   647 			if ( isNaN(x) || x==="" )
       
   648 			{
       
   649     		x = Date.parse( "01/01/1970 00:00:00" );
       
   650 			}
       
   651 			if ( isNaN(y) || y==="" )
       
   652 			{
       
   653 				y =	Date.parse( "01/01/1970 00:00:00" );
       
   654 			}
       
   655 			
       
   656 			return x - y;
       
   657 		},
       
   658 		
       
   659 		"date-desc": function ( a, b )
       
   660 		{
       
   661 			var x = Date.parse( a );
       
   662 			var y = Date.parse( b );
       
   663 			
       
   664 			if ( isNaN(x) || x==="" )
       
   665 			{
       
   666     		x = Date.parse( "01/01/1970 00:00:00" );
       
   667 			}
       
   668 			if ( isNaN(y) || y==="" )
       
   669 			{
       
   670 				y =	Date.parse( "01/01/1970 00:00:00" );
       
   671 			}
       
   672 			
       
   673 			return y - x;
       
   674 		},
       
   675 		
       
   676 		
       
   677 		/*
       
   678 		 * numerical sorting
       
   679 		 */
       
   680 		"numeric-asc": function ( a, b )
       
   681 		{
       
   682 			var x = (a=="-" || a==="") ? 0 : a*1;
       
   683 			var y = (b=="-" || b==="") ? 0 : b*1;
       
   684 			return x - y;
       
   685 		},
       
   686 		
       
   687 		"numeric-desc": function ( a, b )
       
   688 		{
       
   689 			var x = (a=="-" || a==="") ? 0 : a*1;
       
   690 			var y = (b=="-" || b==="") ? 0 : b*1;
       
   691 			return y - x;
       
   692 		}
       
   693 	};
       
   694 	
       
   695 	
       
   696 	/*
       
   697 	 * Variable: aTypes
       
   698 	 * Purpose:  Container for the various type of type detection that dataTables supports
       
   699 	 * Scope:    jQuery.fn.dataTableExt
       
   700 	 * Notes:    The functions in this array are expected to parse a string to see if it is a data
       
   701 	 *   type that it recognises. If so then the function should return the name of the type (a
       
   702 	 *   corresponding sort function should be defined!), if the type is not recognised then the
       
   703 	 *   function should return null such that the parser and move on to check the next type.
       
   704 	 *   Note that ordering is important in this array - the functions are processed linearly,
       
   705 	 *   starting at index 0.
       
   706 	 *   Note that the input for these functions is always a string! It cannot be any other data
       
   707 	 *   type
       
   708 	 */
       
   709 	_oExt.aTypes = [
       
   710 		/*
       
   711 		 * Function: -
       
   712 		 * Purpose:  Check to see if a string is numeric
       
   713 		 * Returns:  string:'numeric' or null
       
   714 		 * Inputs:   string:sText - string to check
       
   715 		 */
       
   716 		function ( sData )
       
   717 		{
       
   718 			/* Allow zero length strings as a number */
       
   719 			if ( sData.length === 0 )
       
   720 			{
       
   721 				return 'numeric';
       
   722 			}
       
   723 			
       
   724 			var sValidFirstChars = "0123456789-";
       
   725 			var sValidChars = "0123456789.";
       
   726 			var Char;
       
   727 			var bDecimal = false;
       
   728 			
       
   729 			/* Check for a valid first char (no period and allow negatives) */
       
   730 			Char = sData.charAt(0); 
       
   731 			if (sValidFirstChars.indexOf(Char) == -1) 
       
   732 			{
       
   733 				return null;
       
   734 			}
       
   735 			
       
   736 			/* Check all the other characters are valid */
       
   737 			for ( var i=1 ; i<sData.length ; i++ ) 
       
   738 			{
       
   739 				Char = sData.charAt(i); 
       
   740 				if (sValidChars.indexOf(Char) == -1) 
       
   741 				{
       
   742 					return null;
       
   743 				}
       
   744 				
       
   745 				/* Only allowed one decimal place... */
       
   746 				if ( Char == "." )
       
   747 				{
       
   748 					if ( bDecimal )
       
   749 					{
       
   750 						return null;
       
   751 					}
       
   752 					bDecimal = true;
       
   753 				}
       
   754 			}
       
   755 			
       
   756 			return 'numeric';
       
   757 		},
       
   758 		
       
   759 		/*
       
   760 		 * Function: -
       
   761 		 * Purpose:  Check to see if a string is actually a formatted date
       
   762 		 * Returns:  string:'date' or null
       
   763 		 * Inputs:   string:sText - string to check
       
   764 		 */
       
   765 		function ( sData )
       
   766 		{
       
   767 			var iParse = Date.parse(sData);
       
   768 			if ( (iParse !== null && !isNaN(iParse)) || sData.length === 0 )
       
   769 			{
       
   770 				return 'date';
       
   771 			}
       
   772 			return null;
       
   773 		},
       
   774 		
       
   775 		/*
       
   776 		 * Function: -
       
   777 		 * Purpose:  Check to see if a string should be treated as an HTML string
       
   778 		 * Returns:  string:'html' or null
       
   779 		 * Inputs:   string:sText - string to check
       
   780 		 */
       
   781 		function ( sData )
       
   782 		{
       
   783 			if ( sData.indexOf('<') != -1 && sData.indexOf('>') != -1 )
       
   784 			{
       
   785 				return 'html';
       
   786 			}
       
   787 			return null;
       
   788 		}
       
   789 	];
       
   790 	
       
   791 	/*
       
   792 	 * Function: fnVersionCheck
       
   793 	 * Purpose:  Check a version string against this version of DataTables. Useful for plug-ins
       
   794 	 * Returns:  bool:true -this version of DataTables is greater or equal to the required version
       
   795 	 *                false -this version of DataTales is not suitable
       
   796 	 * Inputs:   string:sVersion - the version to check against. May be in the following formats:
       
   797 	 *             "a", "a.b" or "a.b.c"
       
   798 	 * Notes:    This function will only check the first three parts of a version string. It is
       
   799 	 *   assumed that beta and dev versions will meet the requirements. This might change in future
       
   800 	 */
       
   801 	_oExt.fnVersionCheck = function( sVersion )
       
   802 	{
       
   803 		/* This is cheap, but very effective */
       
   804 		var fnZPad = function (Zpad, count)
       
   805 		{
       
   806 			while(Zpad.length < count) {
       
   807 				Zpad += '0';
       
   808 			}
       
   809 			return Zpad;
       
   810 		};
       
   811 		var aThis = _oExt.sVersion.split('.');
       
   812 		var aThat = sVersion.split('.');
       
   813 		var sThis = '', sThat = '';
       
   814 		
       
   815 		for ( var i=0, iLen=aThat.length ; i<iLen ; i++ )
       
   816 		{
       
   817 			sThis += fnZPad( aThis[i], 3 );
       
   818 			sThat += fnZPad( aThat[i], 3 );
       
   819 		}
       
   820 		
       
   821 		return parseInt(sThis, 10) >= parseInt(sThat, 10);
       
   822 	};
       
   823 	
       
   824 	/*
       
   825 	 * Variable: _oExternConfig
       
   826 	 * Purpose:  Store information for DataTables to access globally about other instances
       
   827 	 * Scope:    jQuery.fn.dataTableExt
       
   828 	 */
       
   829 	_oExt._oExternConfig = {
       
   830 		/* int:iNextUnique - next unique number for an instance */
       
   831 		"iNextUnique": 0
       
   832 	};
       
   833 	
       
   834 	
       
   835 	/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
       
   836 	 * Section - DataTables prototype
       
   837 	 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
       
   838 	
       
   839 	/*
       
   840 	 * Function: dataTable
       
   841 	 * Purpose:  DataTables information
       
   842 	 * Returns:  -
       
   843 	 * Inputs:   object:oInit - initalisation options for the table
       
   844 	 */
       
   845 	$.fn.dataTable = function( oInit )
       
   846 	{
       
   847 		/*
       
   848 		 * Function: classSettings
       
   849 		 * Purpose:  Settings container function for all 'class' properties which are required
       
   850 		 *   by dataTables
       
   851 		 * Returns:  -
       
   852 		 * Inputs:   -
       
   853 		 */
       
   854 		function classSettings ()
       
   855 		{
       
   856 			this.fnRecordsTotal = function ()
       
   857 			{
       
   858 				if ( this.oFeatures.bServerSide ) {
       
   859 					return parseInt(this._iRecordsTotal, 10);
       
   860 				} else {
       
   861 					return this.aiDisplayMaster.length;
       
   862 				}
       
   863 			};
       
   864 			
       
   865 			this.fnRecordsDisplay = function ()
       
   866 			{
       
   867 				if ( this.oFeatures.bServerSide ) {
       
   868 					return parseInt(this._iRecordsDisplay, 10);
       
   869 				} else {
       
   870 					return this.aiDisplay.length;
       
   871 				}
       
   872 			};
       
   873 			
       
   874 			this.fnDisplayEnd = function ()
       
   875 			{
       
   876 				if ( this.oFeatures.bServerSide ) {
       
   877 					if ( this.oFeatures.bPaginate === false || this._iDisplayLength == -1 ) {
       
   878 						return this._iDisplayStart+this.aiDisplay.length;
       
   879 					} else {
       
   880 						return Math.min( this._iDisplayStart+this._iDisplayLength, 
       
   881 							this._iRecordsDisplay );
       
   882 					}
       
   883 				} else {
       
   884 					return this._iDisplayEnd;
       
   885 				}
       
   886 			};
       
   887 			
       
   888 			/*
       
   889 			 * Variable: oInstance
       
   890 			 * Purpose:  The DataTables object for this table
       
   891 			 * Scope:    jQuery.dataTable.classSettings 
       
   892 			 */
       
   893 			this.oInstance = null;
       
   894 			
       
   895 			/*
       
   896 			 * Variable: sInstance
       
   897 			 * Purpose:  Unique idendifier for each instance of the DataTables object
       
   898 			 * Scope:    jQuery.dataTable.classSettings 
       
   899 			 */
       
   900 			this.sInstance = null;
       
   901 			
       
   902 			/*
       
   903 			 * Variable: oFeatures
       
   904 			 * Purpose:  Indicate the enablement of key dataTable features
       
   905 			 * Scope:    jQuery.dataTable.classSettings 
       
   906 			 */
       
   907 			this.oFeatures = {
       
   908 				"bPaginate": true,
       
   909 				"bLengthChange": true,
       
   910 				"bFilter": true,
       
   911 				"bSort": true,
       
   912 				"bInfo": true,
       
   913 				"bAutoWidth": true,
       
   914 				"bProcessing": false,
       
   915 				"bSortClasses": true,
       
   916 				"bStateSave": false,
       
   917 				"bServerSide": false
       
   918 			};
       
   919 			
       
   920 			/*
       
   921 			 * Variable: oScroll
       
   922 			 * Purpose:  Container for scrolling options
       
   923 			 * Scope:    jQuery.dataTable.classSettings 
       
   924 			 */
       
   925 			this.oScroll = {
       
   926 				"sX": "",
       
   927 				"sXInner": "",
       
   928 				"sY": "",
       
   929 				"bCollapse": false,
       
   930 				"bInfinite": false,
       
   931 				"iLoadGap": 100,
       
   932 				"iBarWidth": 0,
       
   933 				"bAutoCss": true
       
   934 			};
       
   935 			
       
   936 			/*
       
   937 			 * Variable: aanFeatures
       
   938 			 * Purpose:  Array referencing the nodes which are used for the features
       
   939 			 * Scope:    jQuery.dataTable.classSettings 
       
   940 			 * Notes:    The parameters of this object match what is allowed by sDom - i.e.
       
   941 			 *   'l' - Length changing
       
   942 			 *   'f' - Filtering input
       
   943 			 *   't' - The table!
       
   944 			 *   'i' - Information
       
   945 			 *   'p' - Pagination
       
   946 			 *   'r' - pRocessing
       
   947 			 */
       
   948 			this.aanFeatures = [];
       
   949 			
       
   950 			/*
       
   951 			 * Variable: oLanguage
       
   952 			 * Purpose:  Store the language strings used by dataTables
       
   953 			 * Scope:    jQuery.dataTable.classSettings
       
   954 			 * Notes:    The words in the format _VAR_ are variables which are dynamically replaced
       
   955 			 *   by javascript
       
   956 			 */
       
   957 			this.oLanguage = {
       
   958 				"sProcessing": "Processing...",
       
   959 				"sLengthMenu": "Show _MENU_ entries",
       
   960 				"sZeroRecords": "No matching records found",
       
   961 				"sEmptyTable": "No data available in table",
       
   962 				"sInfo": "Showing _START_ to _END_ of _TOTAL_ entries",
       
   963 				"sInfoEmpty": "Showing 0 to 0 of 0 entries",
       
   964 				"sInfoFiltered": "(filtered from _MAX_ total entries)",
       
   965 				"sInfoPostFix": "",
       
   966 				"sSearch": "Search:",
       
   967 				"sUrl": "",
       
   968 				"oPaginate": {
       
   969 					"sFirst":    "First",
       
   970 					"sPrevious": "Previous",
       
   971 					"sNext":     "Next",
       
   972 					"sLast":     "Last"
       
   973 				},
       
   974 				"fnInfoCallback": null
       
   975 			};
       
   976 			
       
   977 			/*
       
   978 			 * Variable: aoData
       
   979 			 * Purpose:  Store data information
       
   980 			 * Scope:    jQuery.dataTable.classSettings 
       
   981 			 * Notes:    This is an array of objects with the following parameters:
       
   982 			 *   int: _iId - internal id for tracking
       
   983 			 *   array: _aData - internal data - used for sorting / filtering etc
       
   984 			 *   node: nTr - display node
       
   985 			 *   array node: _anHidden - hidden TD nodes
       
   986 			 *   string: _sRowStripe
       
   987 			 */
       
   988 			this.aoData = [];
       
   989 			
       
   990 			/*
       
   991 			 * Variable: aiDisplay
       
   992 			 * Purpose:  Array of indexes which are in the current display (after filtering etc)
       
   993 			 * Scope:    jQuery.dataTable.classSettings
       
   994 			 */
       
   995 			this.aiDisplay = [];
       
   996 			
       
   997 			/*
       
   998 			 * Variable: aiDisplayMaster
       
   999 			 * Purpose:  Array of indexes for display - no filtering
       
  1000 			 * Scope:    jQuery.dataTable.classSettings
       
  1001 			 */
       
  1002 			this.aiDisplayMaster = [];
       
  1003 							
       
  1004 			/*
       
  1005 			 * Variable: aoColumns
       
  1006 			 * Purpose:  Store information about each column that is in use
       
  1007 			 * Scope:    jQuery.dataTable.classSettings 
       
  1008 			 */
       
  1009 			this.aoColumns = [];
       
  1010 			
       
  1011 			/*
       
  1012 			 * Variable: iNextId
       
  1013 			 * Purpose:  Store the next unique id to be used for a new row
       
  1014 			 * Scope:    jQuery.dataTable.classSettings 
       
  1015 			 */
       
  1016 			this.iNextId = 0;
       
  1017 			
       
  1018 			/*
       
  1019 			 * Variable: asDataSearch
       
  1020 			 * Purpose:  Search data array for regular expression searching
       
  1021 			 * Scope:    jQuery.dataTable.classSettings
       
  1022 			 */
       
  1023 			this.asDataSearch = [];
       
  1024 			
       
  1025 			/*
       
  1026 			 * Variable: oPreviousSearch
       
  1027 			 * Purpose:  Store the previous search incase we want to force a re-search
       
  1028 			 *   or compare the old search to a new one
       
  1029 			 * Scope:    jQuery.dataTable.classSettings
       
  1030 			 */
       
  1031 			this.oPreviousSearch = {
       
  1032 				"sSearch": "",
       
  1033 				"bRegex": false,
       
  1034 				"bSmart": true
       
  1035 			};
       
  1036 			
       
  1037 			/*
       
  1038 			 * Variable: aoPreSearchCols
       
  1039 			 * Purpose:  Store the previous search for each column
       
  1040 			 * Scope:    jQuery.dataTable.classSettings
       
  1041 			 */
       
  1042 			this.aoPreSearchCols = [];
       
  1043 			
       
  1044 			/*
       
  1045 			 * Variable: aaSorting
       
  1046 			 * Purpose:  Sorting information
       
  1047 			 * Scope:    jQuery.dataTable.classSettings
       
  1048 			 * Notes:    Index 0 - column number
       
  1049 			 *           Index 1 - current sorting direction
       
  1050 			 *           Index 2 - index of asSorting for this column
       
  1051 			 */
       
  1052 			this.aaSorting = [ [0, 'asc', 0] ];
       
  1053 			
       
  1054 			/*
       
  1055 			 * Variable: aaSortingFixed
       
  1056 			 * Purpose:  Sorting information that is always applied
       
  1057 			 * Scope:    jQuery.dataTable.classSettings
       
  1058 			 */
       
  1059 			this.aaSortingFixed = null;
       
  1060 			
       
  1061 			/*
       
  1062 			 * Variable: asStripClasses
       
  1063 			 * Purpose:  Classes to use for the striping of a table
       
  1064 			 * Scope:    jQuery.dataTable.classSettings
       
  1065 			 */
       
  1066 			this.asStripClasses = [];
       
  1067 			
       
  1068 			/*
       
  1069 			 * Variable: asDestoryStrips
       
  1070 			 * Purpose:  If restoring a table - we should restore it's striping classes as well
       
  1071 			 * Scope:    jQuery.dataTable.classSettings
       
  1072 			 */
       
  1073 			this.asDestoryStrips = [];
       
  1074 			
       
  1075 			/*
       
  1076 			 * Variable: sDestroyWidth
       
  1077 			 * Purpose:  If restoring a table - we should restore it's width
       
  1078 			 * Scope:    jQuery.dataTable.classSettings
       
  1079 			 */
       
  1080 			this.sDestroyWidth = 0;
       
  1081 			
       
  1082 			/*
       
  1083 			 * Variable: fnRowCallback
       
  1084 			 * Purpose:  Call this function every time a row is inserted (draw)
       
  1085 			 * Scope:    jQuery.dataTable.classSettings
       
  1086 			 */
       
  1087 			this.fnRowCallback = null;
       
  1088 			
       
  1089 			/*
       
  1090 			 * Variable: fnHeaderCallback
       
  1091 			 * Purpose:  Callback function for the header on each draw
       
  1092 			 * Scope:    jQuery.dataTable.classSettings
       
  1093 			 */
       
  1094 			this.fnHeaderCallback = null;
       
  1095 			
       
  1096 			/*
       
  1097 			 * Variable: fnFooterCallback
       
  1098 			 * Purpose:  Callback function for the footer on each draw
       
  1099 			 * Scope:    jQuery.dataTable.classSettings
       
  1100 			 */
       
  1101 			this.fnFooterCallback = null;
       
  1102 			
       
  1103 			/*
       
  1104 			 * Variable: aoDrawCallback
       
  1105 			 * Purpose:  Array of callback functions for draw callback functions
       
  1106 			 * Scope:    jQuery.dataTable.classSettings
       
  1107 			 * Notes:    Each array element is an object with the following parameters:
       
  1108 			 *   function:fn - function to call
       
  1109 			 *   string:sName - name callback (feature). useful for arranging array
       
  1110 			 */
       
  1111 			this.aoDrawCallback = [];
       
  1112 			
       
  1113 			/*
       
  1114 			 * Variable: fnInitComplete
       
  1115 			 * Purpose:  Callback function for when the table has been initalised
       
  1116 			 * Scope:    jQuery.dataTable.classSettings
       
  1117 			 */
       
  1118 			this.fnInitComplete = null;
       
  1119 			
       
  1120 			/*
       
  1121 			 * Variable: sTableId
       
  1122 			 * Purpose:  Cache the table ID for quick access
       
  1123 			 * Scope:    jQuery.dataTable.classSettings
       
  1124 			 */
       
  1125 			this.sTableId = "";
       
  1126 			
       
  1127 			/*
       
  1128 			 * Variable: nTable
       
  1129 			 * Purpose:  Cache the table node for quick access
       
  1130 			 * Scope:    jQuery.dataTable.classSettings
       
  1131 			 */
       
  1132 			this.nTable = null;
       
  1133 			
       
  1134 			/*
       
  1135 			 * Variable: nTHead
       
  1136 			 * Purpose:  Permanent ref to the thead element
       
  1137 			 * Scope:    jQuery.dataTable.classSettings
       
  1138 			 */
       
  1139 			this.nTHead = null;
       
  1140 			
       
  1141 			/*
       
  1142 			 * Variable: nTFoot
       
  1143 			 * Purpose:  Permanent ref to the tfoot element - if it exists
       
  1144 			 * Scope:    jQuery.dataTable.classSettings
       
  1145 			 */
       
  1146 			this.nTFoot = null;
       
  1147 			
       
  1148 			/*
       
  1149 			 * Variable: nTBody
       
  1150 			 * Purpose:  Permanent ref to the tbody element
       
  1151 			 * Scope:    jQuery.dataTable.classSettings
       
  1152 			 */
       
  1153 			this.nTBody = null;
       
  1154 			
       
  1155 			/*
       
  1156 			 * Variable: nTableWrapper
       
  1157 			 * Purpose:  Cache the wrapper node (contains all DataTables controlled elements)
       
  1158 			 * Scope:    jQuery.dataTable.classSettings
       
  1159 			 */
       
  1160 			this.nTableWrapper = null;
       
  1161 			
       
  1162 			/*
       
  1163 			 * Variable: bInitialised
       
  1164 			 * Purpose:  Indicate if all required information has been read in
       
  1165 			 * Scope:    jQuery.dataTable.classSettings
       
  1166 			 */
       
  1167 			this.bInitialised = false;
       
  1168 			
       
  1169 			/*
       
  1170 			 * Variable: aoOpenRows
       
  1171 			 * Purpose:  Information about open rows
       
  1172 			 * Scope:    jQuery.dataTable.classSettings
       
  1173 			 * Notes:    Has the parameters 'nTr' and 'nParent'
       
  1174 			 */
       
  1175 			this.aoOpenRows = [];
       
  1176 			
       
  1177 			/*
       
  1178 			 * Variable: sDom
       
  1179 			 * Purpose:  Dictate the positioning that the created elements will take
       
  1180 			 * Scope:    jQuery.dataTable.classSettings
       
  1181 			 * Notes:    
       
  1182 			 *   The following options are allowed:
       
  1183 			 *     'l' - Length changing
       
  1184 			 *     'f' - Filtering input
       
  1185 			 *     't' - The table!
       
  1186 			 *     'i' - Information
       
  1187 			 *     'p' - Pagination
       
  1188 			 *     'r' - pRocessing
       
  1189 			 *   The following constants are allowed:
       
  1190 			 *     'H' - jQueryUI theme "header" classes
       
  1191 			 *     'F' - jQueryUI theme "footer" classes
       
  1192 			 *   The following syntax is expected:
       
  1193 			 *     '<' and '>' - div elements
       
  1194 			 *     '<"class" and '>' - div with a class
       
  1195 			 *   Examples:
       
  1196 			 *     '<"wrapper"flipt>', '<lf<t>ip>'
       
  1197 			 */
       
  1198 			this.sDom = 'lfrtip';
       
  1199 			
       
  1200 			/*
       
  1201 			 * Variable: sPaginationType
       
  1202 			 * Purpose:  Note which type of sorting should be used
       
  1203 			 * Scope:    jQuery.dataTable.classSettings
       
  1204 			 */
       
  1205 			this.sPaginationType = "two_button";
       
  1206 			
       
  1207 			/*
       
  1208 			 * Variable: iCookieDuration
       
  1209 			 * Purpose:  The cookie duration (for bStateSave) in seconds - default 2 hours
       
  1210 			 * Scope:    jQuery.dataTable.classSettings
       
  1211 			 */
       
  1212 			this.iCookieDuration = 60 * 60 * 2;
       
  1213 			
       
  1214 			/*
       
  1215 			 * Variable: sCookiePrefix
       
  1216 			 * Purpose:  The cookie name prefix
       
  1217 			 * Scope:    jQuery.dataTable.classSettings
       
  1218 			 */
       
  1219 			this.sCookiePrefix = "SpryMedia_DataTables_";
       
  1220 			
       
  1221 			/*
       
  1222 			 * Variable: fnCookieCallback
       
  1223 			 * Purpose:  Callback function for cookie creation
       
  1224 			 * Scope:    jQuery.dataTable.classSettings
       
  1225 			 */
       
  1226 			this.fnCookieCallback = null;
       
  1227 			
       
  1228 			/*
       
  1229 			 * Variable: aoStateSave
       
  1230 			 * Purpose:  Array of callback functions for state saving
       
  1231 			 * Scope:    jQuery.dataTable.classSettings
       
  1232 			 * Notes:    Each array element is an object with the following parameters:
       
  1233 			 *   function:fn - function to call. Takes two parameters, oSettings and the JSON string to
       
  1234 			 *     save that has been thus far created. Returns a JSON string to be inserted into a 
       
  1235 			 *     json object (i.e. '"param": [ 0, 1, 2]')
       
  1236 			 *   string:sName - name of callback
       
  1237 			 */
       
  1238 			this.aoStateSave = [];
       
  1239 			
       
  1240 			/*
       
  1241 			 * Variable: aoStateLoad
       
  1242 			 * Purpose:  Array of callback functions for state loading
       
  1243 			 * Scope:    jQuery.dataTable.classSettings
       
  1244 			 * Notes:    Each array element is an object with the following parameters:
       
  1245 			 *   function:fn - function to call. Takes two parameters, oSettings and the object stored.
       
  1246 			 *     May return false to cancel state loading.
       
  1247 			 *   string:sName - name of callback
       
  1248 			 */
       
  1249 			this.aoStateLoad = [];
       
  1250 			
       
  1251 			/*
       
  1252 			 * Variable: oLoadedState
       
  1253 			 * Purpose:  State that was loaded from the cookie. Useful for back reference
       
  1254 			 * Scope:    jQuery.dataTable.classSettings
       
  1255 			 */
       
  1256 			this.oLoadedState = null;
       
  1257 			
       
  1258 			/*
       
  1259 			 * Variable: sAjaxSource
       
  1260 			 * Purpose:  Source url for AJAX data for the table
       
  1261 			 * Scope:    jQuery.dataTable.classSettings
       
  1262 			 */
       
  1263 			this.sAjaxSource = null;
       
  1264 			
       
  1265 			/*
       
  1266 			 * Variable: bAjaxDataGet
       
  1267 			 * Purpose:  Note if draw should be blocked while getting data
       
  1268 			 * Scope:    jQuery.dataTable.classSettings
       
  1269 			 */
       
  1270 			this.bAjaxDataGet = true;
       
  1271 			
       
  1272 			/*
       
  1273 			 * Variable: fnServerData
       
  1274 			 * Purpose:  Function to get the server-side data - can be overruled by the developer
       
  1275 			 * Scope:    jQuery.dataTable.classSettings
       
  1276 			 */
       
  1277 			this.fnServerData = function ( url, data, callback ) {
       
  1278 				$.ajax( {
       
  1279 					"url": url,
       
  1280 					"data": data,
       
  1281 					"success": callback,
       
  1282 					"dataType": "json",
       
  1283 					"cache": false,
       
  1284 					"error": function (xhr, error, thrown) {
       
  1285 						if ( error == "parsererror" ) {
       
  1286 							alert( "DataTables warning: JSON data from server could not be parsed. "+
       
  1287 								"This is caused by a JSON formatting error." );
       
  1288 						}
       
  1289 					}
       
  1290 				} );
       
  1291 			};
       
  1292 			
       
  1293 			/*
       
  1294 			 * Variable: fnFormatNumber
       
  1295 			 * Purpose:  Format numbers for display
       
  1296 			 * Scope:    jQuery.dataTable.classSettings
       
  1297 			 */
       
  1298 			this.fnFormatNumber = function ( iIn )
       
  1299 			{
       
  1300 				if ( iIn < 1000 )
       
  1301 				{
       
  1302 					/* A small optimisation for what is likely to be the vast majority of use cases */
       
  1303 					return iIn;
       
  1304 				}
       
  1305 				else
       
  1306 				{
       
  1307 					var s=(iIn+""), a=s.split(""), out="", iLen=s.length;
       
  1308 					
       
  1309 					for ( var i=0 ; i<iLen ; i++ )
       
  1310 					{
       
  1311 						if ( i%3 === 0 && i !== 0 )
       
  1312 						{
       
  1313 							out = ','+out;
       
  1314 						}
       
  1315 						out = a[iLen-i-1]+out;
       
  1316 					}
       
  1317 				}
       
  1318 				return out;
       
  1319 			};
       
  1320 			
       
  1321 			/*
       
  1322 			 * Variable: aLengthMenu
       
  1323 			 * Purpose:  List of options that can be used for the user selectable length menu
       
  1324 			 * Scope:    jQuery.dataTable.classSettings
       
  1325 			 * Note:     This varaible can take for form of a 1D array, in which case the value and the 
       
  1326 			 *   displayed value in the menu are the same, or a 2D array in which case the value comes
       
  1327 			 *   from the first array, and the displayed value to the end user comes from the second
       
  1328 			 *   array. 2D example: [ [ 10, 25, 50, 100, -1 ], [ 10, 25, 50, 100, 'All' ] ];
       
  1329 			 */
       
  1330 			this.aLengthMenu = [ 10, 25, 50, 100 ];
       
  1331 			
       
  1332 			/*
       
  1333 			 * Variable: iDraw
       
  1334 			 * Purpose:  Counter for the draws that the table does. Also used as a tracker for
       
  1335 			 *   server-side processing
       
  1336 			 * Scope:    jQuery.dataTable.classSettings
       
  1337 			 */
       
  1338 			this.iDraw = 0;
       
  1339 			
       
  1340 			/*
       
  1341 			 * Variable: bDrawing
       
  1342 			 * Purpose:  Indicate if a redraw is being done - useful for Ajax
       
  1343 			 * Scope:    jQuery.dataTable.classSettings
       
  1344 			 */
       
  1345 			this.bDrawing = 0;
       
  1346 			
       
  1347 			/*
       
  1348 			 * Variable: iDrawError
       
  1349 			 * Purpose:  Last draw error
       
  1350 			 * Scope:    jQuery.dataTable.classSettings
       
  1351 			 */
       
  1352 			this.iDrawError = -1;
       
  1353 			
       
  1354 			/*
       
  1355 			 * Variable: _iDisplayLength, _iDisplayStart, _iDisplayEnd
       
  1356 			 * Purpose:  Display length variables
       
  1357 			 * Scope:    jQuery.dataTable.classSettings
       
  1358 			 * Notes:    These variable must NOT be used externally to get the data length. Rather, use
       
  1359 			 *   the fnRecordsTotal() (etc) functions.
       
  1360 			 */
       
  1361 			this._iDisplayLength = 10;
       
  1362 			this._iDisplayStart = 0;
       
  1363 			this._iDisplayEnd = 10;
       
  1364 			
       
  1365 			/*
       
  1366 			 * Variable: _iRecordsTotal, _iRecordsDisplay
       
  1367 			 * Purpose:  Display length variables used for server side processing
       
  1368 			 * Scope:    jQuery.dataTable.classSettings
       
  1369 			 * Notes:    These variable must NOT be used externally to get the data length. Rather, use
       
  1370 			 *   the fnRecordsTotal() (etc) functions.
       
  1371 			 */
       
  1372 			this._iRecordsTotal = 0;
       
  1373 			this._iRecordsDisplay = 0;
       
  1374 			
       
  1375 			/*
       
  1376 			 * Variable: bJUI
       
  1377 			 * Purpose:  Should we add the markup needed for jQuery UI theming?
       
  1378 			 * Scope:    jQuery.dataTable.classSettings
       
  1379 			 */
       
  1380 			this.bJUI = false;
       
  1381 			
       
  1382 			/*
       
  1383 			 * Variable: bJUI
       
  1384 			 * Purpose:  Should we add the markup needed for jQuery UI theming?
       
  1385 			 * Scope:    jQuery.dataTable.classSettings
       
  1386 			 */
       
  1387 			this.oClasses = _oExt.oStdClasses;
       
  1388 			
       
  1389 			/*
       
  1390 			 * Variable: bFiltered and bSorted
       
  1391 			 * Purpose:  Flags to allow callback functions to see what actions have been performed
       
  1392 			 * Scope:    jQuery.dataTable.classSettings
       
  1393 			 */
       
  1394 			this.bFiltered = false;
       
  1395 			this.bSorted = false;
       
  1396 			
       
  1397 			/*
       
  1398 			 * Variable: oInit
       
  1399 			 * Purpose:  Initialisation object that is used for the table
       
  1400 			 * Scope:    jQuery.dataTable.classSettings
       
  1401 			 */
       
  1402 			this.oInit = null;
       
  1403 		}
       
  1404 		
       
  1405 		/*
       
  1406 		 * Variable: oApi
       
  1407 		 * Purpose:  Container for publicly exposed 'private' functions
       
  1408 		 * Scope:    jQuery.dataTable
       
  1409 		 */
       
  1410 		this.oApi = {};
       
  1411 		
       
  1412 		
       
  1413 		/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
       
  1414 		 * Section - API functions
       
  1415 		 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
       
  1416 		
       
  1417 		/*
       
  1418 		 * Function: fnDraw
       
  1419 		 * Purpose:  Redraw the table
       
  1420 		 * Returns:  -
       
  1421 		 * Inputs:   bool:bComplete - Refilter and resort (if enabled) the table before the draw.
       
  1422 		 *             Optional: default - true
       
  1423 		 */
       
  1424 		this.fnDraw = function( bComplete )
       
  1425 		{
       
  1426 			var oSettings = _fnSettingsFromNode( this[_oExt.iApiIndex] );
       
  1427 			if ( typeof bComplete != 'undefined' && bComplete === false )
       
  1428 			{
       
  1429 				_fnCalculateEnd( oSettings );
       
  1430 				_fnDraw( oSettings );
       
  1431 			}
       
  1432 			else
       
  1433 			{
       
  1434 				_fnReDraw( oSettings );
       
  1435 			}
       
  1436 		};
       
  1437 		
       
  1438 		/*
       
  1439 		 * Function: fnFilter
       
  1440 		 * Purpose:  Filter the input based on data
       
  1441 		 * Returns:  -
       
  1442 		 * Inputs:   string:sInput - string to filter the table on
       
  1443 		 *           int:iColumn - optional - column to limit filtering to
       
  1444 		 *           bool:bRegex - optional - treat as regular expression or not - default false
       
  1445 		 *           bool:bSmart - optional - perform smart filtering or not - default true
       
  1446 		 *           bool:bShowGlobal - optional - show the input global filter in it's input box(es)
       
  1447 		 *              - default true
       
  1448 		 */
       
  1449 		this.fnFilter = function( sInput, iColumn, bRegex, bSmart, bShowGlobal )
       
  1450 		{
       
  1451 			var oSettings = _fnSettingsFromNode( this[_oExt.iApiIndex] );
       
  1452 			
       
  1453 			if ( !oSettings.oFeatures.bFilter )
       
  1454 			{
       
  1455 				return;
       
  1456 			}
       
  1457 			
       
  1458 			if ( typeof bRegex == 'undefined' )
       
  1459 			{
       
  1460 				bRegex = false;
       
  1461 			}
       
  1462 			
       
  1463 			if ( typeof bSmart == 'undefined' )
       
  1464 			{
       
  1465 				bSmart = true;
       
  1466 			}
       
  1467 			
       
  1468 			if ( typeof bShowGlobal == 'undefined' )
       
  1469 			{
       
  1470 				bShowGlobal = true;
       
  1471 			}
       
  1472 			
       
  1473 			if ( typeof iColumn == "undefined" || iColumn === null )
       
  1474 			{
       
  1475 				/* Global filter */
       
  1476 				_fnFilterComplete( oSettings, {
       
  1477 					"sSearch":sInput,
       
  1478 					"bRegex": bRegex,
       
  1479 					"bSmart": bSmart
       
  1480 				}, 1 );
       
  1481 				
       
  1482 				if ( bShowGlobal && typeof oSettings.aanFeatures.f != 'undefined' )
       
  1483 				{
       
  1484 					var n = oSettings.aanFeatures.f;
       
  1485 					for ( var i=0, iLen=n.length ; i<iLen ; i++ )
       
  1486 					{
       
  1487 						$('input', n[i]).val( sInput );
       
  1488 					}
       
  1489 				}
       
  1490 			}
       
  1491 			else
       
  1492 			{
       
  1493 				/* Single column filter */
       
  1494 				oSettings.aoPreSearchCols[ iColumn ].sSearch = sInput;
       
  1495 				oSettings.aoPreSearchCols[ iColumn ].bRegex = bRegex;
       
  1496 				oSettings.aoPreSearchCols[ iColumn ].bSmart = bSmart;
       
  1497 				_fnFilterComplete( oSettings, oSettings.oPreviousSearch, 1 );
       
  1498 			}
       
  1499 		};
       
  1500 		
       
  1501 		/*
       
  1502 		 * Function: fnSettings
       
  1503 		 * Purpose:  Get the settings for a particular table for extern. manipulation
       
  1504 		 * Returns:  -
       
  1505 		 * Inputs:   -
       
  1506 		 */
       
  1507 		this.fnSettings = function( nNode  )
       
  1508 		{
       
  1509 			return _fnSettingsFromNode( this[_oExt.iApiIndex] );
       
  1510 		};
       
  1511 		
       
  1512 		/*
       
  1513 		 * Function: fnVersionCheck
       
  1514 		 * Notes:    The function is the same as the 'static' function provided in the ext variable
       
  1515 		 */
       
  1516 		this.fnVersionCheck = _oExt.fnVersionCheck;
       
  1517 		
       
  1518 		/*
       
  1519 		 * Function: fnSort
       
  1520 		 * Purpose:  Sort the table by a particular row
       
  1521 		 * Returns:  -
       
  1522 		 * Inputs:   int:iCol - the data index to sort on. Note that this will
       
  1523 		 *   not match the 'display index' if you have hidden data entries
       
  1524 		 */
       
  1525 		this.fnSort = function( aaSort )
       
  1526 		{
       
  1527 			var oSettings = _fnSettingsFromNode( this[_oExt.iApiIndex] );
       
  1528 			oSettings.aaSorting = aaSort;
       
  1529 			_fnSort( oSettings );
       
  1530 		};
       
  1531 		
       
  1532 		/*
       
  1533 		 * Function: fnSortListener
       
  1534 		 * Purpose:  Attach a sort listener to an element for a given column
       
  1535 		 * Returns:  -
       
  1536 		 * Inputs:   node:nNode - the element to attach the sort listener to
       
  1537 		 *           int:iColumn - the column that a click on this node will sort on
       
  1538 		 *           function:fnCallback - callback function when sort is run - optional
       
  1539 		 */
       
  1540 		this.fnSortListener = function( nNode, iColumn, fnCallback )
       
  1541 		{
       
  1542 			_fnSortAttachListener( _fnSettingsFromNode( this[_oExt.iApiIndex] ), nNode, iColumn,
       
  1543 			 	fnCallback );
       
  1544 		};
       
  1545 		
       
  1546 		/*
       
  1547 		 * Function: fnAddData
       
  1548 		 * Purpose:  Add new row(s) into the table
       
  1549 		 * Returns:  array int: array of indexes (aoData) which have been added (zero length on error)
       
  1550 		 * Inputs:   array:mData - the data to be added. The length must match
       
  1551 		 *               the original data from the DOM
       
  1552 		 *             or
       
  1553 		 *             array array:mData - 2D array of data to be added
       
  1554 		 *           bool:bRedraw - redraw the table or not - default true
       
  1555 		 * Notes:    Warning - the refilter here will cause the table to redraw
       
  1556 		 *             starting at zero
       
  1557 		 * Notes:    Thanks to Yekimov Denis for contributing the basis for this function!
       
  1558 		 */
       
  1559 		this.fnAddData = function( mData, bRedraw )
       
  1560 		{
       
  1561 			if ( mData.length === 0 )
       
  1562 			{
       
  1563 				return [];
       
  1564 			}
       
  1565 			
       
  1566 			var aiReturn = [];
       
  1567 			var iTest;
       
  1568 			
       
  1569 			/* Find settings from table node */
       
  1570 			var oSettings = _fnSettingsFromNode( this[_oExt.iApiIndex] );
       
  1571 			
       
  1572 			/* Check if we want to add multiple rows or not */
       
  1573 			if ( typeof mData[0] == "object" )
       
  1574 			{
       
  1575 				for ( var i=0 ; i<mData.length ; i++ )
       
  1576 				{
       
  1577 					iTest = _fnAddData( oSettings, mData[i] );
       
  1578 					if ( iTest == -1 )
       
  1579 					{
       
  1580 						return aiReturn;
       
  1581 					}
       
  1582 					aiReturn.push( iTest );
       
  1583 				}
       
  1584 			}
       
  1585 			else
       
  1586 			{
       
  1587 				iTest = _fnAddData( oSettings, mData );
       
  1588 				if ( iTest == -1 )
       
  1589 				{
       
  1590 					return aiReturn;
       
  1591 				}
       
  1592 				aiReturn.push( iTest );
       
  1593 			}
       
  1594 			
       
  1595 			oSettings.aiDisplay = oSettings.aiDisplayMaster.slice();
       
  1596 			
       
  1597 			if ( typeof bRedraw == 'undefined' || bRedraw )
       
  1598 			{
       
  1599 				_fnReDraw( oSettings );
       
  1600 			}
       
  1601 			return aiReturn;
       
  1602 		};
       
  1603 		
       
  1604 		/*
       
  1605 		 * Function: fnDeleteRow
       
  1606 		 * Purpose:  Remove a row for the table
       
  1607 		 * Returns:  array:aReturn - the row that was deleted
       
  1608 		 * Inputs:   mixed:mTarget - 
       
  1609 		 *             int: - index of aoData to be deleted, or
       
  1610 		 *             node(TR): - TR element you want to delete
       
  1611 		 *           function:fnCallBack - callback function - default null
       
  1612 		 *           bool:bRedraw - redraw the table or not - default true
       
  1613 		 */
       
  1614 		this.fnDeleteRow = function( mTarget, fnCallBack, bRedraw )
       
  1615 		{
       
  1616 			/* Find settings from table node */
       
  1617 			var oSettings = _fnSettingsFromNode( this[_oExt.iApiIndex] );
       
  1618 			var i, iAODataIndex;
       
  1619 			
       
  1620 			iAODataIndex = (typeof mTarget == 'object') ? 
       
  1621 				_fnNodeToDataIndex(oSettings, mTarget) : mTarget;
       
  1622 			
       
  1623 			/* Return the data array from this row */
       
  1624 			var oData = oSettings.aoData.splice( iAODataIndex, 1 );
       
  1625 			
       
  1626 			/* Remove the target row from the search array */
       
  1627 			var iDisplayIndex = $.inArray( iAODataIndex, oSettings.aiDisplay );
       
  1628 			oSettings.asDataSearch.splice( iDisplayIndex, 1 );
       
  1629 			
       
  1630 			/* Delete from the display arrays */
       
  1631 			_fnDeleteIndex( oSettings.aiDisplayMaster, iAODataIndex );
       
  1632 			_fnDeleteIndex( oSettings.aiDisplay, iAODataIndex );
       
  1633 			
       
  1634 			/* If there is a user callback function - call it */
       
  1635 			if ( typeof fnCallBack == "function" )
       
  1636 			{
       
  1637 				fnCallBack.call( this, oSettings, oData );
       
  1638 			}
       
  1639 			
       
  1640 			/* Check for an 'overflow' they case for dislaying the table */
       
  1641 			if ( oSettings._iDisplayStart >= oSettings.aiDisplay.length )
       
  1642 			{
       
  1643 				oSettings._iDisplayStart -= oSettings._iDisplayLength;
       
  1644 				if ( oSettings._iDisplayStart < 0 )
       
  1645 				{
       
  1646 					oSettings._iDisplayStart = 0;
       
  1647 				}
       
  1648 			}
       
  1649 			
       
  1650 			if ( typeof bRedraw == 'undefined' || bRedraw )
       
  1651 			{
       
  1652 				_fnCalculateEnd( oSettings );
       
  1653 				_fnDraw( oSettings );
       
  1654 			}
       
  1655 			
       
  1656 			return oData;
       
  1657 		};
       
  1658 		
       
  1659 		/*
       
  1660 		 * Function: fnClearTable
       
  1661 		 * Purpose:  Quickly and simply clear a table
       
  1662 		 * Returns:  -
       
  1663 		 * Inputs:   bool:bRedraw - redraw the table or not - default true
       
  1664 		 * Notes:    Thanks to Yekimov Denis for contributing the basis for this function!
       
  1665 		 */
       
  1666 		this.fnClearTable = function( bRedraw )
       
  1667 		{
       
  1668 			/* Find settings from table node */
       
  1669 			var oSettings = _fnSettingsFromNode( this[_oExt.iApiIndex] );
       
  1670 			_fnClearTable( oSettings );
       
  1671 			
       
  1672 			if ( typeof bRedraw == 'undefined' || bRedraw )
       
  1673 			{
       
  1674 				_fnDraw( oSettings );
       
  1675 			}
       
  1676 		};
       
  1677 		
       
  1678 		/*
       
  1679 		 * Function: fnOpen
       
  1680 		 * Purpose:  Open a display row (append a row after the row in question)
       
  1681 		 * Returns:  node:nNewRow - the row opened
       
  1682 		 * Inputs:   node:nTr - the table row to 'open'
       
  1683 		 *           string:sHtml - the HTML to put into the row
       
  1684 		 *           string:sClass - class to give the new TD cell
       
  1685 		 */
       
  1686 		this.fnOpen = function( nTr, sHtml, sClass )
       
  1687 		{
       
  1688 			/* Find settings from table node */
       
  1689 			var oSettings = _fnSettingsFromNode( this[_oExt.iApiIndex] );
       
  1690 			
       
  1691 			/* the old open one if there is one */
       
  1692 			this.fnClose( nTr );
       
  1693 			
       
  1694 			var nNewRow = document.createElement("tr");
       
  1695 			var nNewCell = document.createElement("td");
       
  1696 			nNewRow.appendChild( nNewCell );
       
  1697 			nNewCell.className = sClass;
       
  1698 			nNewCell.colSpan = _fnVisbleColumns( oSettings );
       
  1699 			nNewCell.innerHTML = sHtml;
       
  1700 			
       
  1701 			/* If the nTr isn't on the page at the moment - then we don't insert at the moment */
       
  1702 			var nTrs = $('tr', oSettings.nTBody);
       
  1703 			if ( $.inArray(nTr, nTrs) != -1 )
       
  1704 			{
       
  1705 				$(nNewRow).insertAfter(nTr);
       
  1706 			}
       
  1707 			
       
  1708 			oSettings.aoOpenRows.push( {
       
  1709 				"nTr": nNewRow,
       
  1710 				"nParent": nTr
       
  1711 			} );
       
  1712 			
       
  1713 			return nNewRow;
       
  1714 		};
       
  1715 		
       
  1716 		/*
       
  1717 		 * Function: fnClose
       
  1718 		 * Purpose:  Close a display row
       
  1719 		 * Returns:  int: 0 (success) or 1 (failed)
       
  1720 		 * Inputs:   node:nTr - the table row to 'close'
       
  1721 		 */
       
  1722 		this.fnClose = function( nTr )
       
  1723 		{
       
  1724 			/* Find settings from table node */
       
  1725 			var oSettings = _fnSettingsFromNode( this[_oExt.iApiIndex] );
       
  1726 			
       
  1727 			for ( var i=0 ; i<oSettings.aoOpenRows.length ; i++ )
       
  1728 			{
       
  1729 				if ( oSettings.aoOpenRows[i].nParent == nTr )
       
  1730 				{
       
  1731 					var nTrParent = oSettings.aoOpenRows[i].nTr.parentNode;
       
  1732 					if ( nTrParent )
       
  1733 					{
       
  1734 						/* Remove it if it is currently on display */
       
  1735 						nTrParent.removeChild( oSettings.aoOpenRows[i].nTr );
       
  1736 					}
       
  1737 					oSettings.aoOpenRows.splice( i, 1 );
       
  1738 					return 0;
       
  1739 				}
       
  1740 			}
       
  1741 			return 1;
       
  1742 		};
       
  1743 		
       
  1744 		/*
       
  1745 		 * Function: fnGetData
       
  1746 		 * Purpose:  Return an array with the data which is used to make up the table
       
  1747 		 * Returns:  array array string: 2d data array ([row][column]) or array string: 1d data array
       
  1748 		 *           or
       
  1749 		 *           array string (if iRow specified)
       
  1750 		 * Inputs:   mixed:mRow - optional - if not present, then the full 2D array for the table 
       
  1751 		 *             if given then:
       
  1752 		 *               int: - return 1D array for aoData entry of this index
       
  1753 		 *               node(TR): - return 1D array for this TR element
       
  1754 		 * Inputs:   int:iRow - optional - if present then the array returned will be the data for
       
  1755 		 *             the row with the index 'iRow'
       
  1756 		 */
       
  1757 		this.fnGetData = function( mRow )
       
  1758 		{
       
  1759 			var oSettings = _fnSettingsFromNode( this[_oExt.iApiIndex] );
       
  1760 			
       
  1761 			if ( typeof mRow != 'undefined' )
       
  1762 			{
       
  1763 				var iRow = (typeof mRow == 'object') ? 
       
  1764 					_fnNodeToDataIndex(oSettings, mRow) : mRow;
       
  1765 				return ( (aRowData = oSettings.aoData[iRow]) ? aRowData._aData : null);
       
  1766 			}
       
  1767 			return _fnGetDataMaster( oSettings );
       
  1768 		};
       
  1769 		
       
  1770 		/*
       
  1771 		 * Function: fnGetNodes
       
  1772 		 * Purpose:  Return an array with the TR nodes used for drawing the table
       
  1773 		 * Returns:  array node: TR elements
       
  1774 		 *           or
       
  1775 		 *           node (if iRow specified)
       
  1776 		 * Inputs:   int:iRow - optional - if present then the array returned will be the node for
       
  1777 		 *             the row with the index 'iRow'
       
  1778 		 */
       
  1779 		this.fnGetNodes = function( iRow )
       
  1780 		{
       
  1781 			var oSettings = _fnSettingsFromNode( this[_oExt.iApiIndex] );
       
  1782 			
       
  1783 			if ( typeof iRow != 'undefined' )
       
  1784 			{
       
  1785 				return ( (aRowData = oSettings.aoData[iRow]) ? aRowData.nTr : null );
       
  1786 			}
       
  1787 			return _fnGetTrNodes( oSettings );
       
  1788 		};
       
  1789 		
       
  1790 		/*
       
  1791 		 * Function: fnGetPosition
       
  1792 		 * Purpose:  Get the array indexes of a particular cell from it's DOM element
       
  1793 		 * Returns:  int: - row index, or array[ int, int, int ]: - row index, column index (visible)
       
  1794 		 *             and column index including hidden columns
       
  1795 		 * Inputs:   node:nNode - this can either be a TR or a TD in the table, the return is
       
  1796 		 *             dependent on this input
       
  1797 		 */
       
  1798 		this.fnGetPosition = function( nNode )
       
  1799 		{
       
  1800 			var oSettings = _fnSettingsFromNode( this[_oExt.iApiIndex] );
       
  1801 			var i;
       
  1802 			
       
  1803 			if ( nNode.nodeName.toUpperCase() == "TR" )
       
  1804 			{
       
  1805 				return _fnNodeToDataIndex(oSettings, nNode);
       
  1806 			}
       
  1807 			else if ( nNode.nodeName.toUpperCase() == "TD" )
       
  1808 			{
       
  1809 				var iDataIndex = _fnNodeToDataIndex(oSettings, nNode.parentNode);
       
  1810 				var iCorrector = 0;
       
  1811 				for ( var j=0 ; j<oSettings.aoColumns.length ; j++ )
       
  1812 				{
       
  1813 					if ( oSettings.aoColumns[j].bVisible )
       
  1814 					{
       
  1815 						if ( oSettings.aoData[iDataIndex].nTr.getElementsByTagName('td')[j-iCorrector] == nNode )
       
  1816 						{
       
  1817 							return [ iDataIndex, j-iCorrector, j ];
       
  1818 						}
       
  1819 					}
       
  1820 					else
       
  1821 					{
       
  1822 						iCorrector++;
       
  1823 					}
       
  1824 				}
       
  1825 			}
       
  1826 			return null;
       
  1827 		};
       
  1828 		
       
  1829 		/*
       
  1830 		 * Function: fnUpdate
       
  1831 		 * Purpose:  Update a table cell or row
       
  1832 		 * Returns:  int: 0 okay, 1 error
       
  1833 		 * Inputs:   array string 'or' string:mData - data to update the cell/row with
       
  1834 		 *           mixed:mRow - 
       
  1835 		 *             int: - index of aoData to be updated, or
       
  1836 		 *             node(TR): - TR element you want to update
       
  1837 		 *           int:iColumn - the column to update - optional (not used of mData is 2D)
       
  1838 		 *           bool:bRedraw - redraw the table or not - default true
       
  1839 		 *           bool:bAction - perform predraw actions or not (you will want this as 'true' if
       
  1840 		 *             you have bRedraw as true) - default true
       
  1841 		 */
       
  1842 		this.fnUpdate = function( mData, mRow, iColumn, bRedraw, bAction )
       
  1843 		{
       
  1844 			var oSettings = _fnSettingsFromNode( this[_oExt.iApiIndex] );
       
  1845 			var iVisibleColumn;
       
  1846 			var sDisplay;
       
  1847 			var iRow = (typeof mRow == 'object') ? 
       
  1848 				_fnNodeToDataIndex(oSettings, mRow) : mRow;
       
  1849 			
       
  1850 			if ( typeof mData != 'object' )
       
  1851 			{
       
  1852 				sDisplay = mData;
       
  1853 				oSettings.aoData[iRow]._aData[iColumn] = sDisplay;
       
  1854 				
       
  1855 				if ( oSettings.aoColumns[iColumn].fnRender !== null )
       
  1856 				{
       
  1857 					sDisplay = oSettings.aoColumns[iColumn].fnRender( {
       
  1858 						"iDataRow": iRow,
       
  1859 						"iDataColumn": iColumn,
       
  1860 						"aData": oSettings.aoData[iRow]._aData,
       
  1861 						"oSettings": oSettings
       
  1862 					} );
       
  1863 					
       
  1864 					if ( oSettings.aoColumns[iColumn].bUseRendered )
       
  1865 					{
       
  1866 						oSettings.aoData[iRow]._aData[iColumn] = sDisplay;
       
  1867 					}
       
  1868 				}
       
  1869 				
       
  1870 				iVisibleColumn = _fnColumnIndexToVisible( oSettings, iColumn );
       
  1871 				if ( iVisibleColumn !== null )
       
  1872 				{
       
  1873 					oSettings.aoData[iRow].nTr.getElementsByTagName('td')[iVisibleColumn].innerHTML = 
       
  1874 						sDisplay;
       
  1875 				}
       
  1876 				else
       
  1877 				{
       
  1878 					oSettings.aoData[iRow]._anHidden[iColumn].innerHTML = sDisplay;
       
  1879 				}
       
  1880 			}
       
  1881 			else
       
  1882 			{
       
  1883 				if ( mData.length != oSettings.aoColumns.length )
       
  1884 				{
       
  1885 					_fnLog( oSettings, 0, 'An array passed to fnUpdate must have the same number of '+
       
  1886 						'columns as the table in question - in this case '+oSettings.aoColumns.length );
       
  1887 					return 1;
       
  1888 				}
       
  1889 				
       
  1890 				for ( var i=0 ; i<mData.length ; i++ )
       
  1891 				{
       
  1892 					sDisplay = mData[i];
       
  1893 					oSettings.aoData[iRow]._aData[i] = sDisplay;
       
  1894 					
       
  1895 					if ( oSettings.aoColumns[i].fnRender !== null )
       
  1896 					{
       
  1897 						sDisplay = oSettings.aoColumns[i].fnRender( {
       
  1898 							"iDataRow": iRow,
       
  1899 							"iDataColumn": i,
       
  1900 							"aData": oSettings.aoData[iRow]._aData,
       
  1901 							"oSettings": oSettings
       
  1902 						} );
       
  1903 						
       
  1904 						if ( oSettings.aoColumns[i].bUseRendered )
       
  1905 						{
       
  1906 							oSettings.aoData[iRow]._aData[i] = sDisplay;
       
  1907 						}
       
  1908 					}
       
  1909 					
       
  1910 					iVisibleColumn = _fnColumnIndexToVisible( oSettings, i );
       
  1911 					if ( iVisibleColumn !== null )
       
  1912 					{
       
  1913 						oSettings.aoData[iRow].nTr.getElementsByTagName('td')[iVisibleColumn].innerHTML = 
       
  1914 							sDisplay;
       
  1915 					}
       
  1916 					else
       
  1917 					{
       
  1918 						oSettings.aoData[iRow]._anHidden[i].innerHTML = sDisplay;
       
  1919 					}
       
  1920 				}
       
  1921 			}
       
  1922 			
       
  1923 			/* Modify the search index for this row (strictly this is likely not needed, since fnReDraw
       
  1924 			 * will rebuild the search array - however, the redraw might be disabled by the user)
       
  1925 			 */
       
  1926 			var iDisplayIndex = $.inArray( iRow, oSettings.aiDisplay );
       
  1927 			oSettings.asDataSearch[iDisplayIndex] = _fnBuildSearchRow( oSettings, 
       
  1928 				oSettings.aoData[iRow]._aData );
       
  1929 			
       
  1930 			/* Perform pre-draw actions */
       
  1931 			if ( typeof bAction == 'undefined' || bAction )
       
  1932 			{
       
  1933 				_fnAjustColumnSizing( oSettings );
       
  1934 			}
       
  1935 			
       
  1936 			/* Redraw the table */
       
  1937 			if ( typeof bRedraw == 'undefined' || bRedraw )
       
  1938 			{
       
  1939 				_fnReDraw( oSettings );
       
  1940 			}
       
  1941 			return 0;
       
  1942 		};
       
  1943 		
       
  1944 		
       
  1945 		/*
       
  1946 		 * Function: fnShowColoumn
       
  1947 		 * Purpose:  Show a particular column
       
  1948 		 * Returns:  -
       
  1949 		 * Inputs:   int:iCol - the column whose display should be changed
       
  1950 		 *           bool:bShow - show (true) or hide (false) the column
       
  1951 		 *           bool:bRedraw - redraw the table or not - default true
       
  1952 		 */
       
  1953 		this.fnSetColumnVis = function ( iCol, bShow, bRedraw )
       
  1954 		{
       
  1955 			var oSettings = _fnSettingsFromNode( this[_oExt.iApiIndex] );
       
  1956 			var i, iLen;
       
  1957 			var iColumns = oSettings.aoColumns.length;
       
  1958 			var nTd, anTds, nCell, anTrs, jqChildren;
       
  1959 			
       
  1960 			/* No point in doing anything if we are requesting what is already true */
       
  1961 			if ( oSettings.aoColumns[iCol].bVisible == bShow )
       
  1962 			{
       
  1963 				return;
       
  1964 			}
       
  1965 			
       
  1966 			var nTrHead = $('>tr', oSettings.nTHead)[0];
       
  1967 			var nTrFoot = $('>tr', oSettings.nTFoot)[0];
       
  1968 			var anTheadTh = [];
       
  1969 			var anTfootTh = [];
       
  1970 			for ( i=0 ; i<iColumns ; i++ )
       
  1971 			{
       
  1972 				anTheadTh.push( oSettings.aoColumns[i].nTh );
       
  1973 				anTfootTh.push( oSettings.aoColumns[i].nTf );
       
  1974 			}
       
  1975 			
       
  1976 			/* Show the column */
       
  1977 			if ( bShow )
       
  1978 			{
       
  1979 				var iInsert = 0;
       
  1980 				for ( i=0 ; i<iCol ; i++ )
       
  1981 				{
       
  1982 					if ( oSettings.aoColumns[i].bVisible )
       
  1983 					{
       
  1984 						iInsert++;
       
  1985 					}
       
  1986 				}
       
  1987 				
       
  1988 				/* Need to decide if we should use appendChild or insertBefore */
       
  1989 				if ( iInsert >= _fnVisbleColumns( oSettings ) )
       
  1990 				{
       
  1991 					nTrHead.appendChild( anTheadTh[iCol] );
       
  1992 					anTrs = $('>tr', oSettings.nTHead);
       
  1993 					for ( i=1, iLen=anTrs.length ; i<iLen ; i++ )
       
  1994 					{
       
  1995 						anTrs[i].appendChild( oSettings.aoColumns[iCol].anThExtra[i-1] );
       
  1996 					}	
       
  1997 					
       
  1998 					if ( nTrFoot )
       
  1999 					{
       
  2000 						nTrFoot.appendChild( anTfootTh[iCol] );
       
  2001 						anTrs = $('>tr', oSettings.nTFoot);
       
  2002 						for ( i=1, iLen=anTrs.length ; i<iLen ; i++ )
       
  2003 						{
       
  2004 							anTrs[i].appendChild( oSettings.aoColumns[iCol].anTfExtra[i-1] );
       
  2005 						}	
       
  2006 					}
       
  2007 					
       
  2008 					for ( i=0, iLen=oSettings.aoData.length ; i<iLen ; i++ )
       
  2009 					{
       
  2010 						nTd = oSettings.aoData[i]._anHidden[iCol];
       
  2011 						oSettings.aoData[i].nTr.appendChild( nTd );
       
  2012 					}
       
  2013 				}
       
  2014 				else
       
  2015 				{
       
  2016 					/* Which coloumn should we be inserting before? */
       
  2017 					var iBefore;
       
  2018 					for ( i=iCol ; i<iColumns ; i++ )
       
  2019 					{
       
  2020 						iBefore = _fnColumnIndexToVisible( oSettings, i );
       
  2021 						if ( iBefore !== null )
       
  2022 						{
       
  2023 							break;
       
  2024 						}
       
  2025 					}
       
  2026 					
       
  2027 					nTrHead.insertBefore( anTheadTh[iCol], nTrHead.getElementsByTagName('th')[iBefore] );
       
  2028 					anTrs = $('>tr', oSettings.nTHead);
       
  2029 					for ( i=1, iLen=anTrs.length ; i<iLen ; i++ )
       
  2030 					{
       
  2031 						jqChildren = $(anTrs[i]).children();
       
  2032 						anTrs[i].insertBefore( oSettings.aoColumns[iCol].anThExtra[i-1], jqChildren[iBefore] );
       
  2033 					}	
       
  2034 					
       
  2035 					if ( nTrFoot )
       
  2036 					{
       
  2037 						nTrFoot.insertBefore( anTfootTh[iCol], nTrFoot.getElementsByTagName('th')[iBefore] );
       
  2038 						anTrs = $('>tr', oSettings.nTFoot);
       
  2039 						for ( i=1, iLen=anTrs.length ; i<iLen ; i++ )
       
  2040 						{
       
  2041 							jqChildren = $(anTrs[i]).children();
       
  2042 							anTrs[i].insertBefore( oSettings.aoColumns[iCol].anTfExtra[i-1], jqChildren[iBefore] );
       
  2043 						}	
       
  2044 					}
       
  2045 					
       
  2046 					anTds = _fnGetTdNodes( oSettings );
       
  2047 					for ( i=0, iLen=oSettings.aoData.length ; i<iLen ; i++ )
       
  2048 					{
       
  2049 						nTd = oSettings.aoData[i]._anHidden[iCol];
       
  2050 						oSettings.aoData[i].nTr.insertBefore( nTd, $('>td:eq('+iBefore+')', 
       
  2051 							oSettings.aoData[i].nTr)[0] );
       
  2052 					}
       
  2053 				}
       
  2054 				
       
  2055 				oSettings.aoColumns[iCol].bVisible = true;
       
  2056 			}
       
  2057 			else
       
  2058 			{
       
  2059 				/* Remove a column from display */
       
  2060 				nTrHead.removeChild( anTheadTh[iCol] );
       
  2061 				for ( i=0, iLen=oSettings.aoColumns[iCol].anThExtra.length ; i<iLen ; i++ )
       
  2062 				{
       
  2063 					nCell = oSettings.aoColumns[iCol].anThExtra[i];
       
  2064 					nCell.parentNode.removeChild( nCell );
       
  2065 				}
       
  2066 				
       
  2067 				if ( nTrFoot )
       
  2068 				{
       
  2069 					nTrFoot.removeChild( anTfootTh[iCol] );
       
  2070 					for ( i=0, iLen=oSettings.aoColumns[iCol].anTfExtra.length ; i<iLen ; i++ )
       
  2071 					{
       
  2072 						nCell = oSettings.aoColumns[iCol].anTfExtra[i];
       
  2073 						nCell.parentNode.removeChild( nCell );
       
  2074 					}
       
  2075 				}
       
  2076 				
       
  2077 				anTds = _fnGetTdNodes( oSettings );
       
  2078 				for ( i=0, iLen=oSettings.aoData.length ; i<iLen ; i++ )
       
  2079 				{
       
  2080 					nTd = anTds[ ( i*oSettings.aoColumns.length) + (iCol*1) ];
       
  2081 					oSettings.aoData[i]._anHidden[iCol] = nTd;
       
  2082 					nTd.parentNode.removeChild( nTd );
       
  2083 				}
       
  2084 				
       
  2085 				oSettings.aoColumns[iCol].bVisible = false;
       
  2086 			}
       
  2087 			
       
  2088 			/* If there are any 'open' rows, then we need to alter the colspan for this col change */
       
  2089 			for ( i=0, iLen=oSettings.aoOpenRows.length ; i<iLen ; i++ )
       
  2090 			{
       
  2091 				oSettings.aoOpenRows[i].nTr.colSpan = _fnVisbleColumns( oSettings );
       
  2092 			}
       
  2093 			
       
  2094 			/* Do a redraw incase anything depending on the table columns needs it 
       
  2095 			 * (built-in: scrolling) 
       
  2096 			 */
       
  2097 			if ( typeof bRedraw == 'undefined' || bRedraw )
       
  2098 			{
       
  2099 				_fnAjustColumnSizing( oSettings );
       
  2100 				_fnDraw( oSettings );
       
  2101 			}
       
  2102 			
       
  2103 			_fnSaveState( oSettings );
       
  2104 		};
       
  2105 		
       
  2106 		/*
       
  2107 		 * Function: fnPageChange
       
  2108 		 * Purpose:  Change the pagination
       
  2109 		 * Returns:  -
       
  2110 		 * Inputs:   string:sAction - paging action to take: "first", "previous", "next" or "last"
       
  2111 		 *           bool:bRedraw - redraw the table or not - optional - default true
       
  2112 		 */
       
  2113 		this.fnPageChange = function ( sAction, bRedraw )
       
  2114 		{
       
  2115 			var oSettings = _fnSettingsFromNode( this[_oExt.iApiIndex] );
       
  2116 			_fnPageChange( oSettings, sAction );
       
  2117 			_fnCalculateEnd( oSettings );
       
  2118 			
       
  2119 			if ( typeof bRedraw == 'undefined' || bRedraw )
       
  2120 			{
       
  2121 				_fnDraw( oSettings );
       
  2122 			}
       
  2123 		};
       
  2124 		
       
  2125 		/*
       
  2126 		 * Function: fnDestroy
       
  2127 		 * Purpose:  Destructor for the DataTable
       
  2128 		 * Returns:  -
       
  2129 		 * Inputs:   -
       
  2130 		 */
       
  2131 		this.fnDestroy = function ( )
       
  2132 		{
       
  2133 			var oSettings = _fnSettingsFromNode( this[_oExt.iApiIndex] );
       
  2134 			var nOrig = oSettings.nTableWrapper.parentNode;
       
  2135 			var nBody = oSettings.nTBody;
       
  2136 			var i, iLen;
       
  2137 			
       
  2138 			/* Flag to note that the table is currently being destoryed - no action should be taken */
       
  2139 			oSettings.bDestroying = true;
       
  2140 			
       
  2141 			/* Blitz all DT events */
       
  2142 			$(oSettings.nTableWrapper).find('*').andSelf().unbind('.DT');
       
  2143 			
       
  2144 			/* Restore hidden columns */
       
  2145 			for ( i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
       
  2146 			{
       
  2147 				if ( oSettings.aoColumns[i].bVisible === false )
       
  2148 				{
       
  2149 					this.fnSetColumnVis( i, true );
       
  2150 				}
       
  2151 			}
       
  2152 			
       
  2153 			/* If there is an 'empty' indicator row, remove it */
       
  2154 			$('tbody>tr>td.'+oSettings.oClasses.sRowEmpty, oSettings.nTable).parent().remove();
       
  2155 			
       
  2156 			/* When scrolling we had to break the table up - restore it */
       
  2157 			if ( oSettings.nTable != oSettings.nTHead.parentNode )
       
  2158 			{
       
  2159 				$('>thead', oSettings.nTable).remove();
       
  2160 				oSettings.nTable.appendChild( oSettings.nTHead );
       
  2161 			}
       
  2162 			
       
  2163 			if ( oSettings.nTFoot && oSettings.nTable != oSettings.nTFoot.parentNode )
       
  2164 			{
       
  2165 				$('>tfoot', oSettings.nTable).remove();
       
  2166 				oSettings.nTable.appendChild( oSettings.nTFoot );
       
  2167 			}
       
  2168 			
       
  2169 			/* Remove the DataTables generated nodes, events and classes */
       
  2170 			oSettings.nTable.parentNode.removeChild( oSettings.nTable );
       
  2171 			$(oSettings.nTableWrapper).remove();
       
  2172 			
       
  2173 			oSettings.aaSorting = [];
       
  2174 			oSettings.aaSortingFixed = [];
       
  2175 			_fnSortingClasses( oSettings );
       
  2176 			
       
  2177 			$(_fnGetTrNodes( oSettings )).removeClass( oSettings.asStripClasses.join(' ') );
       
  2178 			
       
  2179 			if ( !oSettings.bJUI )
       
  2180 			{
       
  2181 				$('th', oSettings.nTHead).removeClass( [ _oExt.oStdClasses.sSortable,
       
  2182 					_oExt.oStdClasses.sSortableAsc,
       
  2183 					_oExt.oStdClasses.sSortableDesc,
       
  2184 					_oExt.oStdClasses.sSortableNone ].join(' ')
       
  2185 				);
       
  2186 			}
       
  2187 			else
       
  2188 			{
       
  2189 				$('th', oSettings.nTHead).removeClass( [ _oExt.oStdClasses.sSortable,
       
  2190 					_oExt.oJUIClasses.sSortableAsc,
       
  2191 					_oExt.oJUIClasses.sSortableDesc,
       
  2192 					_oExt.oJUIClasses.sSortableNone ].join(' ')
       
  2193 				);
       
  2194 				$('th span', oSettings.nTHead).remove();
       
  2195 			}
       
  2196 			
       
  2197 			/* Add the TR elements back into the table in their original order */
       
  2198 			nOrig.appendChild( oSettings.nTable );
       
  2199 			for ( i=0, iLen=oSettings.aoData.length ; i<iLen ; i++ )
       
  2200 			{
       
  2201 				nBody.appendChild( oSettings.aoData[i].nTr );
       
  2202 			}
       
  2203 			
       
  2204 			/* Restore the width of the original table */
       
  2205 			oSettings.nTable.style.width = _fnStringToCss(oSettings.sDestroyWidth);
       
  2206 			
       
  2207 			/* If the were originally odd/even type classes - then we add them back here. Note
       
  2208 			 * this is not fool proof (for example if not all rows as odd/even classes - but 
       
  2209 			 * it's a good effort without getting carried away
       
  2210 			 */
       
  2211 			$('>tr:even', nBody).addClass( oSettings.asDestoryStrips[0] );
       
  2212 			$('>tr:odd', nBody).addClass( oSettings.asDestoryStrips[1] );
       
  2213 			
       
  2214 			/* Remove the settings object from the settings array */
       
  2215 			for ( i=0, iLen=_aoSettings.length ; i<iLen ; i++ )
       
  2216 			{
       
  2217 				if ( _aoSettings[i] == oSettings )
       
  2218 				{
       
  2219 					_aoSettings.splice( i, 1 );
       
  2220 				}
       
  2221 			}
       
  2222 			
       
  2223 			/* End it all */
       
  2224 			oSettings = null;
       
  2225 		};
       
  2226 		
       
  2227 		/*
       
  2228 		 * Function: fnAjustColumnSizing
       
  2229 		 * Purpose:  Update tale sizing based on content. This would most likely be used for scrolling
       
  2230 		 *   and will typically need a redraw after it.
       
  2231 		 * Returns:  -
       
  2232 		 * Inputs:   bool:bRedraw - redraw the table or not, you will typically want to - default true
       
  2233 		 */
       
  2234 		this.fnAdjustColumnSizing = function ( bRedraw )
       
  2235 		{
       
  2236 			var oSettings = _fnSettingsFromNode(this[_oExt.iApiIndex]);
       
  2237 			_fnAjustColumnSizing( oSettings );
       
  2238 			
       
  2239 			if ( typeof bRedraw == 'undefined' || bRedraw )
       
  2240 			{
       
  2241 				this.fnDraw( false );
       
  2242 			}
       
  2243 			else if ( oSettings.oScroll.sX !== "" || oSettings.oScroll.sY !== "" )
       
  2244 			{
       
  2245 				/* If not redrawing, but scrolling, we want to apply the new column sizes anyway */
       
  2246 				this.oApi._fnScrollDraw(oSettings);
       
  2247 			}
       
  2248 		};
       
  2249 		
       
  2250 		/*
       
  2251 		 * Plugin API functions
       
  2252 		 * 
       
  2253 		 * This call will add the functions which are defined in _oExt.oApi to the
       
  2254 		 * DataTables object, providing a rather nice way to allow plug-in API functions. Note that
       
  2255 		 * this is done here, so that API function can actually override the built in API functions if
       
  2256 		 * required for a particular purpose.
       
  2257 		 */
       
  2258 		
       
  2259 		/*
       
  2260 		 * Function: _fnExternApiFunc
       
  2261 		 * Purpose:  Create a wrapper function for exporting an internal func to an external API func
       
  2262 		 * Returns:  function: - wrapped function
       
  2263 		 * Inputs:   string:sFunc - API function name
       
  2264 		 */
       
  2265 		function _fnExternApiFunc (sFunc)
       
  2266 		{
       
  2267 			return function() {
       
  2268 					var aArgs = [_fnSettingsFromNode(this[_oExt.iApiIndex])].concat( 
       
  2269 						Array.prototype.slice.call(arguments) );
       
  2270 					return _oExt.oApi[sFunc].apply( this, aArgs );
       
  2271 				};
       
  2272 		}
       
  2273 		
       
  2274 		for ( var sFunc in _oExt.oApi )
       
  2275 		{
       
  2276 			if ( sFunc )
       
  2277 			{
       
  2278 				/*
       
  2279 				 * Function: anon
       
  2280 				 * Purpose:  Wrap the plug-in API functions in order to provide the settings as 1st arg 
       
  2281 				 *   and execute in this scope
       
  2282 				 * Returns:  -
       
  2283 				 * Inputs:   -
       
  2284 				 */
       
  2285 				this[sFunc] = _fnExternApiFunc(sFunc);
       
  2286 			}
       
  2287 		}
       
  2288 		
       
  2289 		
       
  2290 		
       
  2291 		/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
       
  2292 		 * Section - Local functions
       
  2293 		 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
       
  2294 		
       
  2295 		/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
       
  2296 		 * Section - Initalisation
       
  2297 		 */
       
  2298 		
       
  2299 		/*
       
  2300 		 * Function: _fnInitalise
       
  2301 		 * Purpose:  Draw the table for the first time, adding all required features
       
  2302 		 * Returns:  -
       
  2303 		 * Inputs:   object:oSettings - dataTables settings object
       
  2304 		 */
       
  2305 		function _fnInitalise ( oSettings )
       
  2306 		{
       
  2307 			var i, iLen;
       
  2308 			
       
  2309 			/* Ensure that the table data is fully initialised */
       
  2310 			if ( oSettings.bInitialised === false )
       
  2311 			{
       
  2312 				setTimeout( function(){ _fnInitalise( oSettings ); }, 200 );
       
  2313 				return;
       
  2314 			}
       
  2315 			
       
  2316 			/* Show the display HTML options */
       
  2317 			_fnAddOptionsHtml( oSettings );
       
  2318 			
       
  2319 			/* Draw the headers for the table */
       
  2320 			_fnDrawHead( oSettings );
       
  2321 			
       
  2322 			/* Okay to show that something is going on now */
       
  2323 			_fnProcessingDisplay( oSettings, true );
       
  2324 			
       
  2325 			/* Calculate sizes for columns */
       
  2326 			if ( oSettings.oFeatures.bAutoWidth )
       
  2327 			{
       
  2328 				_fnCalculateColumnWidths( oSettings );
       
  2329 			}
       
  2330 			
       
  2331 			for ( i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
       
  2332 			{
       
  2333 				if ( oSettings.aoColumns[i].sWidth !== null )
       
  2334 				{
       
  2335 					oSettings.aoColumns[i].nTh.style.width = _fnStringToCss( oSettings.aoColumns[i].sWidth );
       
  2336 				}
       
  2337 			}
       
  2338 			
       
  2339 			/* If there is default sorting required - let's do it. The sort function will do the
       
  2340 			 * drawing for us. Otherwise we draw the table regardless of the Ajax source - this allows
       
  2341 			 * the table to look initialised for Ajax sourcing data (show 'loading' message possibly)
       
  2342 			 */
       
  2343 			if ( oSettings.oFeatures.bSort )
       
  2344 			{
       
  2345 				_fnSort( oSettings );
       
  2346 			}
       
  2347 			else
       
  2348 			{
       
  2349 				oSettings.aiDisplay = oSettings.aiDisplayMaster.slice();
       
  2350 				_fnCalculateEnd( oSettings );
       
  2351 				_fnDraw( oSettings );
       
  2352 			}
       
  2353 			
       
  2354 			/* if there is an ajax source load the data */
       
  2355 			if ( oSettings.sAjaxSource !== null && !oSettings.oFeatures.bServerSide )
       
  2356 			{
       
  2357 				oSettings.fnServerData.call( oSettings.oInstance, oSettings.sAjaxSource, [], function(json) {
       
  2358 					/* Got the data - add it to the table */
       
  2359 					for ( i=0 ; i<json.aaData.length ; i++ )
       
  2360 					{
       
  2361 						_fnAddData( oSettings, json.aaData[i] );
       
  2362 					}
       
  2363 					
       
  2364 					/* Reset the init display for cookie saving. We've already done a filter, and
       
  2365 					 * therefore cleared it before. So we need to make it appear 'fresh'
       
  2366 					 */
       
  2367 					oSettings.iInitDisplayStart = oSettings._iDisplayStart;
       
  2368 					
       
  2369 					if ( oSettings.oFeatures.bSort )
       
  2370 					{
       
  2371 						_fnSort( oSettings );
       
  2372 					}
       
  2373 					else
       
  2374 					{
       
  2375 						oSettings.aiDisplay = oSettings.aiDisplayMaster.slice();
       
  2376 						_fnCalculateEnd( oSettings );
       
  2377 						_fnDraw( oSettings );
       
  2378 					}
       
  2379 					
       
  2380 					_fnProcessingDisplay( oSettings, false );
       
  2381 					_fnInitComplete( oSettings, json );
       
  2382 				} );
       
  2383 				return;
       
  2384 			}
       
  2385 			
       
  2386 			/* Server-side processing initialisation complete is done at the end of _fnDraw */
       
  2387 			if ( !oSettings.oFeatures.bServerSide )
       
  2388 			{
       
  2389 				_fnProcessingDisplay( oSettings, false );
       
  2390 				_fnInitComplete( oSettings );
       
  2391 			}
       
  2392 		}
       
  2393 		
       
  2394 		/*
       
  2395 		 * Function: _fnInitalise
       
  2396 		 * Purpose:  Draw the table for the first time, adding all required features
       
  2397 		 * Returns:  -
       
  2398 		 * Inputs:   object:oSettings - dataTables settings object
       
  2399 		 */
       
  2400 		function _fnInitComplete ( oSettings, json )
       
  2401 		{
       
  2402 			oSettings._bInitComplete = true;
       
  2403 			if ( typeof oSettings.fnInitComplete == 'function' )
       
  2404 			{
       
  2405 				if ( typeof json != 'undefined' )
       
  2406 				{
       
  2407 					oSettings.fnInitComplete.call( oSettings.oInstance, oSettings, json );
       
  2408 				}
       
  2409 				else
       
  2410 				{
       
  2411 					oSettings.fnInitComplete.call( oSettings.oInstance, oSettings );
       
  2412 				}
       
  2413 			}
       
  2414 		}
       
  2415 		
       
  2416 		/*
       
  2417 		 * Function: _fnLanguageProcess
       
  2418 		 * Purpose:  Copy language variables from remote object to a local one
       
  2419 		 * Returns:  -
       
  2420 		 * Inputs:   object:oSettings - dataTables settings object
       
  2421 		 *           object:oLanguage - Language information
       
  2422 		 *           bool:bInit - init once complete
       
  2423 		 */
       
  2424 		function _fnLanguageProcess( oSettings, oLanguage, bInit )
       
  2425 		{
       
  2426 			_fnMap( oSettings.oLanguage, oLanguage, 'sProcessing' );
       
  2427 			_fnMap( oSettings.oLanguage, oLanguage, 'sLengthMenu' );
       
  2428 			_fnMap( oSettings.oLanguage, oLanguage, 'sEmptyTable' );
       
  2429 			_fnMap( oSettings.oLanguage, oLanguage, 'sZeroRecords' );
       
  2430 			_fnMap( oSettings.oLanguage, oLanguage, 'sInfo' );
       
  2431 			_fnMap( oSettings.oLanguage, oLanguage, 'sInfoEmpty' );
       
  2432 			_fnMap( oSettings.oLanguage, oLanguage, 'sInfoFiltered' );
       
  2433 			_fnMap( oSettings.oLanguage, oLanguage, 'sInfoPostFix' );
       
  2434 			_fnMap( oSettings.oLanguage, oLanguage, 'sSearch' );
       
  2435 			
       
  2436 			if ( typeof oLanguage.oPaginate != 'undefined' )
       
  2437 			{
       
  2438 				_fnMap( oSettings.oLanguage.oPaginate, oLanguage.oPaginate, 'sFirst' );
       
  2439 				_fnMap( oSettings.oLanguage.oPaginate, oLanguage.oPaginate, 'sPrevious' );
       
  2440 				_fnMap( oSettings.oLanguage.oPaginate, oLanguage.oPaginate, 'sNext' );
       
  2441 				_fnMap( oSettings.oLanguage.oPaginate, oLanguage.oPaginate, 'sLast' );
       
  2442 			}
       
  2443 			
       
  2444 			/* Backwards compatibility - if there is no sEmptyTable given, then use the same as
       
  2445 			 * sZeroRecords - assuming that is given.
       
  2446 			 */
       
  2447 			if ( typeof oLanguage.sEmptyTable == 'undefined' && 
       
  2448 			     typeof oLanguage.sZeroRecords != 'undefined' )
       
  2449 			{
       
  2450 				_fnMap( oSettings.oLanguage, oLanguage, 'sZeroRecords', 'sEmptyTable' );
       
  2451 			}
       
  2452 			
       
  2453 			if ( bInit )
       
  2454 			{
       
  2455 				_fnInitalise( oSettings );
       
  2456 			}
       
  2457 		}
       
  2458 		
       
  2459 		/*
       
  2460 		 * Function: _fnAddColumn
       
  2461 		 * Purpose:  Add a column to the list used for the table with default values
       
  2462 		 * Returns:  -
       
  2463 		 * Inputs:   object:oSettings - dataTables settings object
       
  2464 		 *           node:nTh - the th element for this column
       
  2465 		 */
       
  2466 		function _fnAddColumn( oSettings, nTh )
       
  2467 		{
       
  2468 			oSettings.aoColumns[ oSettings.aoColumns.length++ ] = {
       
  2469 				"sType": null,
       
  2470 				"_bAutoType": true,
       
  2471 				"bVisible": true,
       
  2472 				"bSearchable": true,
       
  2473 				"bSortable": true,
       
  2474 				"asSorting": [ 'asc', 'desc' ],
       
  2475 				"sSortingClass": oSettings.oClasses.sSortable,
       
  2476 				"sSortingClassJUI": oSettings.oClasses.sSortJUI,
       
  2477 				"sTitle": nTh ? nTh.innerHTML : '',
       
  2478 				"sName": '',
       
  2479 				"sWidth": null,
       
  2480 				"sWidthOrig": null,
       
  2481 				"sClass": null,
       
  2482 				"fnRender": null,
       
  2483 				"bUseRendered": true,
       
  2484 				"iDataSort": oSettings.aoColumns.length-1,
       
  2485 				"sSortDataType": 'std',
       
  2486 				"nTh": nTh ? nTh : document.createElement('th'),
       
  2487 				"nTf": null,
       
  2488 				"anThExtra": [],
       
  2489 				"anTfExtra": []
       
  2490 			};
       
  2491 			
       
  2492 			var iCol = oSettings.aoColumns.length-1;
       
  2493 			var oCol = oSettings.aoColumns[ iCol ];
       
  2494 			
       
  2495 			/* Add a column specific filter */
       
  2496 			if ( typeof oSettings.aoPreSearchCols[ iCol ] == 'undefined' ||
       
  2497 			     oSettings.aoPreSearchCols[ iCol ] === null )
       
  2498 			{
       
  2499 				oSettings.aoPreSearchCols[ iCol ] = {
       
  2500 					"sSearch": "",
       
  2501 					"bRegex": false,
       
  2502 					"bSmart": true
       
  2503 				};
       
  2504 			}
       
  2505 			else
       
  2506 			{
       
  2507 				/* Don't require that the user must specify bRegex and / or bSmart */
       
  2508 				if ( typeof oSettings.aoPreSearchCols[ iCol ].bRegex == 'undefined' )
       
  2509 				{
       
  2510 					oSettings.aoPreSearchCols[ iCol ].bRegex = true;
       
  2511 				}
       
  2512 				
       
  2513 				if ( typeof oSettings.aoPreSearchCols[ iCol ].bSmart == 'undefined' )
       
  2514 				{
       
  2515 					oSettings.aoPreSearchCols[ iCol ].bSmart = true;
       
  2516 				}
       
  2517 			} 
       
  2518 			
       
  2519 			/* Use the column options function to initialise classes etc */
       
  2520 			_fnColumnOptions( oSettings, iCol, null );
       
  2521 		}
       
  2522 		
       
  2523 		/*
       
  2524 		 * Function: _fnColumnOptions
       
  2525 		 * Purpose:  Apply options for a column
       
  2526 		 * Returns:  -
       
  2527 		 * Inputs:   object:oSettings - dataTables settings object
       
  2528 		 *           int:iCol - column index to consider
       
  2529 		 *           object:oOptions - object with sType, bVisible and bSearchable
       
  2530 		 */
       
  2531 		function _fnColumnOptions( oSettings, iCol, oOptions )
       
  2532 		{
       
  2533 			var oCol = oSettings.aoColumns[ iCol ];
       
  2534 			
       
  2535 			/* User specified column options */
       
  2536 			if ( typeof oOptions != 'undefined' && oOptions !== null )
       
  2537 			{
       
  2538 				if ( typeof oOptions.sType != 'undefined' )
       
  2539 				{
       
  2540 					oCol.sType = oOptions.sType;
       
  2541 					oCol._bAutoType = false;
       
  2542 				}
       
  2543 				
       
  2544 				_fnMap( oCol, oOptions, "bVisible" );
       
  2545 				_fnMap( oCol, oOptions, "bSearchable" );
       
  2546 				_fnMap( oCol, oOptions, "bSortable" );
       
  2547 				_fnMap( oCol, oOptions, "sTitle" );
       
  2548 				_fnMap( oCol, oOptions, "sName" );
       
  2549 				_fnMap( oCol, oOptions, "sWidth" );
       
  2550 				_fnMap( oCol, oOptions, "sWidth", "sWidthOrig" );
       
  2551 				_fnMap( oCol, oOptions, "sClass" );
       
  2552 				_fnMap( oCol, oOptions, "fnRender" );
       
  2553 				_fnMap( oCol, oOptions, "bUseRendered" );
       
  2554 				_fnMap( oCol, oOptions, "iDataSort" );
       
  2555 				_fnMap( oCol, oOptions, "asSorting" );
       
  2556 				_fnMap( oCol, oOptions, "sSortDataType" );
       
  2557 			}
       
  2558 			
       
  2559 			/* Feature sorting overrides column specific when off */
       
  2560 			if ( !oSettings.oFeatures.bSort )
       
  2561 			{
       
  2562 				oCol.bSortable = false;
       
  2563 			}
       
  2564 			
       
  2565 			/* Check that the class assignment is correct for sorting */
       
  2566 			if ( !oCol.bSortable ||
       
  2567 					 ($.inArray('asc', oCol.asSorting) == -1 && $.inArray('desc', oCol.asSorting) == -1) )
       
  2568 			{
       
  2569 				oCol.sSortingClass = oSettings.oClasses.sSortableNone;
       
  2570 				oCol.sSortingClassJUI = "";
       
  2571 			}
       
  2572 			else if ( $.inArray('asc', oCol.asSorting) != -1 && $.inArray('desc', oCol.asSorting) == -1 )
       
  2573 			{
       
  2574 				oCol.sSortingClass = oSettings.oClasses.sSortableAsc;
       
  2575 				oCol.sSortingClassJUI = oSettings.oClasses.sSortJUIAscAllowed;
       
  2576 			}
       
  2577 			else if ( $.inArray('asc', oCol.asSorting) == -1 && $.inArray('desc', oCol.asSorting) != -1 )
       
  2578 			{
       
  2579 				oCol.sSortingClass = oSettings.oClasses.sSortableDesc;
       
  2580 				oCol.sSortingClassJUI = oSettings.oClasses.sSortJUIDescAllowed;
       
  2581 			}
       
  2582 		}
       
  2583 		
       
  2584 		/*
       
  2585 		 * Function: _fnAddData
       
  2586 		 * Purpose:  Add a data array to the table, creating DOM node etc
       
  2587 		 * Returns:  int: - >=0 if successful (index of new aoData entry), -1 if failed
       
  2588 		 * Inputs:   object:oSettings - dataTables settings object
       
  2589 		 *           array:aData - data array to be added
       
  2590 		 * Notes:    There are two basic methods for DataTables to get data to display - a JS array
       
  2591 		 *   (which is dealt with by this function), and the DOM, which has it's own optimised
       
  2592 		 *   function (_fnGatherData). Be careful to make the same changes here as there and vice-versa
       
  2593 		 */
       
  2594 		function _fnAddData ( oSettings, aDataSupplied )
       
  2595 		{
       
  2596 			/* Sanity check the length of the new array */
       
  2597 			if ( aDataSupplied.length != oSettings.aoColumns.length &&
       
  2598 				oSettings.iDrawError != oSettings.iDraw )
       
  2599 			{
       
  2600 				_fnLog( oSettings, 0, "Added data (size "+aDataSupplied.length+") does not match known "+
       
  2601 					"number of columns ("+oSettings.aoColumns.length+")" );
       
  2602 				oSettings.iDrawError = oSettings.iDraw;
       
  2603 				return -1;
       
  2604 			}
       
  2605 			
       
  2606 			
       
  2607 			/* Create the object for storing information about this new row */
       
  2608 			var aData = aDataSupplied.slice();
       
  2609 			var iThisIndex = oSettings.aoData.length;
       
  2610 			oSettings.aoData.push( {
       
  2611 				"nTr": document.createElement('tr'),
       
  2612 				"_iId": oSettings.iNextId++,
       
  2613 				"_aData": aData,
       
  2614 				"_anHidden": [],
       
  2615 				"_sRowStripe": ''
       
  2616 			} );
       
  2617 			
       
  2618 			/* Create the cells */
       
  2619 			var nTd, sThisType;
       
  2620 			for ( var i=0 ; i<aData.length ; i++ )
       
  2621 			{
       
  2622 				nTd = document.createElement('td');
       
  2623 				
       
  2624 				/* Allow null data (from a data array) - simply deal with it as a blank string */
       
  2625 				if ( aData[i] === null )
       
  2626 				{
       
  2627 					aData[i] = '';
       
  2628 				}
       
  2629 				
       
  2630 				if ( typeof oSettings.aoColumns[i].fnRender == 'function' )
       
  2631 				{
       
  2632 					var sRendered = oSettings.aoColumns[i].fnRender( {
       
  2633 							"iDataRow": iThisIndex,
       
  2634 							"iDataColumn": i,
       
  2635 							"aData": aData,
       
  2636 							"oSettings": oSettings
       
  2637 						} );
       
  2638 					nTd.innerHTML = sRendered;
       
  2639 					if ( oSettings.aoColumns[i].bUseRendered )
       
  2640 					{
       
  2641 						/* Use the rendered data for filtering/sorting */
       
  2642 						oSettings.aoData[iThisIndex]._aData[i] = sRendered;
       
  2643 					}
       
  2644 				}
       
  2645 				else
       
  2646 				{
       
  2647 					nTd.innerHTML = aData[i];
       
  2648 				}
       
  2649 				
       
  2650 				/* Cast everything as a string - so we can treat everything equally when sorting */
       
  2651 				if ( typeof aData[i] != 'string' )
       
  2652 				{
       
  2653 					aData[i] += "";
       
  2654 				}
       
  2655 				aData[i] = $.trim(aData[i]);
       
  2656 				
       
  2657 				/* Add user defined class */
       
  2658 				if ( oSettings.aoColumns[i].sClass !== null )
       
  2659 				{
       
  2660 					nTd.className = oSettings.aoColumns[i].sClass;
       
  2661 				}
       
  2662 				
       
  2663 				/* See if we should auto-detect the column type */
       
  2664 				if ( oSettings.aoColumns[i]._bAutoType && oSettings.aoColumns[i].sType != 'string' )
       
  2665 				{
       
  2666 					/* Attempt to auto detect the type - same as _fnGatherData() */
       
  2667 					sThisType = _fnDetectType( oSettings.aoData[iThisIndex]._aData[i] );
       
  2668 					if ( oSettings.aoColumns[i].sType === null )
       
  2669 					{
       
  2670 						oSettings.aoColumns[i].sType = sThisType;
       
  2671 					}
       
  2672 					else if ( oSettings.aoColumns[i].sType != sThisType )
       
  2673 					{
       
  2674 						/* String is always the 'fallback' option */
       
  2675 						oSettings.aoColumns[i].sType = 'string';
       
  2676 					}
       
  2677 				}
       
  2678 					
       
  2679 				if ( oSettings.aoColumns[i].bVisible )
       
  2680 				{
       
  2681 					oSettings.aoData[iThisIndex].nTr.appendChild( nTd );
       
  2682 					oSettings.aoData[iThisIndex]._anHidden[i] = null;
       
  2683 				}
       
  2684 				else
       
  2685 				{
       
  2686 					oSettings.aoData[iThisIndex]._anHidden[i] = nTd;
       
  2687 				}
       
  2688 			}
       
  2689 			
       
  2690 			/* Add to the display array */
       
  2691 			oSettings.aiDisplayMaster.push( iThisIndex );
       
  2692 			return iThisIndex;
       
  2693 		}
       
  2694 		
       
  2695 		/*
       
  2696 		 * Function: _fnGatherData
       
  2697 		 * Purpose:  Read in the data from the target table from the DOM
       
  2698 		 * Returns:  -
       
  2699 		 * Inputs:   object:oSettings - dataTables settings object
       
  2700 		 * Notes:    This is a optimised version of _fnAddData (more or less) for reading information
       
  2701 		 *   from the DOM. The basic actions must be identical in the two functions.
       
  2702 		 */
       
  2703 		function _fnGatherData( oSettings )
       
  2704 		{
       
  2705 			var iLoop, i, iLen, j, jLen, jInner,
       
  2706 			 	nTds, nTrs, nTd, aLocalData, iThisIndex,
       
  2707 				iRow, iRows, iColumn, iColumns;
       
  2708 			
       
  2709 			/*
       
  2710 			 * Process by row first
       
  2711 			 * Add the data object for the whole table - storing the tr node. Note - no point in getting
       
  2712 			 * DOM based data if we are going to go and replace it with Ajax source data.
       
  2713 			 */
       
  2714 			if ( oSettings.sAjaxSource === null )
       
  2715 			{
       
  2716 				nTrs = oSettings.nTBody.childNodes;
       
  2717 				for ( i=0, iLen=nTrs.length ; i<iLen ; i++ )
       
  2718 				{
       
  2719 					if ( nTrs[i].nodeName.toUpperCase() == "TR" )
       
  2720 					{
       
  2721 						iThisIndex = oSettings.aoData.length;
       
  2722 						oSettings.aoData.push( {
       
  2723 							"nTr": nTrs[i],
       
  2724 							"_iId": oSettings.iNextId++,
       
  2725 							"_aData": [],
       
  2726 							"_anHidden": [],
       
  2727 							"_sRowStripe": ''
       
  2728 						} );
       
  2729 						
       
  2730 						oSettings.aiDisplayMaster.push( iThisIndex );
       
  2731 						
       
  2732 						aLocalData = oSettings.aoData[iThisIndex]._aData;
       
  2733 						nTds = nTrs[i].childNodes;
       
  2734 						jInner = 0;
       
  2735 						
       
  2736 						for ( j=0, jLen=nTds.length ; j<jLen ; j++ )
       
  2737 						{
       
  2738 							if ( nTds[j].nodeName.toUpperCase() == "TD" )
       
  2739 							{
       
  2740 								aLocalData[jInner] = $.trim(nTds[j].innerHTML);
       
  2741 								jInner++;
       
  2742 							}
       
  2743 						}
       
  2744 					}
       
  2745 				}
       
  2746 			}
       
  2747 			
       
  2748 			/* Gather in the TD elements of the Table - note that this is basically the same as
       
  2749 			 * fnGetTdNodes, but that function takes account of hidden columns, which we haven't yet
       
  2750 			 * setup!
       
  2751 			 */
       
  2752 			nTrs = _fnGetTrNodes( oSettings );
       
  2753 			nTds = [];
       
  2754 			for ( i=0, iLen=nTrs.length ; i<iLen ; i++ )
       
  2755 			{
       
  2756 				for ( j=0, jLen=nTrs[i].childNodes.length ; j<jLen ; j++ )
       
  2757 				{
       
  2758 					nTd = nTrs[i].childNodes[j];
       
  2759 					if ( nTd.nodeName.toUpperCase() == "TD" )
       
  2760 					{
       
  2761 						nTds.push( nTd );
       
  2762 					}
       
  2763 				}
       
  2764 			}
       
  2765 			
       
  2766 			/* Sanity check */
       
  2767 			if ( nTds.length != nTrs.length * oSettings.aoColumns.length )
       
  2768 			{
       
  2769 				_fnLog( oSettings, 1, "Unexpected number of TD elements. Expected "+
       
  2770 					(nTrs.length * oSettings.aoColumns.length)+" and got "+nTds.length+". DataTables does "+
       
  2771 					"not support rowspan / colspan in the table body, and there must be one cell for each "+
       
  2772 					"row/column combination." );
       
  2773 			}
       
  2774 			
       
  2775 			/* Now process by column */
       
  2776 			for ( iColumn=0, iColumns=oSettings.aoColumns.length ; iColumn<iColumns ; iColumn++ )
       
  2777 			{
       
  2778 				/* Get the title of the column - unless there is a user set one */
       
  2779 				if ( oSettings.aoColumns[iColumn].sTitle === null )
       
  2780 				{
       
  2781 					oSettings.aoColumns[iColumn].sTitle = oSettings.aoColumns[iColumn].nTh.innerHTML;
       
  2782 				}
       
  2783 				
       
  2784 				var
       
  2785 					bAutoType = oSettings.aoColumns[iColumn]._bAutoType,
       
  2786 					bRender = typeof oSettings.aoColumns[iColumn].fnRender == 'function',
       
  2787 					bClass = oSettings.aoColumns[iColumn].sClass !== null,
       
  2788 					bVisible = oSettings.aoColumns[iColumn].bVisible,
       
  2789 					nCell, sThisType, sRendered;
       
  2790 				
       
  2791 				/* A single loop to rule them all (and be more efficient) */
       
  2792 				if ( bAutoType || bRender || bClass || !bVisible )
       
  2793 				{
       
  2794 					for ( iRow=0, iRows=oSettings.aoData.length ; iRow<iRows ; iRow++ )
       
  2795 					{
       
  2796 						nCell = nTds[ (iRow*iColumns) + iColumn ];
       
  2797 						
       
  2798 						/* Type detection */
       
  2799 						if ( bAutoType )
       
  2800 						{
       
  2801 							if ( oSettings.aoColumns[iColumn].sType != 'string' )
       
  2802 							{
       
  2803 								sThisType = _fnDetectType( oSettings.aoData[iRow]._aData[iColumn] );
       
  2804 								if ( oSettings.aoColumns[iColumn].sType === null )
       
  2805 								{
       
  2806 									oSettings.aoColumns[iColumn].sType = sThisType;
       
  2807 								}
       
  2808 								else if ( oSettings.aoColumns[iColumn].sType != sThisType )
       
  2809 								{
       
  2810 									/* String is always the 'fallback' option */
       
  2811 									oSettings.aoColumns[iColumn].sType = 'string';
       
  2812 								}
       
  2813 							}
       
  2814 						}
       
  2815 						
       
  2816 						/* Rendering */
       
  2817 						if ( bRender )
       
  2818 						{
       
  2819 							sRendered = oSettings.aoColumns[iColumn].fnRender( {
       
  2820 									"iDataRow": iRow,
       
  2821 									"iDataColumn": iColumn,
       
  2822 									"aData": oSettings.aoData[iRow]._aData,
       
  2823 									"oSettings": oSettings
       
  2824 								} );
       
  2825 							nCell.innerHTML = sRendered;
       
  2826 							if ( oSettings.aoColumns[iColumn].bUseRendered )
       
  2827 							{
       
  2828 								/* Use the rendered data for filtering/sorting */
       
  2829 								oSettings.aoData[iRow]._aData[iColumn] = sRendered;
       
  2830 							}
       
  2831 						}
       
  2832 						
       
  2833 						/* Classes */
       
  2834 						if ( bClass )
       
  2835 						{
       
  2836 							nCell.className += ' '+oSettings.aoColumns[iColumn].sClass;
       
  2837 						}
       
  2838 						
       
  2839 						/* Column visability */
       
  2840 						if ( !bVisible )
       
  2841 						{
       
  2842 							oSettings.aoData[iRow]._anHidden[iColumn] = nCell;
       
  2843 							nCell.parentNode.removeChild( nCell );
       
  2844 						}
       
  2845 						else
       
  2846 						{
       
  2847 							oSettings.aoData[iRow]._anHidden[iColumn] = null;
       
  2848 						}
       
  2849 					}
       
  2850 				}
       
  2851 			}
       
  2852 		}
       
  2853 		
       
  2854 		
       
  2855 		
       
  2856 		/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
       
  2857 		 * Section - Drawing functions
       
  2858 		 */
       
  2859 		
       
  2860 		/*
       
  2861 		 * Function: _fnDrawHead
       
  2862 		 * Purpose:  Create the HTML header for the table
       
  2863 		 * Returns:  -
       
  2864 		 * Inputs:   object:oSettings - dataTables settings object
       
  2865 		 */
       
  2866 		function _fnDrawHead( oSettings )
       
  2867 		{
       
  2868 			var i, nTh, iLen, j, jLen;
       
  2869 			var anTr = oSettings.nTHead.getElementsByTagName('tr');
       
  2870 			var iThs = oSettings.nTHead.getElementsByTagName('th').length;
       
  2871 			var iCorrector = 0;
       
  2872 			var jqChildren;
       
  2873 			
       
  2874 			/* If there is a header in place - then use it - otherwise it's going to get nuked... */
       
  2875 			if ( iThs !== 0 )
       
  2876 			{
       
  2877 				/* We've got a thead from the DOM, so remove hidden columns and apply width to vis cols */
       
  2878 				for ( i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
       
  2879 				{
       
  2880 					nTh = oSettings.aoColumns[i].nTh;
       
  2881 					
       
  2882 					if ( oSettings.aoColumns[i].sClass !== null )
       
  2883 					{
       
  2884 						$(nTh).addClass( oSettings.aoColumns[i].sClass );
       
  2885 					}
       
  2886 					
       
  2887 					/* Cache and remove (if needed) any extra elements for this column in the header */
       
  2888 					for ( j=1, jLen=anTr.length ; j<jLen ; j++ )
       
  2889 					{
       
  2890 						jqChildren = $(anTr[j]).children();
       
  2891 						oSettings.aoColumns[i].anThExtra.push( jqChildren[i-iCorrector] );
       
  2892 						if ( !oSettings.aoColumns[i].bVisible )
       
  2893 						{
       
  2894 							anTr[j].removeChild( jqChildren[i-iCorrector] );
       
  2895 						}
       
  2896 					}
       
  2897 					
       
  2898 					if ( oSettings.aoColumns[i].bVisible )
       
  2899 					{
       
  2900 						/* Set the title of the column if it is user defined (not what was auto detected) */
       
  2901 						if ( oSettings.aoColumns[i].sTitle != nTh.innerHTML )
       
  2902 						{
       
  2903 							nTh.innerHTML = oSettings.aoColumns[i].sTitle;
       
  2904 						}
       
  2905 					}
       
  2906 					else
       
  2907 					{
       
  2908 						nTh.parentNode.removeChild( nTh );
       
  2909 						iCorrector++;
       
  2910 					}
       
  2911 				}
       
  2912 			}
       
  2913 			else
       
  2914 			{
       
  2915 				/* We don't have a header in the DOM - so we are going to have to create one */
       
  2916 				var nTr = document.createElement( "tr" );
       
  2917 				
       
  2918 				for ( i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
       
  2919 				{
       
  2920 					nTh = oSettings.aoColumns[i].nTh;
       
  2921 					nTh.innerHTML = oSettings.aoColumns[i].sTitle;
       
  2922 					
       
  2923 					if ( oSettings.aoColumns[i].sClass !== null )
       
  2924 					{
       
  2925 						$(nTh).addClass( oSettings.aoColumns[i].sClass );
       
  2926 					}
       
  2927 					
       
  2928 					if ( oSettings.aoColumns[i].bVisible )
       
  2929 					{
       
  2930 						nTr.appendChild( nTh );
       
  2931 					}
       
  2932 				}
       
  2933 				$(oSettings.nTHead).html( '' )[0].appendChild( nTr );
       
  2934 			}
       
  2935 			
       
  2936 			/* Add the extra markup needed by jQuery UI's themes */
       
  2937 			if ( oSettings.bJUI )
       
  2938 			{
       
  2939 				for ( i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
       
  2940 				{
       
  2941 					nTh = oSettings.aoColumns[i].nTh;
       
  2942 					
       
  2943 					var nDiv = document.createElement('div');
       
  2944 					nDiv.className = oSettings.oClasses.sSortJUIWrapper;
       
  2945 					$(nTh).contents().appendTo(nDiv);
       
  2946 					
       
  2947 					nDiv.appendChild( document.createElement('span') );
       
  2948 					nTh.appendChild( nDiv );
       
  2949 				}
       
  2950 			}
       
  2951 			
       
  2952 			/* Add sort listener */
       
  2953 			var fnNoSelect = function (e) {
       
  2954 				this.onselectstart = function() { return false; };
       
  2955 				return false;
       
  2956 			};
       
  2957 			
       
  2958 			if ( oSettings.oFeatures.bSort )
       
  2959 			{
       
  2960 				for ( i=0 ; i<oSettings.aoColumns.length ; i++ )
       
  2961 				{
       
  2962 					if ( oSettings.aoColumns[i].bSortable !== false )
       
  2963 					{
       
  2964 						_fnSortAttachListener( oSettings, oSettings.aoColumns[i].nTh, i );
       
  2965 						
       
  2966 						/* Take the brutal approach to cancelling text selection in header */
       
  2967 						$(oSettings.aoColumns[i].nTh).bind( 'mousedown.DT', fnNoSelect );
       
  2968 					}
       
  2969 					else
       
  2970 					{
       
  2971 						$(oSettings.aoColumns[i].nTh).addClass( oSettings.oClasses.sSortableNone );
       
  2972 					}
       
  2973 				}
       
  2974 			}
       
  2975 			
       
  2976 			/* Cache the footer elements */
       
  2977 			if ( oSettings.nTFoot !== null )
       
  2978 			{
       
  2979 				iCorrector = 0;
       
  2980 				anTr = oSettings.nTFoot.getElementsByTagName('tr');
       
  2981 				var nTfs = anTr[0].getElementsByTagName('th');
       
  2982 				
       
  2983 				for ( i=0, iLen=nTfs.length ; i<iLen ; i++ )
       
  2984 				{
       
  2985 					if ( typeof oSettings.aoColumns[i] != 'undefined' )
       
  2986 					{
       
  2987 						oSettings.aoColumns[i].nTf = nTfs[i-iCorrector];
       
  2988 						
       
  2989 						if ( oSettings.oClasses.sFooterTH !== "" )
       
  2990 						{
       
  2991 							oSettings.aoColumns[i].nTf.className += " "+oSettings.oClasses.sFooterTH;
       
  2992 						}
       
  2993 						
       
  2994 						/* Deal with any extra elements for this column from the footer */
       
  2995 						for ( j=1, jLen=anTr.length ; j<jLen ; j++ )
       
  2996 						{
       
  2997 							jqChildren = $(anTr[j]).children();
       
  2998 							oSettings.aoColumns[i].anTfExtra.push( jqChildren[i-iCorrector] );
       
  2999 							if ( !oSettings.aoColumns[i].bVisible )
       
  3000 							{
       
  3001 								anTr[j].removeChild( jqChildren[i-iCorrector] );
       
  3002 							}
       
  3003 						}
       
  3004 						
       
  3005 						if ( !oSettings.aoColumns[i].bVisible )
       
  3006 						{
       
  3007 							nTfs[i-iCorrector].parentNode.removeChild( nTfs[i-iCorrector] );
       
  3008 							iCorrector++;
       
  3009 						}
       
  3010 					}
       
  3011 				}
       
  3012 			}
       
  3013 		}
       
  3014 		
       
  3015 		/*
       
  3016 		 * Function: _fnDraw
       
  3017 		 * Purpose:  Insert the required TR nodes into the table for display
       
  3018 		 * Returns:  -
       
  3019 		 * Inputs:   object:oSettings - dataTables settings object
       
  3020 		 */
       
  3021 		function _fnDraw( oSettings )
       
  3022 		{
       
  3023 			var i, iLen;
       
  3024 			var anRows = [];
       
  3025 			var iRowCount = 0;
       
  3026 			var bRowError = false;
       
  3027 			var iStrips = oSettings.asStripClasses.length;
       
  3028 			var iOpenRows = oSettings.aoOpenRows.length;
       
  3029 			
       
  3030 			oSettings.bDrawing = true;
       
  3031 			
       
  3032 			/* Check and see if we have an initial draw position from state saving */
       
  3033 			if ( typeof oSettings.iInitDisplayStart != 'undefined' && oSettings.iInitDisplayStart != -1 )
       
  3034 			{
       
  3035 				if ( oSettings.oFeatures.bServerSide )
       
  3036 				{
       
  3037 					oSettings._iDisplayStart = oSettings.iInitDisplayStart;
       
  3038 				}
       
  3039 				else
       
  3040 				{
       
  3041 					oSettings._iDisplayStart = (oSettings.iInitDisplayStart >= oSettings.fnRecordsDisplay()) ?
       
  3042 						0 : oSettings.iInitDisplayStart;
       
  3043 				}
       
  3044 				oSettings.iInitDisplayStart = -1;
       
  3045 				_fnCalculateEnd( oSettings );
       
  3046 			}
       
  3047 			
       
  3048 			/* If we are dealing with Ajax - do it here */
       
  3049 			if ( !oSettings.bDestroying && oSettings.oFeatures.bServerSide && 
       
  3050 			     !_fnAjaxUpdate( oSettings ) )
       
  3051 			{
       
  3052 				return;
       
  3053 			}
       
  3054 			else if ( !oSettings.oFeatures.bServerSide )
       
  3055 			{
       
  3056 				oSettings.iDraw++;
       
  3057 			}
       
  3058 			
       
  3059 			if ( oSettings.aiDisplay.length !== 0 )
       
  3060 			{
       
  3061 				var iStart = oSettings._iDisplayStart;
       
  3062 				var iEnd = oSettings._iDisplayEnd;
       
  3063 				
       
  3064 				if ( oSettings.oFeatures.bServerSide )
       
  3065 				{
       
  3066 					iStart = 0;
       
  3067 					iEnd = oSettings.aoData.length;
       
  3068 				}
       
  3069 				
       
  3070 				for ( var j=iStart ; j<iEnd ; j++ )
       
  3071 				{
       
  3072 					var aoData = oSettings.aoData[ oSettings.aiDisplay[j] ];
       
  3073 					var nRow = aoData.nTr;
       
  3074 					
       
  3075 					/* Remove the old stripping classes and then add the new one */
       
  3076 					if ( iStrips !== 0 )
       
  3077 					{
       
  3078 						var sStrip = oSettings.asStripClasses[ iRowCount % iStrips ];
       
  3079 						if ( aoData._sRowStripe != sStrip )
       
  3080 						{
       
  3081 							$(nRow).removeClass( aoData._sRowStripe ).addClass( sStrip );
       
  3082 							aoData._sRowStripe = sStrip;
       
  3083 						}
       
  3084 					}
       
  3085 					
       
  3086 					/* Custom row callback function - might want to manipule the row */
       
  3087 					if ( typeof oSettings.fnRowCallback == "function" )
       
  3088 					{
       
  3089 						nRow = oSettings.fnRowCallback.call( oSettings.oInstance, nRow, 
       
  3090 							oSettings.aoData[ oSettings.aiDisplay[j] ]._aData, iRowCount, j );
       
  3091 						if ( !nRow && !bRowError )
       
  3092 						{
       
  3093 							_fnLog( oSettings, 0, "A node was not returned by fnRowCallback" );
       
  3094 							bRowError = true;
       
  3095 						}
       
  3096 					}
       
  3097 					
       
  3098 					anRows.push( nRow );
       
  3099 					iRowCount++;
       
  3100 					
       
  3101 					/* If there is an open row - and it is attached to this parent - attach it on redraw */
       
  3102 					if ( iOpenRows !== 0 )
       
  3103 					{
       
  3104 						for ( var k=0 ; k<iOpenRows ; k++ )
       
  3105 						{
       
  3106 							if ( nRow == oSettings.aoOpenRows[k].nParent )
       
  3107 							{
       
  3108 								anRows.push( oSettings.aoOpenRows[k].nTr );
       
  3109 							}
       
  3110 						}
       
  3111 					}
       
  3112 				}
       
  3113 			}
       
  3114 			else
       
  3115 			{
       
  3116 				/* Table is empty - create a row with an empty message in it */
       
  3117 				anRows[ 0 ] = document.createElement( 'tr' );
       
  3118 				
       
  3119 				if ( typeof oSettings.asStripClasses[0] != 'undefined' )
       
  3120 				{
       
  3121 					anRows[ 0 ].className = oSettings.asStripClasses[0];
       
  3122 				}
       
  3123 				
       
  3124 				var nTd = document.createElement( 'td' );
       
  3125 				nTd.setAttribute( 'valign', "top" );
       
  3126 				nTd.colSpan = _fnVisbleColumns( oSettings );
       
  3127 				nTd.className = oSettings.oClasses.sRowEmpty;
       
  3128 				if ( typeof oSettings.oLanguage.sEmptyTable != 'undefined' &&
       
  3129 				     oSettings.fnRecordsTotal() === 0 )
       
  3130 				{
       
  3131 					nTd.innerHTML = oSettings.oLanguage.sEmptyTable;
       
  3132 				}
       
  3133 				else
       
  3134 				{
       
  3135 					nTd.innerHTML = oSettings.oLanguage.sZeroRecords.replace(
       
  3136 						'_MAX_', oSettings.fnFormatNumber(oSettings.fnRecordsTotal()) );
       
  3137 				}
       
  3138 				
       
  3139 				anRows[ iRowCount ].appendChild( nTd );
       
  3140 			}
       
  3141 			
       
  3142 			/* Callback the header and footer custom funcation if there is one */
       
  3143 			if ( typeof oSettings.fnHeaderCallback == 'function' )
       
  3144 			{
       
  3145 				oSettings.fnHeaderCallback.call( oSettings.oInstance, $('>tr', oSettings.nTHead)[0], 
       
  3146 					_fnGetDataMaster( oSettings ), oSettings._iDisplayStart, oSettings.fnDisplayEnd(),
       
  3147 					oSettings.aiDisplay );
       
  3148 			}
       
  3149 			
       
  3150 			if ( typeof oSettings.fnFooterCallback == 'function' )
       
  3151 			{
       
  3152 				oSettings.fnFooterCallback.call( oSettings.oInstance, $('>tr', oSettings.nTFoot)[0], 
       
  3153 					_fnGetDataMaster( oSettings ), oSettings._iDisplayStart, oSettings.fnDisplayEnd(),
       
  3154 					oSettings.aiDisplay );
       
  3155 			}
       
  3156 			
       
  3157 			/* 
       
  3158 			 * Need to remove any old row from the display - note we can't just empty the tbody using
       
  3159 			 * $().html('') since this will unbind the jQuery event handlers (even although the node 
       
  3160 			 * still exists!) - equally we can't use innerHTML, since IE throws an exception.
       
  3161 			 */
       
  3162 			var
       
  3163 				nAddFrag = document.createDocumentFragment(),
       
  3164 				nRemoveFrag = document.createDocumentFragment(),
       
  3165 				nBodyPar, nTrs;
       
  3166 			
       
  3167 			if ( oSettings.nTBody )
       
  3168 			{
       
  3169 				nBodyPar = oSettings.nTBody.parentNode;
       
  3170 				nRemoveFrag.appendChild( oSettings.nTBody );
       
  3171 				
       
  3172 				/* When doing infinite scrolling, only remove child rows when sorting, filtering or start
       
  3173 				 * up. When not infinite scroll, always do it.
       
  3174 				 */
       
  3175 				if ( !oSettings.oScroll.bInfinite || !oSettings._bInitComplete ||
       
  3176 				 	oSettings.bSorted || oSettings.bFiltered )
       
  3177 				{
       
  3178 					nTrs = oSettings.nTBody.childNodes;
       
  3179 					for ( i=nTrs.length-1 ; i>=0 ; i-- )
       
  3180 					{
       
  3181 						nTrs[i].parentNode.removeChild( nTrs[i] );
       
  3182 					}
       
  3183 				}
       
  3184 				
       
  3185 				/* Put the draw table into the dom */
       
  3186 				for ( i=0, iLen=anRows.length ; i<iLen ; i++ )
       
  3187 				{
       
  3188 					nAddFrag.appendChild( anRows[i] );
       
  3189 				}
       
  3190 				
       
  3191 				oSettings.nTBody.appendChild( nAddFrag );
       
  3192 				if ( nBodyPar !== null )
       
  3193 				{
       
  3194 					nBodyPar.appendChild( oSettings.nTBody );
       
  3195 				}
       
  3196 			}
       
  3197 			
       
  3198 			/* Call all required callback functions for the end of a draw */
       
  3199 			for ( i=oSettings.aoDrawCallback.length-1 ; i>=0 ; i-- )
       
  3200 			{
       
  3201 				oSettings.aoDrawCallback[i].fn.call( oSettings.oInstance, oSettings );
       
  3202 			}
       
  3203 			
       
  3204 			/* Draw is complete, sorting and filtering must be as well */
       
  3205 			oSettings.bSorted = false;
       
  3206 			oSettings.bFiltered = false;
       
  3207 			oSettings.bDrawing = false;
       
  3208 			
       
  3209 			if ( oSettings.oFeatures.bServerSide )
       
  3210 			{
       
  3211 				_fnProcessingDisplay( oSettings, false );
       
  3212 				if ( typeof oSettings._bInitComplete == 'undefined' )
       
  3213 				{
       
  3214 					_fnInitComplete( oSettings );
       
  3215 				}
       
  3216 			}
       
  3217 		}
       
  3218 		
       
  3219 		/*
       
  3220 		 * Function: _fnReDraw
       
  3221 		 * Purpose:  Redraw the table - taking account of the various features which are enabled
       
  3222 		 * Returns:  -
       
  3223 		 * Inputs:   object:oSettings - dataTables settings object
       
  3224 		 */
       
  3225 		function _fnReDraw( oSettings )
       
  3226 		{
       
  3227 			if ( oSettings.oFeatures.bSort )
       
  3228 			{
       
  3229 				/* Sorting will refilter and draw for us */
       
  3230 				_fnSort( oSettings, oSettings.oPreviousSearch );
       
  3231 			}
       
  3232 			else if ( oSettings.oFeatures.bFilter )
       
  3233 			{
       
  3234 				/* Filtering will redraw for us */
       
  3235 				_fnFilterComplete( oSettings, oSettings.oPreviousSearch );
       
  3236 			}
       
  3237 			else
       
  3238 			{
       
  3239 				_fnCalculateEnd( oSettings );
       
  3240 				_fnDraw( oSettings );
       
  3241 			}
       
  3242 		}
       
  3243 		
       
  3244 		/*
       
  3245 		 * Function: _fnAjaxUpdate
       
  3246 		 * Purpose:  Update the table using an Ajax call
       
  3247 		 * Returns:  bool: block the table drawing or not
       
  3248 		 * Inputs:   object:oSettings - dataTables settings object
       
  3249 		 */
       
  3250 		function _fnAjaxUpdate( oSettings )
       
  3251 		{
       
  3252 			if ( oSettings.bAjaxDataGet )
       
  3253 			{
       
  3254 				_fnProcessingDisplay( oSettings, true );
       
  3255 				var iColumns = oSettings.aoColumns.length;
       
  3256 				var aoData = [];
       
  3257 				var i;
       
  3258 				
       
  3259 				/* Paging and general */
       
  3260 				oSettings.iDraw++;
       
  3261 				aoData.push( { "name": "sEcho",          "value": oSettings.iDraw } );
       
  3262 				aoData.push( { "name": "iColumns",       "value": iColumns } );
       
  3263 				aoData.push( { "name": "sColumns",       "value": _fnColumnOrdering(oSettings) } );
       
  3264 				aoData.push( { "name": "iDisplayStart",  "value": oSettings._iDisplayStart } );
       
  3265 				aoData.push( { "name": "iDisplayLength", "value": oSettings.oFeatures.bPaginate !== false ?
       
  3266 					oSettings._iDisplayLength : -1 } );
       
  3267 				
       
  3268 				/* Filtering */
       
  3269 				if ( oSettings.oFeatures.bFilter !== false )
       
  3270 				{
       
  3271 					aoData.push( { "name": "sSearch", "value": oSettings.oPreviousSearch.sSearch } );
       
  3272 					aoData.push( { "name": "bRegex",  "value": oSettings.oPreviousSearch.bRegex } );
       
  3273 					for ( i=0 ; i<iColumns ; i++ )
       
  3274 					{
       
  3275 						aoData.push( { "name": "sSearch_"+i,     "value": oSettings.aoPreSearchCols[i].sSearch } );
       
  3276 						aoData.push( { "name": "bRegex_"+i,      "value": oSettings.aoPreSearchCols[i].bRegex } );
       
  3277 						aoData.push( { "name": "bSearchable_"+i, "value": oSettings.aoColumns[i].bSearchable } );
       
  3278 					}
       
  3279 				}
       
  3280 				
       
  3281 				/* Sorting */
       
  3282 				if ( oSettings.oFeatures.bSort !== false )
       
  3283 				{
       
  3284 					var iFixed = oSettings.aaSortingFixed !== null ? oSettings.aaSortingFixed.length : 0;
       
  3285 					var iUser = oSettings.aaSorting.length;
       
  3286 					aoData.push( { "name": "iSortingCols",   "value": iFixed+iUser } );
       
  3287 					for ( i=0 ; i<iFixed ; i++ )
       
  3288 					{
       
  3289 						aoData.push( { "name": "iSortCol_"+i,  "value": oSettings.aaSortingFixed[i][0] } );
       
  3290 						aoData.push( { "name": "sSortDir_"+i,  "value": oSettings.aaSortingFixed[i][1] } );
       
  3291 					}
       
  3292 					
       
  3293 					for ( i=0 ; i<iUser ; i++ )
       
  3294 					{
       
  3295 						aoData.push( { "name": "iSortCol_"+(i+iFixed),  "value": oSettings.aaSorting[i][0] } );
       
  3296 						aoData.push( { "name": "sSortDir_"+(i+iFixed),  "value": oSettings.aaSorting[i][1] } );
       
  3297 					}
       
  3298 					
       
  3299 					for ( i=0 ; i<iColumns ; i++ )
       
  3300 					{
       
  3301 						aoData.push( { "name": "bSortable_"+i,  "value": oSettings.aoColumns[i].bSortable } );
       
  3302 					}
       
  3303 				}
       
  3304 				
       
  3305 				oSettings.fnServerData.call( oSettings.oInstance, oSettings.sAjaxSource, aoData,
       
  3306 					function(json) {
       
  3307 						_fnAjaxUpdateDraw( oSettings, json );
       
  3308 					} );
       
  3309 				return false;
       
  3310 			}
       
  3311 			else
       
  3312 			{
       
  3313 				return true;
       
  3314 			}
       
  3315 		}
       
  3316 		
       
  3317 		/*
       
  3318 		 * Function: _fnAjaxUpdateDraw
       
  3319 		 * Purpose:  Data the data from the server (nuking the old) and redraw the table
       
  3320 		 * Returns:  -
       
  3321 		 * Inputs:   object:oSettings - dataTables settings object
       
  3322 		 *           object:json - json data return from the server.
       
  3323 		 *             The following must be defined:
       
  3324 		 *               iTotalRecords, iTotalDisplayRecords, aaData
       
  3325 		 *             The following may be defined:
       
  3326 		 *               sColumns
       
  3327 		 */
       
  3328 		function _fnAjaxUpdateDraw ( oSettings, json )
       
  3329 		{
       
  3330 			if ( typeof json.sEcho != 'undefined' )
       
  3331 			{
       
  3332 				/* Protect against old returns over-writing a new one. Possible when you get
       
  3333 				 * very fast interaction, and later queires are completed much faster
       
  3334 				 */
       
  3335 				if ( json.sEcho*1 < oSettings.iDraw )
       
  3336 				{
       
  3337 					return;
       
  3338 				}
       
  3339 				else
       
  3340 				{
       
  3341 					oSettings.iDraw = json.sEcho * 1;
       
  3342 				}
       
  3343 			}
       
  3344 			
       
  3345 			if ( !oSettings.oScroll.bInfinite ||
       
  3346 				   (oSettings.oScroll.bInfinite && (oSettings.bSorted || oSettings.bFiltered)) )
       
  3347 			{
       
  3348 				_fnClearTable( oSettings );
       
  3349 			}
       
  3350 			oSettings._iRecordsTotal = json.iTotalRecords;
       
  3351 			oSettings._iRecordsDisplay = json.iTotalDisplayRecords;
       
  3352 			
       
  3353 			/* Determine if reordering is required */
       
  3354 			var sOrdering = _fnColumnOrdering(oSettings);
       
  3355 			var bReOrder = (typeof json.sColumns != 'undefined' && sOrdering !== "" && json.sColumns != sOrdering );
       
  3356 			if ( bReOrder )
       
  3357 			{
       
  3358 				var aiIndex = _fnReOrderIndex( oSettings, json.sColumns );
       
  3359 			}
       
  3360 			
       
  3361 			for ( var i=0, iLen=json.aaData.length ; i<iLen ; i++ )
       
  3362 			{
       
  3363 				if ( bReOrder )
       
  3364 				{
       
  3365 					/* If we need to re-order, then create a new array with the correct order and add it */
       
  3366 					var aData = [];
       
  3367 					for ( var j=0, jLen=oSettings.aoColumns.length ; j<jLen ; j++ )
       
  3368 					{
       
  3369 						aData.push( json.aaData[i][ aiIndex[j] ] );
       
  3370 					}
       
  3371 					_fnAddData( oSettings, aData );
       
  3372 				}
       
  3373 				else
       
  3374 				{
       
  3375 					/* No re-order required, sever got it "right" - just straight add */
       
  3376 					_fnAddData( oSettings, json.aaData[i] );
       
  3377 				}
       
  3378 			}
       
  3379 			oSettings.aiDisplay = oSettings.aiDisplayMaster.slice();
       
  3380 			
       
  3381 			oSettings.bAjaxDataGet = false;
       
  3382 			_fnDraw( oSettings );
       
  3383 			oSettings.bAjaxDataGet = true;
       
  3384 			_fnProcessingDisplay( oSettings, false );
       
  3385 		}
       
  3386 		
       
  3387 		
       
  3388 		/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
       
  3389 		 * Section - Options (features) HTML
       
  3390 		 */
       
  3391 		
       
  3392 		/*
       
  3393 		 * Function: _fnAddOptionsHtml
       
  3394 		 * Purpose:  Add the options to the page HTML for the table
       
  3395 		 * Returns:  -
       
  3396 		 * Inputs:   object:oSettings - dataTables settings object
       
  3397 		 */
       
  3398 		function _fnAddOptionsHtml ( oSettings )
       
  3399 		{
       
  3400 			/*
       
  3401 			 * Create a temporary, empty, div which we can later on replace with what we have generated
       
  3402 			 * we do it this way to rendering the 'options' html offline - speed :-)
       
  3403 			 */
       
  3404 			var nHolding = document.createElement( 'div' );
       
  3405 			oSettings.nTable.parentNode.insertBefore( nHolding, oSettings.nTable );
       
  3406 			
       
  3407 			/* 
       
  3408 			 * All DataTables are wrapped in a div - this is not currently optional - backwards 
       
  3409 			 * compatability. It can be removed if you don't want it.
       
  3410 			 */
       
  3411 			oSettings.nTableWrapper = document.createElement( 'div' );
       
  3412 			oSettings.nTableWrapper.className = oSettings.oClasses.sWrapper;
       
  3413 			if ( oSettings.sTableId !== '' )
       
  3414 			{
       
  3415 				oSettings.nTableWrapper.setAttribute( 'id', oSettings.sTableId+'_wrapper' );
       
  3416 			}
       
  3417 			
       
  3418 			/* Track where we want to insert the option */
       
  3419 			var nInsertNode = oSettings.nTableWrapper;
       
  3420 			
       
  3421 			/* Loop over the user set positioning and place the elements as needed */
       
  3422 			var aDom = oSettings.sDom.split('');
       
  3423 			var nTmp, iPushFeature, cOption, nNewNode, cNext, sAttr, j;
       
  3424 			for ( var i=0 ; i<aDom.length ; i++ )
       
  3425 			{
       
  3426 				iPushFeature = 0;
       
  3427 				cOption = aDom[i];
       
  3428 				
       
  3429 				if ( cOption == '<' )
       
  3430 				{
       
  3431 					/* New container div */
       
  3432 					nNewNode = document.createElement( 'div' );
       
  3433 					
       
  3434 					/* Check to see if we should append an id and/or a class name to the container */
       
  3435 					cNext = aDom[i+1];
       
  3436 					if ( cNext == "'" || cNext == '"' )
       
  3437 					{
       
  3438 						sAttr = "";
       
  3439 						j = 2;
       
  3440 						while ( aDom[i+j] != cNext )
       
  3441 						{
       
  3442 							sAttr += aDom[i+j];
       
  3443 							j++;
       
  3444 						}
       
  3445 						
       
  3446 						/* Replace jQuery UI constants */
       
  3447 						if ( sAttr == "H" )
       
  3448 						{
       
  3449 							sAttr = "fg-toolbar ui-toolbar ui-widget-header ui-corner-tl ui-corner-tr ui-helper-clearfix";
       
  3450 						}
       
  3451 						else if ( sAttr == "F" )
       
  3452 						{
       
  3453 							sAttr = "fg-toolbar ui-toolbar ui-widget-header ui-corner-bl ui-corner-br ui-helper-clearfix";
       
  3454 						}
       
  3455 						
       
  3456 						/* The attribute can be in the format of "#id.class", "#id" or "class" This logic
       
  3457 						 * breaks the string into parts and applies them as needed
       
  3458 						 */
       
  3459 						if ( sAttr.indexOf('.') != -1 )
       
  3460 						{
       
  3461 							var aSplit = sAttr.split('.');
       
  3462 							nNewNode.setAttribute('id', aSplit[0].substr(1, aSplit[0].length-1) );
       
  3463 							nNewNode.className = aSplit[1];
       
  3464 						}
       
  3465 						else if ( sAttr.charAt(0) == "#" )
       
  3466 						{
       
  3467 							nNewNode.setAttribute('id', sAttr.substr(1, sAttr.length-1) );
       
  3468 						}
       
  3469 						else
       
  3470 						{
       
  3471 							nNewNode.className = sAttr;
       
  3472 						}
       
  3473 						
       
  3474 						i += j; /* Move along the position array */
       
  3475 					}
       
  3476 					
       
  3477 					nInsertNode.appendChild( nNewNode );
       
  3478 					nInsertNode = nNewNode;
       
  3479 				}
       
  3480 				else if ( cOption == '>' )
       
  3481 				{
       
  3482 					/* End container div */
       
  3483 					nInsertNode = nInsertNode.parentNode;
       
  3484 				}
       
  3485 				else if ( cOption == 'l' && oSettings.oFeatures.bPaginate && oSettings.oFeatures.bLengthChange )
       
  3486 				{
       
  3487 					/* Length */
       
  3488 					nTmp = _fnFeatureHtmlLength( oSettings );
       
  3489 					iPushFeature = 1;
       
  3490 				}
       
  3491 				else if ( cOption == 'f' && oSettings.oFeatures.bFilter )
       
  3492 				{
       
  3493 					/* Filter */
       
  3494 					nTmp = _fnFeatureHtmlFilter( oSettings );
       
  3495 					iPushFeature = 1;
       
  3496 				}
       
  3497 				else if ( cOption == 'r' && oSettings.oFeatures.bProcessing )
       
  3498 				{
       
  3499 					/* pRocessing */
       
  3500 					nTmp = _fnFeatureHtmlProcessing( oSettings );
       
  3501 					iPushFeature = 1;
       
  3502 				}
       
  3503 				else if ( cOption == 't' )
       
  3504 				{
       
  3505 					/* Table */
       
  3506 					nTmp = _fnFeatureHtmlTable( oSettings );
       
  3507 					iPushFeature = 1;
       
  3508 				}
       
  3509 				else if ( cOption ==  'i' && oSettings.oFeatures.bInfo )
       
  3510 				{
       
  3511 					/* Info */
       
  3512 					nTmp = _fnFeatureHtmlInfo( oSettings );
       
  3513 					iPushFeature = 1;
       
  3514 				}
       
  3515 				else if ( cOption == 'p' && oSettings.oFeatures.bPaginate )
       
  3516 				{
       
  3517 					/* Pagination */
       
  3518 					nTmp = _fnFeatureHtmlPaginate( oSettings );
       
  3519 					iPushFeature = 1;
       
  3520 				}
       
  3521 				else if ( _oExt.aoFeatures.length !== 0 )
       
  3522 				{
       
  3523 					/* Plug-in features */
       
  3524 					var aoFeatures = _oExt.aoFeatures;
       
  3525 					for ( var k=0, kLen=aoFeatures.length ; k<kLen ; k++ )
       
  3526 					{
       
  3527 						if ( cOption == aoFeatures[k].cFeature )
       
  3528 						{
       
  3529 							nTmp = aoFeatures[k].fnInit( oSettings );
       
  3530 							if ( nTmp )
       
  3531 							{
       
  3532 								iPushFeature = 1;
       
  3533 							}
       
  3534 							break;
       
  3535 						}
       
  3536 					}
       
  3537 				}
       
  3538 				
       
  3539 				/* Add to the 2D features array */
       
  3540 				if ( iPushFeature == 1 && nTmp !== null )
       
  3541 				{
       
  3542 					if ( typeof oSettings.aanFeatures[cOption] != 'object' )
       
  3543 					{
       
  3544 						oSettings.aanFeatures[cOption] = [];
       
  3545 					}
       
  3546 					oSettings.aanFeatures[cOption].push( nTmp );
       
  3547 					nInsertNode.appendChild( nTmp );
       
  3548 				}
       
  3549 			}
       
  3550 			
       
  3551 			/* Built our DOM structure - replace the holding div with what we want */
       
  3552 			nHolding.parentNode.replaceChild( oSettings.nTableWrapper, nHolding );
       
  3553 		}
       
  3554 		
       
  3555 		
       
  3556 		/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
       
  3557 		 * Section - Feature: Filtering
       
  3558 		 */
       
  3559 		
       
  3560 		/*
       
  3561 		 * Function: _fnFeatureHtmlTable
       
  3562 		 * Purpose:  Add any control elements for the table - specifically scrolling
       
  3563 		 * Returns:  node: - Node to add to the DOM
       
  3564 		 * Inputs:   object:oSettings - dataTables settings object
       
  3565 		 */
       
  3566 		function _fnFeatureHtmlTable ( oSettings )
       
  3567 		{
       
  3568 			/* Chack if scrolling is enabled or not - if not then leave the DOM unaltered */
       
  3569 			if ( oSettings.oScroll.sX === "" && oSettings.oScroll.sY === "" )
       
  3570 			{
       
  3571 				return oSettings.nTable;
       
  3572 			}
       
  3573 			
       
  3574 			/*
       
  3575 			 * The HTML structure that we want to generate in this function is:
       
  3576 			 *  div - nScroller
       
  3577 			 *    div - nScrollHead
       
  3578 			 *      div - nScrollHeadInner
       
  3579 			 *        table - nScrollHeadTable
       
  3580 			 *          thead - nThead
       
  3581 			 *    div - nScrollBody
       
  3582 			 *      table - oSettings.nTable
       
  3583 			 *        thead - nTheadSize
       
  3584 			 *        tbody - nTbody
       
  3585 			 *    div - nScrollFoot
       
  3586 			 *      div - nScrollFootInner
       
  3587 			 *        table - nScrollFootTable
       
  3588 			 *          tfoot - nTfoot
       
  3589 			 */
       
  3590 			var
       
  3591 			 	nScroller = document.createElement('div'),
       
  3592 			 	nScrollHead = document.createElement('div'),
       
  3593 			 	nScrollHeadInner = document.createElement('div'),
       
  3594 			 	nScrollBody = document.createElement('div'),
       
  3595 			 	nScrollFoot = document.createElement('div'),
       
  3596 			 	nScrollFootInner = document.createElement('div'),
       
  3597 			 	nScrollHeadTable = oSettings.nTable.cloneNode(false),
       
  3598 			 	nScrollFootTable = oSettings.nTable.cloneNode(false),
       
  3599 				nThead = oSettings.nTable.getElementsByTagName('thead')[0],
       
  3600 			 	nTfoot = oSettings.nTable.getElementsByTagName('tfoot').length === 0 ? null : 
       
  3601 					oSettings.nTable.getElementsByTagName('tfoot')[0],
       
  3602 				oClasses = (typeof oInit.bJQueryUI != 'undefined' && oInit.bJQueryUI) ?
       
  3603 			 		_oExt.oJUIClasses : _oExt.oStdClasses;
       
  3604 			
       
  3605 			nScrollHead.appendChild( nScrollHeadInner );
       
  3606 			nScrollFoot.appendChild( nScrollFootInner );
       
  3607 			nScrollBody.appendChild( oSettings.nTable );
       
  3608 			nScroller.appendChild( nScrollHead );
       
  3609 			nScroller.appendChild( nScrollBody );
       
  3610 			nScrollHeadInner.appendChild( nScrollHeadTable );
       
  3611 			nScrollHeadTable.appendChild( nThead );
       
  3612 			if ( nTfoot !== null )
       
  3613 			{
       
  3614 				nScroller.appendChild( nScrollFoot );
       
  3615 				nScrollFootInner.appendChild( nScrollFootTable );
       
  3616 				nScrollFootTable.appendChild( nTfoot );
       
  3617 			}
       
  3618 			
       
  3619 			nScroller.className = oClasses.sScrollWrapper;
       
  3620 			nScrollHead.className = oClasses.sScrollHead;
       
  3621 			nScrollHeadInner.className = oClasses.sScrollHeadInner;
       
  3622 			nScrollBody.className = oClasses.sScrollBody;
       
  3623 			nScrollFoot.className = oClasses.sScrollFoot;
       
  3624 			nScrollFootInner.className = oClasses.sScrollFootInner;
       
  3625 			
       
  3626 			if ( oSettings.oScroll.bAutoCss )
       
  3627 			{
       
  3628 				nScrollHead.style.overflow = "hidden";
       
  3629 				nScrollHead.style.position = "relative";
       
  3630 				nScrollFoot.style.overflow = "hidden";
       
  3631 				nScrollBody.style.overflow = "auto";
       
  3632 			}
       
  3633 			
       
  3634 			nScrollHead.style.border = "0";
       
  3635 			nScrollHead.style.width = "100%";
       
  3636 			nScrollFoot.style.border = "0";
       
  3637 			nScrollHeadInner.style.width = "150%"; /* will be overwritten */
       
  3638 			
       
  3639 			/* Modify attributes to respect the clones */
       
  3640 			nScrollHeadTable.removeAttribute('id');
       
  3641 			nScrollHeadTable.style.marginLeft = "0";
       
  3642 			oSettings.nTable.style.marginLeft = "0";
       
  3643 			if ( nTfoot !== null )
       
  3644 			{
       
  3645 				nScrollFootTable.removeAttribute('id');
       
  3646 				nScrollFootTable.style.marginLeft = "0";
       
  3647 			}
       
  3648 			
       
  3649 			/* Move any caption elements from the body to the header */
       
  3650 			var nCaptions = $('>caption', oSettings.nTable);
       
  3651 			for ( var i=0, iLen=nCaptions.length ; i<iLen ; i++ )
       
  3652 			{
       
  3653 				nScrollHeadTable.appendChild( nCaptions[i] );
       
  3654 			}
       
  3655 			
       
  3656 			/*
       
  3657 			 * Sizing
       
  3658 			 */
       
  3659 			/* When xscrolling add the width and a scroller to move the header with the body */
       
  3660 			if ( oSettings.oScroll.sX !== "" )
       
  3661 			{
       
  3662 				nScrollHead.style.width = _fnStringToCss( oSettings.oScroll.sX );
       
  3663 				nScrollBody.style.width = _fnStringToCss( oSettings.oScroll.sX );
       
  3664 				
       
  3665 				if ( nTfoot !== null )
       
  3666 				{
       
  3667 					nScrollFoot.style.width = _fnStringToCss( oSettings.oScroll.sX );	
       
  3668 				}
       
  3669 				
       
  3670 				/* When the body is scrolled, then we also want to scroll the headers */
       
  3671 				$(nScrollBody).scroll( function (e) {
       
  3672 					nScrollHead.scrollLeft = this.scrollLeft;
       
  3673 					
       
  3674 					if ( nTfoot !== null )
       
  3675 					{
       
  3676 						nScrollFoot.scrollLeft = this.scrollLeft;
       
  3677 					}
       
  3678 				} );
       
  3679 			}
       
  3680 			
       
  3681 			/* When yscrolling, add the height */
       
  3682 			if ( oSettings.oScroll.sY !== "" )
       
  3683 			{
       
  3684 				nScrollBody.style.height = _fnStringToCss( oSettings.oScroll.sY );
       
  3685 			}
       
  3686 			
       
  3687 			/* Redraw - align columns across the tables */
       
  3688 			oSettings.aoDrawCallback.push( {
       
  3689 				"fn": _fnScrollDraw,
       
  3690 				"sName": "scrolling"
       
  3691 			} );
       
  3692 			
       
  3693 			/* Infinite scrolling event handlers */
       
  3694 			if ( oSettings.oScroll.bInfinite )
       
  3695 			{
       
  3696 				$(nScrollBody).scroll( function() {
       
  3697 					/* Use a blocker to stop scrolling from loading more data while other data is still loading */
       
  3698 					if ( !oSettings.bDrawing )
       
  3699 					{
       
  3700 						/* Check if we should load the next data set */
       
  3701 						if ( $(this).scrollTop() + $(this).height() > 
       
  3702 							$(oSettings.nTable).height() - oSettings.oScroll.iLoadGap )
       
  3703 						{
       
  3704 							/* Only do the redraw if we have to - we might be at the end of the data */
       
  3705 							if ( oSettings.fnDisplayEnd() < oSettings.fnRecordsDisplay() )
       
  3706 							{
       
  3707 								_fnPageChange( oSettings, 'next' );
       
  3708 								_fnCalculateEnd( oSettings );
       
  3709 								_fnDraw( oSettings );
       
  3710 							}
       
  3711 						}
       
  3712 					}
       
  3713 				} );
       
  3714 			}
       
  3715 			
       
  3716 			oSettings.nScrollHead = nScrollHead;
       
  3717 			oSettings.nScrollFoot = nScrollFoot;
       
  3718 			
       
  3719 			return nScroller;
       
  3720 		}
       
  3721 		
       
  3722 		/*
       
  3723 		 * Function: _fnScrollDraw
       
  3724 		 * Purpose:  Update the various tables for resizing
       
  3725 		 * Returns:  node: - Node to add to the DOM
       
  3726 		 * Inputs:   object:o - dataTables settings object
       
  3727 		 * Notes:    It's a bit of a pig this function, but basically the idea to:
       
  3728 		 *   1. Re-create the table inside the scrolling div
       
  3729 		 *   2. Take live measurements from the DOM
       
  3730 		 *   3. Apply the measurements
       
  3731 		 *   4. Clean up
       
  3732 		 */
       
  3733 		function _fnScrollDraw ( o )
       
  3734 		{
       
  3735 			var
       
  3736 				nScrollHeadInner = o.nScrollHead.getElementsByTagName('div')[0],
       
  3737 				nScrollHeadTable = nScrollHeadInner.getElementsByTagName('table')[0],
       
  3738 				nScrollBody = o.nTable.parentNode,
       
  3739 				i, iLen, j, jLen, anHeadToSize, anHeadSizers, anFootSizers, anFootToSize, oStyle, iVis,
       
  3740 				iWidth, aApplied=[], iSanityWidth;
       
  3741 			
       
  3742 			/*
       
  3743 			 * 1. Re-create the table inside the scrolling div
       
  3744 			 */
       
  3745 			
       
  3746 			/* Remove the old minimised thead and tfoot elements in the inner table */
       
  3747 			var nTheadSize = o.nTable.getElementsByTagName('thead');
       
  3748 			if ( nTheadSize.length > 0 )
       
  3749 			{
       
  3750 				o.nTable.removeChild( nTheadSize[0] );
       
  3751 			}
       
  3752 			
       
  3753 			if ( o.nTFoot !== null )
       
  3754 			{
       
  3755 				/* Remove the old minimised footer element in the cloned header */
       
  3756 				var nTfootSize = o.nTable.getElementsByTagName('tfoot');
       
  3757 				if ( nTfootSize.length > 0 )
       
  3758 				{
       
  3759 					o.nTable.removeChild( nTfootSize[0] );
       
  3760 				}
       
  3761 			}
       
  3762 			
       
  3763 			/* Clone the current header and footer elements and then place it into the inner table */
       
  3764 			nTheadSize = o.nTHead.cloneNode(true);
       
  3765 			o.nTable.insertBefore( nTheadSize, o.nTable.childNodes[0] );
       
  3766 			
       
  3767 			if ( o.nTFoot !== null )
       
  3768 			{
       
  3769 				nTfootSize = o.nTFoot.cloneNode(true);
       
  3770 				o.nTable.insertBefore( nTfootSize, o.nTable.childNodes[1] );
       
  3771 			}
       
  3772 			
       
  3773 			/*
       
  3774 			 * 2. Take live measurements from the DOM - do not alter the DOM itself!
       
  3775 			 */
       
  3776 			
       
  3777 			/* Remove old sizing and apply the calculated column widths
       
  3778 			 * Get the unique column headers in the newly created (cloned) header. We want to apply the
       
  3779 			 * calclated sizes to this header
       
  3780 			 */
       
  3781 			var nThs = _fnGetUniqueThs( nTheadSize );
       
  3782 			for ( i=0, iLen=nThs.length ; i<iLen ; i++ )
       
  3783 			{
       
  3784 				iVis = _fnVisibleToColumnIndex( o, i );
       
  3785 				nThs[i].style.width = o.aoColumns[iVis].sWidth;
       
  3786 			}
       
  3787 			
       
  3788 			if ( o.nTFoot !== null )
       
  3789 			{
       
  3790 				_fnApplyToChildren( function(n) {
       
  3791 					n.style.width = "";
       
  3792 				}, nTfootSize.getElementsByTagName('tr') );
       
  3793 			}
       
  3794 			
       
  3795 			/* Size the table as a whole */
       
  3796 			iSanityWidth = $(o.nTable).outerWidth();
       
  3797 			if ( o.oScroll.sX === "" )
       
  3798 			{
       
  3799 				/* No x scrolling */
       
  3800 				o.nTable.style.width = "100%";
       
  3801 				
       
  3802 				/* I know this is rubbish - but IE7 will make the width of the table when 100% include
       
  3803 				 * the scrollbar - which is shouldn't. This needs feature detection in future - to do
       
  3804 				 */
       
  3805 				if ( $.browser.msie && $.browser.version <= 7 )
       
  3806 				{
       
  3807 					o.nTable.style.width = _fnStringToCss( $(o.nTable).outerWidth()-o.oScroll.iBarWidth );
       
  3808 				}
       
  3809 			}
       
  3810 			else
       
  3811 			{
       
  3812 				if ( o.oScroll.sXInner !== "" )
       
  3813 				{
       
  3814 					/* x scroll inner has been given - use it */
       
  3815 					o.nTable.style.width = _fnStringToCss(o.oScroll.sXInner);
       
  3816 				}
       
  3817 				else if ( iSanityWidth == $(nScrollBody).width() &&
       
  3818 				   $(nScrollBody).height() < $(o.nTable).height() )
       
  3819 				{
       
  3820 					/* There is y-scrolling - try to take account of the y scroll bar */
       
  3821 					o.nTable.style.width = _fnStringToCss( iSanityWidth-o.oScroll.iBarWidth );
       
  3822 					if ( $(o.nTable).outerWidth() > iSanityWidth-o.oScroll.iBarWidth )
       
  3823 					{
       
  3824 						/* Not possible to take account of it */
       
  3825 						o.nTable.style.width = _fnStringToCss( iSanityWidth );
       
  3826 					}
       
  3827 				}
       
  3828 				else
       
  3829 				{
       
  3830 					/* All else fails */
       
  3831 					o.nTable.style.width = _fnStringToCss( iSanityWidth );
       
  3832 				}
       
  3833 			}
       
  3834 			
       
  3835 			/* Recalculate the sanity width - now that we've applied the required width, before it was
       
  3836 			 * a temporary variable. This is required because the column width calculation is done
       
  3837 			 * before this table DOM is created.
       
  3838 			 */
       
  3839 			iSanityWidth = $(o.nTable).outerWidth();
       
  3840 			
       
  3841 			/* We want the hidden header to have zero height, so remove padding and borders. Then
       
  3842 			 * set the width based on the real headers
       
  3843 			 */
       
  3844 			anHeadToSize = o.nTHead.getElementsByTagName('tr');
       
  3845 			anHeadSizers = nTheadSize.getElementsByTagName('tr');
       
  3846 			
       
  3847 			_fnApplyToChildren( function(nSizer, nToSize) {
       
  3848 				oStyle = nSizer.style;
       
  3849 				oStyle.paddingTop = "0";
       
  3850 				oStyle.paddingBottom = "0";
       
  3851 				oStyle.borderTopWidth = "0";
       
  3852 				oStyle.borderBottomWidth = "0";
       
  3853 				oStyle.height = 0;
       
  3854 				
       
  3855 				iWidth = $(nSizer).width();
       
  3856 				nToSize.style.width = _fnStringToCss( iWidth );
       
  3857 				aApplied.push( iWidth );
       
  3858 			}, anHeadSizers, anHeadToSize );
       
  3859 			$(anHeadSizers).height(0);
       
  3860 			
       
  3861 			if ( o.nTFoot !== null )
       
  3862 			{
       
  3863 				/* Clone the current footer and then place it into the body table as a "hidden header" */
       
  3864 				anFootSizers = nTfootSize.getElementsByTagName('tr');
       
  3865 				anFootToSize = o.nTFoot.getElementsByTagName('tr');
       
  3866 				
       
  3867 				_fnApplyToChildren( function(nSizer, nToSize) {
       
  3868 					oStyle = nSizer.style;
       
  3869 					oStyle.paddingTop = "0";
       
  3870 					oStyle.paddingBottom = "0";
       
  3871 					oStyle.borderTopWidth = "0";
       
  3872 					oStyle.borderBottomWidth = "0";
       
  3873 					oStyle.height = 0;
       
  3874 					
       
  3875 					iWidth = $(nSizer).width();
       
  3876 					nToSize.style.width = _fnStringToCss( iWidth );
       
  3877 					aApplied.push( iWidth );
       
  3878 				}, anFootSizers, anFootToSize );
       
  3879 				$(anFootSizers).height(0);
       
  3880 			}
       
  3881 			
       
  3882 			/*
       
  3883 			 * 3. Apply the measurements
       
  3884 			 */
       
  3885 			
       
  3886 			/* "Hide" the header and footer that we used for the sizing. We want to also fix their width
       
  3887 			 * to what they currently are
       
  3888 			 */
       
  3889 			_fnApplyToChildren( function(nSizer) {
       
  3890 				nSizer.innerHTML = "";
       
  3891 				nSizer.style.width = _fnStringToCss( aApplied.shift() );
       
  3892 			}, anHeadSizers );
       
  3893 			
       
  3894 			if ( o.nTFoot !== null )
       
  3895 			{
       
  3896 				_fnApplyToChildren( function(nSizer) {
       
  3897 					nSizer.innerHTML = "";
       
  3898 					nSizer.style.width = _fnStringToCss( aApplied.shift() );
       
  3899 				}, anFootSizers );
       
  3900 			}
       
  3901 			
       
  3902 			/* Sanity check that the table is of a sensible width. If not then we are going to get
       
  3903 			 * misalignment
       
  3904 			 */
       
  3905 			if ( $(o.nTable).outerWidth() < iSanityWidth )
       
  3906 			{
       
  3907 				if ( o.oScroll.sX === "" )
       
  3908 				{
       
  3909 					_fnLog( o, 1, "The table cannot fit into the current element which will cause column"+
       
  3910 						" misalignment. It is suggested that you enable x-scrolling or increase the width"+
       
  3911 						" the table has in which to be drawn" );
       
  3912 				}
       
  3913 				else if ( o.oScroll.sXInner !== "" )
       
  3914 				{
       
  3915 					_fnLog( o, 1, "The table cannot fit into the current element which will cause column"+
       
  3916 						" misalignment. It is suggested that you increase the sScrollXInner property to"+
       
  3917 						" allow it to draw in a larger area, or simply remove that parameter to allow"+
       
  3918 						" automatic calculation" );
       
  3919 				}
       
  3920 			}
       
  3921 			
       
  3922 			
       
  3923 			/*
       
  3924 			 * 4. Clean up
       
  3925 			 */
       
  3926 			
       
  3927 			if ( o.oScroll.sY === "" )
       
  3928 			{
       
  3929 				/* IE7< puts a vertical scrollbar in place (when it shouldn't be) due to subtracting
       
  3930 				 * the scrollbar height from the visible display, rather than adding it on. We need to
       
  3931 				 * set the height in order to sort this. Don't want to do it in any other browsers.
       
  3932 				 */
       
  3933 				if ( $.browser.msie && $.browser.version <= 7 )
       
  3934 				{
       
  3935 					nScrollBody.style.height = _fnStringToCss( o.nTable.offsetHeight+o.oScroll.iBarWidth );
       
  3936 				}
       
  3937 			}
       
  3938 			
       
  3939 			if ( o.oScroll.sY !== "" && o.oScroll.bCollapse )
       
  3940 			{
       
  3941 				nScrollBody.style.height = _fnStringToCss( o.oScroll.sY );
       
  3942 				
       
  3943 				var iExtra = (o.oScroll.sX !== "" && o.nTable.offsetWidth > nScrollBody.offsetWidth) ?
       
  3944 				 	o.oScroll.iBarWidth : 0;
       
  3945 				if ( o.nTable.offsetHeight < nScrollBody.offsetHeight )
       
  3946 				{
       
  3947 					nScrollBody.style.height = _fnStringToCss( $(o.nTable).height()+iExtra );
       
  3948 				}
       
  3949 			}
       
  3950 			
       
  3951 			/* Finally set the width's of the header and footer tables */
       
  3952 			var iOuterWidth = $(o.nTable).outerWidth();
       
  3953 			nScrollHeadTable.style.width = _fnStringToCss( iOuterWidth );
       
  3954 			nScrollHeadInner.style.width = _fnStringToCss( iOuterWidth+o.oScroll.iBarWidth );
       
  3955 			
       
  3956 			if ( o.nTFoot !== null )
       
  3957 			{
       
  3958 				var
       
  3959 					nScrollFootInner = o.nScrollFoot.getElementsByTagName('div')[0],
       
  3960 					nScrollFootTable = nScrollFootInner.getElementsByTagName('table')[0];
       
  3961 				
       
  3962 				nScrollFootInner.style.width = _fnStringToCss( o.nTable.offsetWidth+o.oScroll.iBarWidth );
       
  3963 				nScrollFootTable.style.width = _fnStringToCss( o.nTable.offsetWidth );
       
  3964 			}
       
  3965 			
       
  3966 			/* If sorting or filtering has occured, jump the scrolling back to the top */
       
  3967 			if ( o.bSorted || o.bFiltered )
       
  3968 			{
       
  3969 				nScrollBody.scrollTop = 0;
       
  3970 			}
       
  3971 		}
       
  3972 		
       
  3973 		/*
       
  3974 		 * Function: _fnAjustColumnSizing
       
  3975 		 * Purpose:  Ajust the table column widths for new data
       
  3976 		 * Returns:  -
       
  3977 		 * Inputs:   object:oSettings - dataTables settings object
       
  3978 		 * Notes:    You would probably want to do a redraw after calling this function!
       
  3979 		 */
       
  3980 		function _fnAjustColumnSizing ( oSettings )
       
  3981 		{
       
  3982 			/* Not interested in doing column width calculation if autowidth is disabled */
       
  3983 			if ( oSettings.oFeatures.bAutoWidth === false )
       
  3984 			{
       
  3985 				return false;
       
  3986 			}
       
  3987 			
       
  3988 			_fnCalculateColumnWidths( oSettings );
       
  3989 			for ( var i=0 , iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
       
  3990 			{
       
  3991 				oSettings.aoColumns[i].nTh.style.width = oSettings.aoColumns[i].sWidth;
       
  3992 			}
       
  3993 		}
       
  3994 		
       
  3995 		
       
  3996 		/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
       
  3997 		 * Section - Feature: Filtering
       
  3998 		 */
       
  3999 		
       
  4000 		/*
       
  4001 		 * Function: _fnFeatureHtmlFilter
       
  4002 		 * Purpose:  Generate the node required for filtering text
       
  4003 		 * Returns:  node
       
  4004 		 * Inputs:   object:oSettings - dataTables settings object
       
  4005 		 */
       
  4006 		function _fnFeatureHtmlFilter ( oSettings )
       
  4007 		{
       
  4008 			var nFilter = document.createElement( 'div' );
       
  4009 			if ( oSettings.sTableId !== '' && typeof oSettings.aanFeatures.f == "undefined" )
       
  4010 			{
       
  4011 				nFilter.setAttribute( 'id', oSettings.sTableId+'_filter' );
       
  4012 			}
       
  4013 			nFilter.className = oSettings.oClasses.sFilter;
       
  4014 			var sSpace = oSettings.oLanguage.sSearch==="" ? "" : " ";
       
  4015 			nFilter.innerHTML = oSettings.oLanguage.sSearch+sSpace+'<input type="text" />';
       
  4016 			
       
  4017 			var jqFilter = $("input", nFilter);
       
  4018 			jqFilter.val( oSettings.oPreviousSearch.sSearch.replace('"','&quot;') );
       
  4019 			jqFilter.bind( 'keyup.DT', function(e) {
       
  4020 				/* Update all other filter input elements for the new display */
       
  4021 				var n = oSettings.aanFeatures.f;
       
  4022 				for ( var i=0, iLen=n.length ; i<iLen ; i++ )
       
  4023 				{
       
  4024 					if ( n[i] != this.parentNode )
       
  4025 					{
       
  4026 						$('input', n[i]).val( this.value );
       
  4027 					}
       
  4028 				}
       
  4029 				
       
  4030 				/* Now do the filter */
       
  4031 				if ( this.value != oSettings.oPreviousSearch.sSearch )
       
  4032 				{
       
  4033 					_fnFilterComplete( oSettings, { 
       
  4034 						"sSearch": this.value, 
       
  4035 						"bRegex":  oSettings.oPreviousSearch.bRegex,
       
  4036 						"bSmart":  oSettings.oPreviousSearch.bSmart 
       
  4037 					} );
       
  4038 				}
       
  4039 			} );
       
  4040 			
       
  4041 			jqFilter.bind( 'keypress.DT', function(e) {
       
  4042 				/* Prevent default */
       
  4043 				if ( e.keyCode == 13 )
       
  4044 				{
       
  4045 					return false;
       
  4046 				}
       
  4047 			} );
       
  4048 			
       
  4049 			return nFilter;
       
  4050 		}
       
  4051 		
       
  4052 		/*
       
  4053 		 * Function: _fnFilterComplete
       
  4054 		 * Purpose:  Filter the table using both the global filter and column based filtering
       
  4055 		 * Returns:  -
       
  4056 		 * Inputs:   object:oSettings - dataTables settings object
       
  4057 		 *           object:oSearch: search information
       
  4058 		 *           int:iForce - optional - force a research of the master array (1) or not (undefined or 0)
       
  4059 		 */
       
  4060 		function _fnFilterComplete ( oSettings, oInput, iForce )
       
  4061 		{
       
  4062 			/* Filter on everything */
       
  4063 			_fnFilter( oSettings, oInput.sSearch, iForce, oInput.bRegex, oInput.bSmart );
       
  4064 			
       
  4065 			/* Now do the individual column filter */
       
  4066 			for ( var i=0 ; i<oSettings.aoPreSearchCols.length ; i++ )
       
  4067 			{
       
  4068 				_fnFilterColumn( oSettings, oSettings.aoPreSearchCols[i].sSearch, i, 
       
  4069 					oSettings.aoPreSearchCols[i].bRegex, oSettings.aoPreSearchCols[i].bSmart );
       
  4070 			}
       
  4071 			
       
  4072 			/* Custom filtering */
       
  4073 			if ( _oExt.afnFiltering.length !== 0 )
       
  4074 			{
       
  4075 				_fnFilterCustom( oSettings );
       
  4076 			}
       
  4077 			
       
  4078 			/* Tell the draw function we have been filtering */
       
  4079 			oSettings.bFiltered = true;
       
  4080 			
       
  4081 			/* Redraw the table */
       
  4082 			oSettings._iDisplayStart = 0;
       
  4083 			_fnCalculateEnd( oSettings );
       
  4084 			_fnDraw( oSettings );
       
  4085 			
       
  4086 			/* Rebuild search array 'offline' */
       
  4087 			_fnBuildSearchArray( oSettings, 0 );
       
  4088 		}
       
  4089 		
       
  4090 		/*
       
  4091 		 * Function: _fnFilterCustom
       
  4092 		 * Purpose:  Apply custom filtering functions
       
  4093 		 * Returns:  -
       
  4094 		 * Inputs:   object:oSettings - dataTables settings object
       
  4095 		 */
       
  4096 		function _fnFilterCustom( oSettings )
       
  4097 		{
       
  4098 			var afnFilters = _oExt.afnFiltering;
       
  4099 			for ( var i=0, iLen=afnFilters.length ; i<iLen ; i++ )
       
  4100 			{
       
  4101 				var iCorrector = 0;
       
  4102 				for ( var j=0, jLen=oSettings.aiDisplay.length ; j<jLen ; j++ )
       
  4103 				{
       
  4104 					var iDisIndex = oSettings.aiDisplay[j-iCorrector];
       
  4105 					
       
  4106 					/* Check if we should use this row based on the filtering function */
       
  4107 					if ( !afnFilters[i]( oSettings, oSettings.aoData[iDisIndex]._aData, iDisIndex ) )
       
  4108 					{
       
  4109 						oSettings.aiDisplay.splice( j-iCorrector, 1 );
       
  4110 						iCorrector++;
       
  4111 					}
       
  4112 				}
       
  4113 			}
       
  4114 		}
       
  4115 		
       
  4116 		/*
       
  4117 		 * Function: _fnFilterColumn
       
  4118 		 * Purpose:  Filter the table on a per-column basis
       
  4119 		 * Returns:  -
       
  4120 		 * Inputs:   object:oSettings - dataTables settings object
       
  4121 		 *           string:sInput - string to filter on
       
  4122 		 *           int:iColumn - column to filter
       
  4123 		 *           bool:bRegex - treat search string as a regular expression or not
       
  4124 		 *           bool:bSmart - use smart filtering or not
       
  4125 		 */
       
  4126 		function _fnFilterColumn ( oSettings, sInput, iColumn, bRegex, bSmart )
       
  4127 		{
       
  4128 			if ( sInput === "" )
       
  4129 			{
       
  4130 				return;
       
  4131 			}
       
  4132 			
       
  4133 			var iIndexCorrector = 0;
       
  4134 			var rpSearch = _fnFilterCreateSearch( sInput, bRegex, bSmart );
       
  4135 			
       
  4136 			for ( var i=oSettings.aiDisplay.length-1 ; i>=0 ; i-- )
       
  4137 			{
       
  4138 				var sData = _fnDataToSearch( oSettings.aoData[ oSettings.aiDisplay[i] ]._aData[iColumn],
       
  4139 					oSettings.aoColumns[iColumn].sType );
       
  4140 				if ( ! rpSearch.test( sData ) )
       
  4141 				{
       
  4142 					oSettings.aiDisplay.splice( i, 1 );
       
  4143 					iIndexCorrector++;
       
  4144 				}
       
  4145 			}
       
  4146 		}
       
  4147 		
       
  4148 		/*
       
  4149 		 * Function: _fnFilter
       
  4150 		 * Purpose:  Filter the data table based on user input and draw the table
       
  4151 		 * Returns:  -
       
  4152 		 * Inputs:   object:oSettings - dataTables settings object
       
  4153 		 *           string:sInput - string to filter on
       
  4154 		 *           int:iForce - optional - force a research of the master array (1) or not (undefined or 0)
       
  4155 		 *           bool:bRegex - treat as a regular expression or not
       
  4156 		 *           bool:bSmart - perform smart filtering or not
       
  4157 		 */
       
  4158 		function _fnFilter( oSettings, sInput, iForce, bRegex, bSmart )
       
  4159 		{
       
  4160 			var i;
       
  4161 			var rpSearch = _fnFilterCreateSearch( sInput, bRegex, bSmart );
       
  4162 			
       
  4163 			/* Check if we are forcing or not - optional parameter */
       
  4164 			if ( typeof iForce == 'undefined' || iForce === null )
       
  4165 			{
       
  4166 				iForce = 0;
       
  4167 			}
       
  4168 			
       
  4169 			/* Need to take account of custom filtering functions - always filter */
       
  4170 			if ( _oExt.afnFiltering.length !== 0 )
       
  4171 			{
       
  4172 				iForce = 1;
       
  4173 			}
       
  4174 			
       
  4175 			/*
       
  4176 			 * If the input is blank - we want the full data set
       
  4177 			 */
       
  4178 			if ( sInput.length <= 0 )
       
  4179 			{
       
  4180 				oSettings.aiDisplay.splice( 0, oSettings.aiDisplay.length);
       
  4181 				oSettings.aiDisplay = oSettings.aiDisplayMaster.slice();
       
  4182 			}
       
  4183 			else
       
  4184 			{
       
  4185 				/*
       
  4186 				 * We are starting a new search or the new search string is smaller 
       
  4187 				 * then the old one (i.e. delete). Search from the master array
       
  4188 			 	 */
       
  4189 				if ( oSettings.aiDisplay.length == oSettings.aiDisplayMaster.length ||
       
  4190 					   oSettings.oPreviousSearch.sSearch.length > sInput.length || iForce == 1 ||
       
  4191 					   sInput.indexOf(oSettings.oPreviousSearch.sSearch) !== 0 )
       
  4192 				{
       
  4193 					/* Nuke the old display array - we are going to rebuild it */
       
  4194 					oSettings.aiDisplay.splice( 0, oSettings.aiDisplay.length);
       
  4195 					
       
  4196 					/* Force a rebuild of the search array */
       
  4197 					_fnBuildSearchArray( oSettings, 1 );
       
  4198 					
       
  4199 					/* Search through all records to populate the search array
       
  4200 					 * The the oSettings.aiDisplayMaster and asDataSearch arrays have 1 to 1 
       
  4201 					 * mapping
       
  4202 					 */
       
  4203 					for ( i=0 ; i<oSettings.aiDisplayMaster.length ; i++ )
       
  4204 					{
       
  4205 						if ( rpSearch.test(oSettings.asDataSearch[i]) )
       
  4206 						{
       
  4207 							oSettings.aiDisplay.push( oSettings.aiDisplayMaster[i] );
       
  4208 						}
       
  4209 					}
       
  4210 			  }
       
  4211 			  else
       
  4212 				{
       
  4213 			  	/* Using old search array - refine it - do it this way for speed
       
  4214 			  	 * Don't have to search the whole master array again
       
  4215 			 		 */
       
  4216 			  	var iIndexCorrector = 0;
       
  4217 			  	
       
  4218 			  	/* Search the current results */
       
  4219 			  	for ( i=0 ; i<oSettings.asDataSearch.length ; i++ )
       
  4220 					{
       
  4221 			  		if ( ! rpSearch.test(oSettings.asDataSearch[i]) )
       
  4222 						{
       
  4223 			  			oSettings.aiDisplay.splice( i-iIndexCorrector, 1 );
       
  4224 			  			iIndexCorrector++;
       
  4225 			  		}
       
  4226 			  	}
       
  4227 			  }
       
  4228 			}
       
  4229 			oSettings.oPreviousSearch.sSearch = sInput;
       
  4230 			oSettings.oPreviousSearch.bRegex = bRegex;
       
  4231 			oSettings.oPreviousSearch.bSmart = bSmart;
       
  4232 		}
       
  4233 		
       
  4234 		/*
       
  4235 		 * Function: _fnBuildSearchArray
       
  4236 		 * Purpose:  Create an array which can be quickly search through
       
  4237 		 * Returns:  -
       
  4238 		 * Inputs:   object:oSettings - dataTables settings object
       
  4239 		 *           int:iMaster - use the master data array - optional
       
  4240 		 */
       
  4241 		function _fnBuildSearchArray ( oSettings, iMaster )
       
  4242 		{
       
  4243 			/* Clear out the old data */
       
  4244 			oSettings.asDataSearch.splice( 0, oSettings.asDataSearch.length );
       
  4245 			
       
  4246 			var aArray = (typeof iMaster != 'undefined' && iMaster == 1) ?
       
  4247 			 	oSettings.aiDisplayMaster : oSettings.aiDisplay;
       
  4248 			
       
  4249 			for ( var i=0, iLen=aArray.length ; i<iLen ; i++ )
       
  4250 			{
       
  4251 				oSettings.asDataSearch[i] = _fnBuildSearchRow( oSettings, 
       
  4252 					oSettings.aoData[ aArray[i] ]._aData );
       
  4253 			}
       
  4254 		}
       
  4255 		
       
  4256 		/*
       
  4257 		 * Function: _fnBuildSearchRow
       
  4258 		 * Purpose:  Create a searchable string from a single data row
       
  4259 		 * Returns:  -
       
  4260 		 * Inputs:   object:oSettings - dataTables settings object
       
  4261 		 *           array:aData - aoData[]._aData array to use for the data to search
       
  4262 		 */
       
  4263 		function _fnBuildSearchRow( oSettings, aData )
       
  4264 		{
       
  4265 			var sSearch = '';
       
  4266 			var nTmp = document.createElement('div');
       
  4267 			
       
  4268 			for ( var j=0, jLen=oSettings.aoColumns.length ; j<jLen ; j++ )
       
  4269 			{
       
  4270 				if ( oSettings.aoColumns[j].bSearchable )
       
  4271 				{
       
  4272 					var sData = aData[j];
       
  4273 					sSearch += _fnDataToSearch( sData, oSettings.aoColumns[j].sType )+'  ';
       
  4274 				}
       
  4275 			}
       
  4276 			
       
  4277 			/* If it looks like there is an HTML entity in the string, attempt to decode it */
       
  4278 			if ( sSearch.indexOf('&') !== -1 )
       
  4279 			{
       
  4280 				nTmp.innerHTML = sSearch;
       
  4281 				sSearch = nTmp.textContent ? nTmp.textContent : nTmp.innerText;
       
  4282 				
       
  4283 				/* IE and Opera appear to put an newline where there is a <br> tag - remove it */
       
  4284 				sSearch = sSearch.replace(/\n/g," ").replace(/\r/g,"");
       
  4285 			}
       
  4286 			
       
  4287 			return sSearch;
       
  4288 		}
       
  4289 		
       
  4290 		/*
       
  4291 		 * Function: _fnFilterCreateSearch
       
  4292 		 * Purpose:  Build a regular expression object suitable for searching a table
       
  4293 		 * Returns:  RegExp: - constructed object
       
  4294 		 * Inputs:   string:sSearch - string to search for
       
  4295 		 *           bool:bRegex - treat as a regular expression or not
       
  4296 		 *           bool:bSmart - perform smart filtering or not
       
  4297 		 */
       
  4298 		function _fnFilterCreateSearch( sSearch, bRegex, bSmart )
       
  4299 		{
       
  4300 			var asSearch, sRegExpString;
       
  4301 			
       
  4302 			if ( bSmart )
       
  4303 			{
       
  4304 				/* Generate the regular expression to use. Something along the lines of:
       
  4305 				 * ^(?=.*?\bone\b)(?=.*?\btwo\b)(?=.*?\bthree\b).*$
       
  4306 				 */
       
  4307 				asSearch = bRegex ? sSearch.split( ' ' ) : _fnEscapeRegex( sSearch ).split( ' ' );
       
  4308 				sRegExpString = '^(?=.*?'+asSearch.join( ')(?=.*?' )+').*$';
       
  4309 				return new RegExp( sRegExpString, "i" );
       
  4310 			}
       
  4311 			else
       
  4312 			{
       
  4313 				sSearch = bRegex ? sSearch : _fnEscapeRegex( sSearch );
       
  4314 				return new RegExp( sSearch, "i" );
       
  4315 			}
       
  4316 		}
       
  4317 		
       
  4318 		/*
       
  4319 		 * Function: _fnDataToSearch
       
  4320 		 * Purpose:  Convert raw data into something that the user can search on
       
  4321 		 * Returns:  string: - search string
       
  4322 		 * Inputs:   string:sData - data to be modified
       
  4323 		 *           string:sType - data type
       
  4324 		 */
       
  4325 		function _fnDataToSearch ( sData, sType )
       
  4326 		{
       
  4327 			if ( typeof _oExt.ofnSearch[sType] == "function" )
       
  4328 			{
       
  4329 				return _oExt.ofnSearch[sType]( sData );
       
  4330 			}
       
  4331 			else if ( sType == "html" )
       
  4332 			{
       
  4333 				return sData.replace(/\n/g," ").replace( /<.*?>/g, "" );
       
  4334 			}
       
  4335 			else if ( typeof sData == "string" )
       
  4336 			{
       
  4337 				return sData.replace(/\n/g," ");
       
  4338 			}
       
  4339 			return sData;
       
  4340 		}
       
  4341 		
       
  4342 		
       
  4343 		/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
       
  4344 		 * Section - Feature: Sorting
       
  4345 		 */
       
  4346 		
       
  4347 		/*
       
  4348 	 	 * Function: _fnSort
       
  4349 		 * Purpose:  Change the order of the table
       
  4350 		 * Returns:  -
       
  4351 		 * Inputs:   object:oSettings - dataTables settings object
       
  4352 		 *           bool:bApplyClasses - optional - should we apply classes or not
       
  4353 		 * Notes:    We always sort the master array and then apply a filter again
       
  4354 		 *   if it is needed. This probably isn't optimal - but atm I can't think
       
  4355 		 *   of any other way which is (each has disadvantages). we want to sort aiDisplayMaster - 
       
  4356 		 *   but according to aoData[]._aData
       
  4357 		 */
       
  4358 		function _fnSort ( oSettings, bApplyClasses )
       
  4359 		{
       
  4360 			var
       
  4361 				iDataSort, iDataType,
       
  4362 				i, iLen, j, jLen,
       
  4363 				aaSort = [],
       
  4364 			 	aiOrig = [],
       
  4365 				oSort = _oExt.oSort,
       
  4366 				aoData = oSettings.aoData,
       
  4367 				aoColumns = oSettings.aoColumns;
       
  4368 			
       
  4369 			/* No sorting required if server-side or no sorting array */
       
  4370 			if ( !oSettings.oFeatures.bServerSide && 
       
  4371 				(oSettings.aaSorting.length !== 0 || oSettings.aaSortingFixed !== null) )
       
  4372 			{
       
  4373 				if ( oSettings.aaSortingFixed !== null )
       
  4374 				{
       
  4375 					aaSort = oSettings.aaSortingFixed.concat( oSettings.aaSorting );
       
  4376 				}
       
  4377 				else
       
  4378 				{
       
  4379 					aaSort = oSettings.aaSorting.slice();
       
  4380 				}
       
  4381 				
       
  4382 				/* If there is a sorting data type, and a fuction belonging to it, then we need to
       
  4383 				 * get the data from the developer's function and apply it for this column
       
  4384 				 */
       
  4385 				for ( i=0 ; i<aaSort.length ; i++ )
       
  4386 				{
       
  4387 					var iColumn = aaSort[i][0];
       
  4388 					var iVisColumn = _fnColumnIndexToVisible( oSettings, iColumn );
       
  4389 					var sDataType = oSettings.aoColumns[ iColumn ].sSortDataType;
       
  4390 					if ( typeof _oExt.afnSortData[sDataType] != 'undefined' )
       
  4391 					{
       
  4392 						var aData = _oExt.afnSortData[sDataType]( oSettings, iColumn, iVisColumn );
       
  4393 						for ( j=0, jLen=aoData.length ; j<jLen ; j++ )
       
  4394 						{
       
  4395 							aoData[j]._aData[iColumn] = aData[j];
       
  4396 						}
       
  4397 					}
       
  4398 				}
       
  4399 				
       
  4400 				/* Create a value - key array of the current row positions such that we can use their
       
  4401 				 * current position during the sort, if values match, in order to perform stable sorting
       
  4402 				 */
       
  4403 				for ( i=0, iLen=oSettings.aiDisplayMaster.length ; i<iLen ; i++ )
       
  4404 				{
       
  4405 					aiOrig[ oSettings.aiDisplayMaster[i] ] = i;
       
  4406 				}
       
  4407 				
       
  4408 				/* Do the sort - here we want multi-column sorting based on a given data source (column)
       
  4409 				 * and sorting function (from oSort) in a certain direction. It's reasonably complex to
       
  4410 				 * follow on it's own, but this is what we want (example two column sorting):
       
  4411 				 *  fnLocalSorting = function(a,b){
       
  4412 				 *  	var iTest;
       
  4413 				 *  	iTest = oSort['string-asc']('data11', 'data12');
       
  4414 				 *  	if (iTest !== 0)
       
  4415 				 *  		return iTest;
       
  4416 				 *    iTest = oSort['numeric-desc']('data21', 'data22');
       
  4417 				 *    if (iTest !== 0)
       
  4418 				 *  		return iTest;
       
  4419 				 *  	return oSort['numeric-asc']( aiOrig[a], aiOrig[b] );
       
  4420 				 *  }
       
  4421 				 * Basically we have a test for each sorting column, if the data in that column is equal,
       
  4422 				 * test the next column. If all columns match, then we use a numeric sort on the row 
       
  4423 				 * positions in the original data array to provide a stable sort.
       
  4424 				 */
       
  4425 				var iSortLen = aaSort.length;
       
  4426 				oSettings.aiDisplayMaster.sort( function ( a, b ) {
       
  4427 					var iTest;
       
  4428 					for ( i=0 ; i<iSortLen ; i++ )
       
  4429 					{
       
  4430 						iDataSort = aoColumns[ aaSort[i][0] ].iDataSort;
       
  4431 						iDataType = aoColumns[ iDataSort ].sType;
       
  4432 						iTest = oSort[ iDataType+"-"+aaSort[i][1] ](
       
  4433 							aoData[a]._aData[iDataSort],
       
  4434 							aoData[b]._aData[iDataSort]
       
  4435 						);
       
  4436 						
       
  4437 						if ( iTest !== 0 )
       
  4438 						{
       
  4439 							return iTest;
       
  4440 						}
       
  4441 					}
       
  4442 					
       
  4443 					return oSort['numeric-asc']( aiOrig[a], aiOrig[b] );
       
  4444 				} );
       
  4445 			}
       
  4446 			
       
  4447 			/* Alter the sorting classes to take account of the changes */
       
  4448 			if ( typeof bApplyClasses == 'undefined' || bApplyClasses )
       
  4449 			{
       
  4450 				_fnSortingClasses( oSettings );
       
  4451 			}
       
  4452 			
       
  4453 			/* Tell the draw function that we have sorted the data */
       
  4454 			oSettings.bSorted = true;
       
  4455 			
       
  4456 			/* Copy the master data into the draw array and re-draw */
       
  4457 			if ( oSettings.oFeatures.bFilter )
       
  4458 			{
       
  4459 				/* _fnFilter() will redraw the table for us */
       
  4460 				_fnFilterComplete( oSettings, oSettings.oPreviousSearch, 1 );
       
  4461 			}
       
  4462 			else
       
  4463 			{
       
  4464 				oSettings.aiDisplay = oSettings.aiDisplayMaster.slice();
       
  4465 				oSettings._iDisplayStart = 0; /* reset display back to page 0 */
       
  4466 				_fnCalculateEnd( oSettings );
       
  4467 				_fnDraw( oSettings );
       
  4468 			}
       
  4469 		}
       
  4470 		
       
  4471 		/*
       
  4472 		 * Function: _fnSortAttachListener
       
  4473 		 * Purpose:  Attach a sort handler (click) to a node
       
  4474 		 * Returns:  -
       
  4475 		 * Inputs:   object:oSettings - dataTables settings object
       
  4476 		 *           node:nNode - node to attach the handler to
       
  4477 		 *           int:iDataIndex - column sorting index
       
  4478 		 *           function:fnCallback - callback function - optional
       
  4479 		 */
       
  4480 		function _fnSortAttachListener ( oSettings, nNode, iDataIndex, fnCallback )
       
  4481 		{
       
  4482 			$(nNode).bind( 'click.DT', function (e) {
       
  4483 				/* If the column is not sortable - don't to anything */
       
  4484 				if ( oSettings.aoColumns[iDataIndex].bSortable === false )
       
  4485 				{
       
  4486 					return;
       
  4487 				}
       
  4488 				
       
  4489 				/*
       
  4490 				 * This is a little bit odd I admit... I declare a temporary function inside the scope of
       
  4491 				 * _fnDrawHead and the click handler in order that the code presented here can be used 
       
  4492 				 * twice - once for when bProcessing is enabled, and another time for when it is 
       
  4493 				 * disabled, as we need to perform slightly different actions.
       
  4494 				 *   Basically the issue here is that the Javascript engine in modern browsers don't 
       
  4495 				 * appear to allow the rendering engine to update the display while it is still excuting
       
  4496 				 * it's thread (well - it does but only after long intervals). This means that the 
       
  4497 				 * 'processing' display doesn't appear for a table sort. To break the js thread up a bit
       
  4498 				 * I force an execution break by using setTimeout - but this breaks the expected 
       
  4499 				 * thread continuation for the end-developer's point of view (their code would execute
       
  4500 				 * too early), so we on;y do it when we absolutely have to.
       
  4501 				 */
       
  4502 				var fnInnerSorting = function () {
       
  4503 					var iColumn, iNextSort;
       
  4504 					
       
  4505 					/* If the shift key is pressed then we are multipe column sorting */
       
  4506 					if ( e.shiftKey )
       
  4507 					{
       
  4508 						/* Are we already doing some kind of sort on this column? */
       
  4509 						var bFound = false;
       
  4510 						for ( var i=0 ; i<oSettings.aaSorting.length ; i++ )
       
  4511 						{
       
  4512 							if ( oSettings.aaSorting[i][0] == iDataIndex )
       
  4513 							{
       
  4514 								bFound = true;
       
  4515 								iColumn = oSettings.aaSorting[i][0];
       
  4516 								iNextSort = oSettings.aaSorting[i][2]+1;
       
  4517 								
       
  4518 								if ( typeof oSettings.aoColumns[iColumn].asSorting[iNextSort] == 'undefined' )
       
  4519 								{
       
  4520 									/* Reached the end of the sorting options, remove from multi-col sort */
       
  4521 									oSettings.aaSorting.splice( i, 1 );
       
  4522 								}
       
  4523 								else
       
  4524 								{
       
  4525 									/* Move onto next sorting direction */
       
  4526 									oSettings.aaSorting[i][1] = oSettings.aoColumns[iColumn].asSorting[iNextSort];
       
  4527 									oSettings.aaSorting[i][2] = iNextSort;
       
  4528 								}
       
  4529 								break;
       
  4530 							}
       
  4531 						}
       
  4532 						
       
  4533 						/* No sort yet - add it in */
       
  4534 						if ( bFound === false )
       
  4535 						{
       
  4536 							oSettings.aaSorting.push( [ iDataIndex, 
       
  4537 								oSettings.aoColumns[iDataIndex].asSorting[0], 0 ] );
       
  4538 						}
       
  4539 					}
       
  4540 					else
       
  4541 					{
       
  4542 						/* If no shift key then single column sort */
       
  4543 						if ( oSettings.aaSorting.length == 1 && oSettings.aaSorting[0][0] == iDataIndex )
       
  4544 						{
       
  4545 							iColumn = oSettings.aaSorting[0][0];
       
  4546 							iNextSort = oSettings.aaSorting[0][2]+1;
       
  4547 							if ( typeof oSettings.aoColumns[iColumn].asSorting[iNextSort] == 'undefined' )
       
  4548 							{
       
  4549 								iNextSort = 0;
       
  4550 							}
       
  4551 							oSettings.aaSorting[0][1] = oSettings.aoColumns[iColumn].asSorting[iNextSort];
       
  4552 							oSettings.aaSorting[0][2] = iNextSort;
       
  4553 						}
       
  4554 						else
       
  4555 						{
       
  4556 							oSettings.aaSorting.splice( 0, oSettings.aaSorting.length );
       
  4557 							oSettings.aaSorting.push( [ iDataIndex, 
       
  4558 								oSettings.aoColumns[iDataIndex].asSorting[0], 0 ] );
       
  4559 						}
       
  4560 					}
       
  4561 					
       
  4562 					/* Run the sort */
       
  4563 					_fnSort( oSettings );
       
  4564 				}; /* /fnInnerSorting */
       
  4565 				
       
  4566 				if ( !oSettings.oFeatures.bProcessing )
       
  4567 				{
       
  4568 					fnInnerSorting();
       
  4569 				}
       
  4570 				else
       
  4571 				{
       
  4572 					_fnProcessingDisplay( oSettings, true );
       
  4573 					setTimeout( function() {
       
  4574 						fnInnerSorting();
       
  4575 						if ( !oSettings.oFeatures.bServerSide )
       
  4576 						{
       
  4577 							_fnProcessingDisplay( oSettings, false );
       
  4578 						}
       
  4579 					}, 0 );
       
  4580 				}
       
  4581 				
       
  4582 				/* Call the user specified callback function - used for async user interaction */
       
  4583 				if ( typeof fnCallback == 'function' )
       
  4584 				{
       
  4585 					fnCallback( oSettings );
       
  4586 				}
       
  4587 			} );
       
  4588 		}
       
  4589 		
       
  4590 		/*
       
  4591 		 * Function: _fnSortingClasses
       
  4592 		 * Purpose:  Set the sortting classes on the header
       
  4593 		 * Returns:  -
       
  4594 		 * Inputs:   object:oSettings - dataTables settings object
       
  4595 		 * Notes:    It is safe to call this function when bSort and bSortClasses are false
       
  4596 		 */
       
  4597 		function _fnSortingClasses( oSettings )
       
  4598 		{
       
  4599 			var i, iLen, j, jLen, iFound;
       
  4600 			var aaSort, sClass;
       
  4601 			var iColumns = oSettings.aoColumns.length;
       
  4602 			var oClasses = oSettings.oClasses;
       
  4603 			
       
  4604 			for ( i=0 ; i<iColumns ; i++ )
       
  4605 			{
       
  4606 				if ( oSettings.aoColumns[i].bSortable )
       
  4607 				{
       
  4608 					$(oSettings.aoColumns[i].nTh).removeClass( oClasses.sSortAsc +" "+ oClasses.sSortDesc +
       
  4609 				 		" "+ oSettings.aoColumns[i].sSortingClass );
       
  4610 				}
       
  4611 			}
       
  4612 			
       
  4613 			if ( oSettings.aaSortingFixed !== null )
       
  4614 			{
       
  4615 				aaSort = oSettings.aaSortingFixed.concat( oSettings.aaSorting );
       
  4616 			}
       
  4617 			else
       
  4618 			{
       
  4619 				aaSort = oSettings.aaSorting.slice();
       
  4620 			}
       
  4621 			
       
  4622 			/* Apply the required classes to the header */
       
  4623 			for ( i=0 ; i<oSettings.aoColumns.length ; i++ )
       
  4624 			{
       
  4625 				if ( oSettings.aoColumns[i].bSortable )
       
  4626 				{
       
  4627 					sClass = oSettings.aoColumns[i].sSortingClass;
       
  4628 					iFound = -1;
       
  4629 					for ( j=0 ; j<aaSort.length ; j++ )
       
  4630 					{
       
  4631 						if ( aaSort[j][0] == i )
       
  4632 						{
       
  4633 							sClass = ( aaSort[j][1] == "asc" ) ?
       
  4634 								oClasses.sSortAsc : oClasses.sSortDesc;
       
  4635 							iFound = j;
       
  4636 							break;
       
  4637 						}
       
  4638 					}
       
  4639 					$(oSettings.aoColumns[i].nTh).addClass( sClass );
       
  4640 					
       
  4641 					if ( oSettings.bJUI )
       
  4642 					{
       
  4643 						/* jQuery UI uses extra markup */
       
  4644 						var jqSpan = $("span", oSettings.aoColumns[i].nTh);
       
  4645 						jqSpan.removeClass(oClasses.sSortJUIAsc +" "+ oClasses.sSortJUIDesc +" "+ 
       
  4646 							oClasses.sSortJUI +" "+ oClasses.sSortJUIAscAllowed +" "+ oClasses.sSortJUIDescAllowed );
       
  4647 						
       
  4648 						var sSpanClass;
       
  4649 						if ( iFound == -1 )
       
  4650 						{
       
  4651 						 	sSpanClass = oSettings.aoColumns[i].sSortingClassJUI;
       
  4652 						}
       
  4653 						else if ( aaSort[iFound][1] == "asc" )
       
  4654 						{
       
  4655 							sSpanClass = oClasses.sSortJUIAsc;
       
  4656 						}
       
  4657 						else
       
  4658 						{
       
  4659 							sSpanClass = oClasses.sSortJUIDesc;
       
  4660 						}
       
  4661 						
       
  4662 						jqSpan.addClass( sSpanClass );
       
  4663 					}
       
  4664 				}
       
  4665 				else
       
  4666 				{
       
  4667 					/* No sorting on this column, so add the base class. This will have been assigned by
       
  4668 					 * _fnAddColumn
       
  4669 					 */
       
  4670 					$(oSettings.aoColumns[i].nTh).addClass( oSettings.aoColumns[i].sSortingClass );
       
  4671 				}
       
  4672 			}
       
  4673 			
       
  4674 			/* 
       
  4675 			 * Apply the required classes to the table body
       
  4676 			 * Note that this is given as a feature switch since it can significantly slow down a sort
       
  4677 			 * on large data sets (adding and removing of classes is always slow at the best of times..)
       
  4678 			 * Further to this, note that this code is admitadly fairly ugly. It could be made a lot 
       
  4679 			 * simpiler using jQuery selectors and add/removeClass, but that is significantly slower
       
  4680 			 * (on the order of 5 times slower) - hence the direct DOM manipulation here.
       
  4681 			 */
       
  4682 			sClass = oClasses.sSortColumn;
       
  4683 			
       
  4684 			if ( oSettings.oFeatures.bSort && oSettings.oFeatures.bSortClasses )
       
  4685 			{
       
  4686 				var nTds = _fnGetTdNodes( oSettings );
       
  4687 				
       
  4688 				/* Remove the old classes */
       
  4689 				if ( nTds.length >= iColumns )
       
  4690 				{
       
  4691 					for ( i=0 ; i<iColumns ; i++ )
       
  4692 					{
       
  4693 						if ( nTds[i].className.indexOf(sClass+"1") != -1 )
       
  4694 						{
       
  4695 							for ( j=0, jLen=(nTds.length/iColumns) ; j<jLen ; j++ )
       
  4696 							{
       
  4697 								nTds[(iColumns*j)+i].className = 
       
  4698 									$.trim( nTds[(iColumns*j)+i].className.replace( sClass+"1", "" ) );
       
  4699 							}
       
  4700 						}
       
  4701 						else if ( nTds[i].className.indexOf(sClass+"2") != -1 )
       
  4702 						{
       
  4703 							for ( j=0, jLen=(nTds.length/iColumns) ; j<jLen ; j++ )
       
  4704 							{
       
  4705 								nTds[(iColumns*j)+i].className = 
       
  4706 									$.trim( nTds[(iColumns*j)+i].className.replace( sClass+"2", "" ) );
       
  4707 							}
       
  4708 						}
       
  4709 						else if ( nTds[i].className.indexOf(sClass+"3") != -1 )
       
  4710 						{
       
  4711 							for ( j=0, jLen=(nTds.length/iColumns) ; j<jLen ; j++ )
       
  4712 							{
       
  4713 								nTds[(iColumns*j)+i].className = 
       
  4714 									$.trim( nTds[(iColumns*j)+i].className.replace( " "+sClass+"3", "" ) );
       
  4715 							}
       
  4716 						}
       
  4717 					}
       
  4718 				}
       
  4719 				
       
  4720 				/* Add the new classes to the table */
       
  4721 				var iClass = 1, iTargetCol;
       
  4722 				for ( i=0 ; i<aaSort.length ; i++ )
       
  4723 				{
       
  4724 					iTargetCol = parseInt( aaSort[i][0], 10 );
       
  4725 					for ( j=0, jLen=(nTds.length/iColumns) ; j<jLen ; j++ )
       
  4726 					{
       
  4727 						nTds[(iColumns*j)+iTargetCol].className += " "+sClass+iClass;
       
  4728 					}
       
  4729 					
       
  4730 					if ( iClass < 3 )
       
  4731 					{
       
  4732 						iClass++;
       
  4733 					}
       
  4734 				}
       
  4735 			}
       
  4736 		}
       
  4737 		
       
  4738 		
       
  4739 		/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
       
  4740 		 * Section - Feature: Pagination. Note that most of the paging logic is done in 
       
  4741 		 * _oExt.oPagination
       
  4742 		 */
       
  4743 		
       
  4744 		/*
       
  4745 		 * Function: _fnFeatureHtmlPaginate
       
  4746 		 * Purpose:  Generate the node required for default pagination
       
  4747 		 * Returns:  node
       
  4748 		 * Inputs:   object:oSettings - dataTables settings object
       
  4749 		 */
       
  4750 		function _fnFeatureHtmlPaginate ( oSettings )
       
  4751 		{
       
  4752 			if ( oSettings.oScroll.bInfinite )
       
  4753 			{
       
  4754 				return null;
       
  4755 			}
       
  4756 			
       
  4757 			var nPaginate = document.createElement( 'div' );
       
  4758 			nPaginate.className = oSettings.oClasses.sPaging+oSettings.sPaginationType;
       
  4759 			
       
  4760 			_oExt.oPagination[ oSettings.sPaginationType ].fnInit( oSettings, nPaginate, 
       
  4761 				function( oSettings ) {
       
  4762 					_fnCalculateEnd( oSettings );
       
  4763 					_fnDraw( oSettings );
       
  4764 				}
       
  4765 			);
       
  4766 			
       
  4767 			/* Add a draw callback for the pagination on first instance, to update the paging display */
       
  4768 			if ( typeof oSettings.aanFeatures.p == "undefined" )
       
  4769 			{
       
  4770 				oSettings.aoDrawCallback.push( {
       
  4771 					"fn": function( oSettings ) {
       
  4772 						_oExt.oPagination[ oSettings.sPaginationType ].fnUpdate( oSettings, function( oSettings ) {
       
  4773 							_fnCalculateEnd( oSettings );
       
  4774 							_fnDraw( oSettings );
       
  4775 						} );
       
  4776 					},
       
  4777 					"sName": "pagination"
       
  4778 				} );
       
  4779 			}
       
  4780 			return nPaginate;
       
  4781 		}
       
  4782 		
       
  4783 		/*
       
  4784 		 * Function: _fnPageChange
       
  4785 		 * Purpose:  Alter the display settings to change the page
       
  4786 		 * Returns:  bool:true - page has changed, false - no change (no effect) eg 'first' on page 1
       
  4787 		 * Inputs:   object:oSettings - dataTables settings object
       
  4788 		 *           string:sAction - paging action to take: "first", "previous", "next" or "last"
       
  4789 		 */
       
  4790 		function _fnPageChange ( oSettings, sAction )
       
  4791 		{
       
  4792 			var iOldStart = oSettings._iDisplayStart;
       
  4793 			
       
  4794 			if ( sAction == "first" )
       
  4795 			{
       
  4796 				oSettings._iDisplayStart = 0;
       
  4797 			}
       
  4798 			else if ( sAction == "previous" )
       
  4799 			{
       
  4800 				oSettings._iDisplayStart = oSettings._iDisplayLength>=0 ?
       
  4801 					oSettings._iDisplayStart - oSettings._iDisplayLength :
       
  4802 					0;
       
  4803 				
       
  4804 				/* Correct for underrun */
       
  4805 				if ( oSettings._iDisplayStart < 0 )
       
  4806 				{
       
  4807 				  oSettings._iDisplayStart = 0;
       
  4808 				}
       
  4809 			}
       
  4810 			else if ( sAction == "next" )
       
  4811 			{
       
  4812 				if ( oSettings._iDisplayLength >= 0 )
       
  4813 				{
       
  4814 					/* Make sure we are not over running the display array */
       
  4815 					if ( oSettings._iDisplayStart + oSettings._iDisplayLength < oSettings.fnRecordsDisplay() )
       
  4816 					{
       
  4817 						oSettings._iDisplayStart += oSettings._iDisplayLength;
       
  4818 					}
       
  4819 				}
       
  4820 				else
       
  4821 				{
       
  4822 					oSettings._iDisplayStart = 0;
       
  4823 				}
       
  4824 			}
       
  4825 			else if ( sAction == "last" )
       
  4826 			{
       
  4827 				if ( oSettings._iDisplayLength >= 0 )
       
  4828 				{
       
  4829 					var iPages = parseInt( (oSettings.fnRecordsDisplay()-1) / oSettings._iDisplayLength, 10 ) + 1;
       
  4830 					oSettings._iDisplayStart = (iPages-1) * oSettings._iDisplayLength;
       
  4831 				}
       
  4832 				else
       
  4833 				{
       
  4834 					oSettings._iDisplayStart = 0;
       
  4835 				}
       
  4836 			}
       
  4837 			else
       
  4838 			{
       
  4839 				_fnLog( oSettings, 0, "Unknown paging action: "+sAction );
       
  4840 			}
       
  4841 			
       
  4842 			return iOldStart != oSettings._iDisplayStart;
       
  4843 		}
       
  4844 		
       
  4845 		
       
  4846 		/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
       
  4847 		 * Section - Feature: HTML info
       
  4848 		 */
       
  4849 		
       
  4850 		/*
       
  4851 		 * Function: _fnFeatureHtmlInfo
       
  4852 		 * Purpose:  Generate the node required for the info display
       
  4853 		 * Returns:  node
       
  4854 		 * Inputs:   object:oSettings - dataTables settings object
       
  4855 		 */
       
  4856 		function _fnFeatureHtmlInfo ( oSettings )
       
  4857 		{
       
  4858 			var nInfo = document.createElement( 'div' );
       
  4859 			nInfo.className = oSettings.oClasses.sInfo;
       
  4860 			
       
  4861 			/* Actions that are to be taken once only for this feature */
       
  4862 			if ( typeof oSettings.aanFeatures.i == "undefined" )
       
  4863 			{
       
  4864 				/* Add draw callback */
       
  4865 				oSettings.aoDrawCallback.push( {
       
  4866 					"fn": _fnUpdateInfo,
       
  4867 					"sName": "information"
       
  4868 				} );
       
  4869 				
       
  4870 				/* Add id */
       
  4871 				if ( oSettings.sTableId !== '' )
       
  4872 				{
       
  4873 					nInfo.setAttribute( 'id', oSettings.sTableId+'_info' );
       
  4874 				}
       
  4875 			}
       
  4876 			
       
  4877 			return nInfo;
       
  4878 		}
       
  4879 		
       
  4880 		/*
       
  4881 		 * Function: _fnUpdateInfo
       
  4882 		 * Purpose:  Update the information elements in the display
       
  4883 		 * Returns:  -
       
  4884 		 * Inputs:   object:oSettings - dataTables settings object
       
  4885 		 */
       
  4886 		function _fnUpdateInfo ( oSettings )
       
  4887 		{
       
  4888 			/* Show information about the table */
       
  4889 			if ( !oSettings.oFeatures.bInfo || oSettings.aanFeatures.i.length === 0 )
       
  4890 			{
       
  4891 				return;
       
  4892 			}
       
  4893 			
       
  4894 			var
       
  4895 				iStart = oSettings._iDisplayStart+1, iEnd = oSettings.fnDisplayEnd(),
       
  4896 				iMax = oSettings.fnRecordsTotal(), iTotal = oSettings.fnRecordsDisplay(),
       
  4897 				sStart = oSettings.fnFormatNumber( iStart ), sEnd = oSettings.fnFormatNumber( iEnd ),
       
  4898 				sMax = oSettings.fnFormatNumber( iMax ), sTotal = oSettings.fnFormatNumber( iTotal ),
       
  4899 				sOut;
       
  4900 			
       
  4901 			/* When infinite scrolling, we are always starting at 1. _iDisplayStart is used only
       
  4902 			 * internally
       
  4903 			 */
       
  4904 			if ( oSettings.oScroll.bInfinite )
       
  4905 			{
       
  4906 				sStart = oSettings.fnFormatNumber( 1 );
       
  4907 			}
       
  4908 			
       
  4909 			if ( oSettings.fnRecordsDisplay() === 0 && 
       
  4910 				   oSettings.fnRecordsDisplay() == oSettings.fnRecordsTotal() )
       
  4911 			{
       
  4912 				/* Empty record set */
       
  4913 				sOut = oSettings.oLanguage.sInfoEmpty+ oSettings.oLanguage.sInfoPostFix;
       
  4914 			}
       
  4915 			else if ( oSettings.fnRecordsDisplay() === 0 )
       
  4916 			{
       
  4917 				/* Rmpty record set after filtering */
       
  4918 				sOut = oSettings.oLanguage.sInfoEmpty +' '+ 
       
  4919 					oSettings.oLanguage.sInfoFiltered.replace('_MAX_', sMax)+
       
  4920 						oSettings.oLanguage.sInfoPostFix;
       
  4921 			}
       
  4922 			else if ( oSettings.fnRecordsDisplay() == oSettings.fnRecordsTotal() )
       
  4923 			{
       
  4924 				/* Normal record set */
       
  4925 				sOut = oSettings.oLanguage.sInfo.
       
  4926 						replace('_START_', sStart).
       
  4927 						replace('_END_',   sEnd).
       
  4928 						replace('_TOTAL_', sTotal)+ 
       
  4929 					oSettings.oLanguage.sInfoPostFix;
       
  4930 			}
       
  4931 			else
       
  4932 			{
       
  4933 				/* Record set after filtering */
       
  4934 				sOut = oSettings.oLanguage.sInfo.
       
  4935 						replace('_START_', sStart).
       
  4936 						replace('_END_',   sEnd).
       
  4937 						replace('_TOTAL_', sTotal) +' '+ 
       
  4938 					oSettings.oLanguage.sInfoFiltered.replace('_MAX_', 
       
  4939 						oSettings.fnFormatNumber(oSettings.fnRecordsTotal()))+ 
       
  4940 					oSettings.oLanguage.sInfoPostFix;
       
  4941 			}
       
  4942 			
       
  4943 			if ( oSettings.oLanguage.fnInfoCallback !== null )
       
  4944 			{
       
  4945 				sOut = oSettings.oLanguage.fnInfoCallback( oSettings, iStart, iEnd, iMax, iTotal, sOut );
       
  4946 			}
       
  4947 			
       
  4948 			var n = oSettings.aanFeatures.i;
       
  4949 			for ( var i=0, iLen=n.length ; i<iLen ; i++ )
       
  4950 			{
       
  4951 				$(n[i]).html( sOut );
       
  4952 			}
       
  4953 		}
       
  4954 		
       
  4955 		
       
  4956 		/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
       
  4957 		 * Section - Feature: Length change
       
  4958 		 */
       
  4959 		
       
  4960 		/*
       
  4961 		 * Function: _fnFeatureHtmlLength
       
  4962 		 * Purpose:  Generate the node required for user display length changing
       
  4963 		 * Returns:  node
       
  4964 		 * Inputs:   object:oSettings - dataTables settings object
       
  4965 		 */
       
  4966 		function _fnFeatureHtmlLength ( oSettings )
       
  4967 		{
       
  4968 			if ( oSettings.oScroll.bInfinite )
       
  4969 			{
       
  4970 				return null;
       
  4971 			}
       
  4972 			
       
  4973 			/* This can be overruled by not using the _MENU_ var/macro in the language variable */
       
  4974 			var sName = (oSettings.sTableId === "") ? "" : 'name="'+oSettings.sTableId+'_length"';
       
  4975 			var sStdMenu = '<select size="1" '+sName+'>';
       
  4976 			var i, iLen;
       
  4977 			
       
  4978 			if ( oSettings.aLengthMenu.length == 2 && typeof oSettings.aLengthMenu[0] == 'object' && 
       
  4979 					typeof oSettings.aLengthMenu[1] == 'object' )
       
  4980 			{
       
  4981 				for ( i=0, iLen=oSettings.aLengthMenu[0].length ; i<iLen ; i++ )
       
  4982 				{
       
  4983 					sStdMenu += '<option value="'+oSettings.aLengthMenu[0][i]+'">'+
       
  4984 						oSettings.aLengthMenu[1][i]+'</option>';
       
  4985 				}
       
  4986 			}
       
  4987 			else
       
  4988 			{
       
  4989 				for ( i=0, iLen=oSettings.aLengthMenu.length ; i<iLen ; i++ )
       
  4990 				{
       
  4991 					sStdMenu += '<option value="'+oSettings.aLengthMenu[i]+'">'+
       
  4992 						oSettings.aLengthMenu[i]+'</option>';
       
  4993 				}
       
  4994 			}
       
  4995 			sStdMenu += '</select>';
       
  4996 			
       
  4997 			var nLength = document.createElement( 'div' );
       
  4998 			if ( oSettings.sTableId !== '' && typeof oSettings.aanFeatures.l == "undefined" )
       
  4999 			{
       
  5000 				nLength.setAttribute( 'id', oSettings.sTableId+'_length' );
       
  5001 			}
       
  5002 			nLength.className = oSettings.oClasses.sLength;
       
  5003 			nLength.innerHTML = oSettings.oLanguage.sLengthMenu.replace( '_MENU_', sStdMenu );
       
  5004 			
       
  5005 			/*
       
  5006 			 * Set the length to the current display length - thanks to Andrea Pavlovic for this fix,
       
  5007 			 * and Stefan Skopnik for fixing the fix!
       
  5008 			 */
       
  5009 			$('select option[value="'+oSettings._iDisplayLength+'"]',nLength).attr("selected",true);
       
  5010 			
       
  5011 			$('select', nLength).bind( 'change.DT', function(e) {
       
  5012 				var iVal = $(this).val();
       
  5013 				
       
  5014 				/* Update all other length options for the new display */
       
  5015 				var n = oSettings.aanFeatures.l;
       
  5016 				for ( i=0, iLen=n.length ; i<iLen ; i++ )
       
  5017 				{
       
  5018 					if ( n[i] != this.parentNode )
       
  5019 					{
       
  5020 						$('select', n[i]).val( iVal );
       
  5021 					}
       
  5022 				}
       
  5023 				
       
  5024 				/* Redraw the table */
       
  5025 				oSettings._iDisplayLength = parseInt(iVal, 10);
       
  5026 				_fnCalculateEnd( oSettings );
       
  5027 				
       
  5028 				/* If we have space to show extra rows (backing up from the end point - then do so */
       
  5029 				if ( oSettings.fnDisplayEnd() == oSettings.fnRecordsDisplay() )
       
  5030 				{
       
  5031 					oSettings._iDisplayStart = oSettings.fnDisplayEnd() - oSettings._iDisplayLength;
       
  5032 					if ( oSettings._iDisplayStart < 0 )
       
  5033 					{
       
  5034 						oSettings._iDisplayStart = 0;
       
  5035 					}
       
  5036 				}
       
  5037 				
       
  5038 				if ( oSettings._iDisplayLength == -1 )
       
  5039 				{
       
  5040 					oSettings._iDisplayStart = 0;
       
  5041 				}
       
  5042 				
       
  5043 				_fnDraw( oSettings );
       
  5044 			} );
       
  5045 			
       
  5046 			return nLength;
       
  5047 		}
       
  5048 		
       
  5049 		
       
  5050 		/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
       
  5051 		 * Section - Feature: Processing incidator
       
  5052 		 */
       
  5053 		
       
  5054 		/*
       
  5055 		 * Function: _fnFeatureHtmlProcessing
       
  5056 		 * Purpose:  Generate the node required for the processing node
       
  5057 		 * Returns:  node
       
  5058 		 * Inputs:   object:oSettings - dataTables settings object
       
  5059 		 */
       
  5060 		function _fnFeatureHtmlProcessing ( oSettings )
       
  5061 		{
       
  5062 			var nProcessing = document.createElement( 'div' );
       
  5063 			
       
  5064 			if ( oSettings.sTableId !== '' && typeof oSettings.aanFeatures.r == "undefined" )
       
  5065 			{
       
  5066 				nProcessing.setAttribute( 'id', oSettings.sTableId+'_processing' );
       
  5067 			}
       
  5068 			nProcessing.innerHTML = oSettings.oLanguage.sProcessing;
       
  5069 			nProcessing.className = oSettings.oClasses.sProcessing;
       
  5070 			oSettings.nTable.parentNode.insertBefore( nProcessing, oSettings.nTable );
       
  5071 			
       
  5072 			return nProcessing;
       
  5073 		}
       
  5074 		
       
  5075 		/*
       
  5076 		 * Function: _fnProcessingDisplay
       
  5077 		 * Purpose:  Display or hide the processing indicator
       
  5078 		 * Returns:  -
       
  5079 		 * Inputs:   object:oSettings - dataTables settings object
       
  5080 		 *           bool:
       
  5081 		 *   true - show the processing indicator
       
  5082 		 *   false - don't show
       
  5083 		 */
       
  5084 		function _fnProcessingDisplay ( oSettings, bShow )
       
  5085 		{
       
  5086 			if ( oSettings.oFeatures.bProcessing )
       
  5087 			{
       
  5088 				var an = oSettings.aanFeatures.r;
       
  5089 				for ( var i=0, iLen=an.length ; i<iLen ; i++ )
       
  5090 				{
       
  5091 					an[i].style.visibility = bShow ? "visible" : "hidden";
       
  5092 				}
       
  5093 			}
       
  5094 		}
       
  5095 		
       
  5096 		
       
  5097 		/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
       
  5098 		 * Section - Support functions
       
  5099 		 */
       
  5100 		
       
  5101 		/*
       
  5102 		 * Function: _fnVisibleToColumnIndex
       
  5103 		 * Purpose:  Covert the index of a visible column to the index in the data array (take account
       
  5104 		 *   of hidden columns)
       
  5105 		 * Returns:  int:i - the data index
       
  5106 		 * Inputs:   object:oSettings - dataTables settings object
       
  5107 		 */
       
  5108 		function _fnVisibleToColumnIndex( oSettings, iMatch )
       
  5109 		{
       
  5110 			var iColumn = -1;
       
  5111 			
       
  5112 			for ( var i=0 ; i<oSettings.aoColumns.length ; i++ )
       
  5113 			{
       
  5114 				if ( oSettings.aoColumns[i].bVisible === true )
       
  5115 				{
       
  5116 					iColumn++;
       
  5117 				}
       
  5118 				
       
  5119 				if ( iColumn == iMatch )
       
  5120 				{
       
  5121 					return i;
       
  5122 				}
       
  5123 			}
       
  5124 			
       
  5125 			return null;
       
  5126 		}
       
  5127 		
       
  5128 		/*
       
  5129 		 * Function: _fnColumnIndexToVisible
       
  5130 		 * Purpose:  Covert the index of an index in the data array and convert it to the visible
       
  5131 		 *   column index (take account of hidden columns)
       
  5132 		 * Returns:  int:i - the data index
       
  5133 		 * Inputs:   object:oSettings - dataTables settings object
       
  5134 		 */
       
  5135 		function _fnColumnIndexToVisible( oSettings, iMatch )
       
  5136 		{
       
  5137 			var iVisible = -1;
       
  5138 			for ( var i=0 ; i<oSettings.aoColumns.length ; i++ )
       
  5139 			{
       
  5140 				if ( oSettings.aoColumns[i].bVisible === true )
       
  5141 				{
       
  5142 					iVisible++;
       
  5143 				}
       
  5144 				
       
  5145 				if ( i == iMatch )
       
  5146 				{
       
  5147 					return oSettings.aoColumns[i].bVisible === true ? iVisible : null;
       
  5148 				}
       
  5149 			}
       
  5150 			
       
  5151 			return null;
       
  5152 		}
       
  5153 		
       
  5154 		
       
  5155 		/*
       
  5156 		 * Function: _fnNodeToDataIndex
       
  5157 		 * Purpose:  Take a TR element and convert it to an index in aoData
       
  5158 		 * Returns:  int:i - index if found, null if not
       
  5159 		 * Inputs:   object:s - dataTables settings object
       
  5160 		 *           node:n - the TR element to find
       
  5161 		 */
       
  5162 		function _fnNodeToDataIndex( s, n )
       
  5163 		{
       
  5164 			var i, iLen;
       
  5165 			
       
  5166 			/* Optimisation - see if the nodes which are currently visible match, since that is
       
  5167 			 * the most likely node to be asked for (a selector or event for example)
       
  5168 			 */
       
  5169 			for ( i=s._iDisplayStart, iLen=s._iDisplayEnd ; i<iLen ; i++ )
       
  5170 			{
       
  5171 				if ( s.aoData[ s.aiDisplay[i] ].nTr == n )
       
  5172 				{
       
  5173 					return s.aiDisplay[i];
       
  5174 				}
       
  5175 			}
       
  5176 			
       
  5177 			/* Otherwise we are in for a slog through the whole data cache */
       
  5178 			for ( i=0, iLen=s.aoData.length ; i<iLen ; i++ )
       
  5179 			{
       
  5180 				if ( s.aoData[i].nTr == n )
       
  5181 				{
       
  5182 					return i;
       
  5183 				}
       
  5184 			}
       
  5185 			return null;
       
  5186 		}
       
  5187 		
       
  5188 		/*
       
  5189 		 * Function: _fnVisbleColumns
       
  5190 		 * Purpose:  Get the number of visible columns
       
  5191 		 * Returns:  int:i - the number of visible columns
       
  5192 		 * Inputs:   object:oS - dataTables settings object
       
  5193 		 */
       
  5194 		function _fnVisbleColumns( oS )
       
  5195 		{
       
  5196 			var iVis = 0;
       
  5197 			for ( var i=0 ; i<oS.aoColumns.length ; i++ )
       
  5198 			{
       
  5199 				if ( oS.aoColumns[i].bVisible === true )
       
  5200 				{
       
  5201 					iVis++;
       
  5202 				}
       
  5203 			}
       
  5204 			return iVis;
       
  5205 		}
       
  5206 		
       
  5207 		/*
       
  5208 		 * Function: _fnCalculateEnd
       
  5209 		 * Purpose:  Rcalculate the end point based on the start point
       
  5210 		 * Returns:  -
       
  5211 		 * Inputs:   object:oSettings - dataTables settings object
       
  5212 		 */
       
  5213 		function _fnCalculateEnd( oSettings )
       
  5214 		{
       
  5215 			if ( oSettings.oFeatures.bPaginate === false )
       
  5216 			{
       
  5217 				oSettings._iDisplayEnd = oSettings.aiDisplay.length;
       
  5218 			}
       
  5219 			else
       
  5220 			{
       
  5221 				/* Set the end point of the display - based on how many elements there are
       
  5222 				 * still to display
       
  5223 				 */
       
  5224 				if ( oSettings._iDisplayStart + oSettings._iDisplayLength > oSettings.aiDisplay.length ||
       
  5225 					   oSettings._iDisplayLength == -1 )
       
  5226 				{
       
  5227 					oSettings._iDisplayEnd = oSettings.aiDisplay.length;
       
  5228 				}
       
  5229 				else
       
  5230 				{
       
  5231 					oSettings._iDisplayEnd = oSettings._iDisplayStart + oSettings._iDisplayLength;
       
  5232 				}
       
  5233 			}
       
  5234 		}
       
  5235 		
       
  5236 		/*
       
  5237 		 * Function: _fnConvertToWidth
       
  5238 		 * Purpose:  Convert a CSS unit width to pixels (e.g. 2em)
       
  5239 		 * Returns:  int:iWidth - width in pixels
       
  5240 		 * Inputs:   string:sWidth - width to be converted
       
  5241 		 *           node:nParent - parent to get the with for (required for
       
  5242 		 *             relative widths) - optional
       
  5243 		 */
       
  5244 		function _fnConvertToWidth ( sWidth, nParent )
       
  5245 		{
       
  5246 			if ( !sWidth || sWidth === null || sWidth === '' )
       
  5247 			{
       
  5248 				return 0;
       
  5249 			}
       
  5250 			
       
  5251 			if ( typeof nParent == "undefined" )
       
  5252 			{
       
  5253 				nParent = document.getElementsByTagName('body')[0];
       
  5254 			}
       
  5255 			
       
  5256 			var iWidth;
       
  5257 			var nTmp = document.createElement( "div" );
       
  5258 			nTmp.style.width = sWidth;
       
  5259 			
       
  5260 			nParent.appendChild( nTmp );
       
  5261 			iWidth = nTmp.offsetWidth;
       
  5262 			nParent.removeChild( nTmp );
       
  5263 			
       
  5264 			return ( iWidth );
       
  5265 		}
       
  5266 		
       
  5267 		/*
       
  5268 		 * Function: _fnCalculateColumnWidths
       
  5269 		 * Purpose:  Calculate the width of columns for the table
       
  5270 		 * Returns:  -
       
  5271 		 * Inputs:   object:oSettings - dataTables settings object
       
  5272 		 */
       
  5273 		function _fnCalculateColumnWidths ( oSettings )
       
  5274 		{
       
  5275 			var iTableWidth = oSettings.nTable.offsetWidth;
       
  5276 			var iUserInputs = 0;
       
  5277 			var iTmpWidth;
       
  5278 			var iVisibleColumns = 0;
       
  5279 			var iColums = oSettings.aoColumns.length;
       
  5280 			var i;
       
  5281 			var oHeaders = $('th', oSettings.nTHead);
       
  5282 			
       
  5283 			/* Convert any user input sizes into pixel sizes */
       
  5284 			for ( i=0 ; i<iColums ; i++ )
       
  5285 			{
       
  5286 				if ( oSettings.aoColumns[i].bVisible )
       
  5287 				{
       
  5288 					iVisibleColumns++;
       
  5289 					
       
  5290 					if ( oSettings.aoColumns[i].sWidth !== null )
       
  5291 					{
       
  5292 						iTmpWidth = _fnConvertToWidth( oSettings.aoColumns[i].sWidthOrig, 
       
  5293 							oSettings.nTable.parentNode );
       
  5294 						if ( iTmpWidth !== null )
       
  5295 						{
       
  5296 							oSettings.aoColumns[i].sWidth = _fnStringToCss( iTmpWidth );
       
  5297 						}
       
  5298 							
       
  5299 						iUserInputs++;
       
  5300 					}
       
  5301 				}
       
  5302 			}
       
  5303 			
       
  5304 			/* If the number of columns in the DOM equals the number that we have to process in 
       
  5305 			 * DataTables, then we can use the offsets that are created by the web-browser. No custom 
       
  5306 			 * sizes can be set in order for this to happen, nor scrolling used
       
  5307 			 */
       
  5308 			if ( iColums == oHeaders.length && iUserInputs === 0 && iVisibleColumns == iColums &&
       
  5309 				oSettings.oScroll.sX === "" && oSettings.oScroll.sY === "" )
       
  5310 			{
       
  5311 				for ( i=0 ; i<oSettings.aoColumns.length ; i++ )
       
  5312 				{
       
  5313 					iTmpWidth = $(oHeaders[i]).width();
       
  5314 					if ( iTmpWidth !== null )
       
  5315 					{
       
  5316 						oSettings.aoColumns[i].sWidth = _fnStringToCss( iTmpWidth );
       
  5317 					}
       
  5318 				}
       
  5319 			}
       
  5320 			else
       
  5321 			{
       
  5322 				/* Otherwise we are going to have to do some calculations to get the width of each column.
       
  5323 				 * Construct a 1 row table with the widest node in the data, and any user defined widths,
       
  5324 				 * then insert it into the DOM and allow the browser to do all the hard work of
       
  5325 				 * calculating table widths.
       
  5326 				 */
       
  5327 				var
       
  5328 					nCalcTmp = oSettings.nTable.cloneNode( false ),
       
  5329 					nBody = document.createElement( 'tbody' ),
       
  5330 					nTr = document.createElement( 'tr' ),
       
  5331 					nDivSizing;
       
  5332 				
       
  5333 				nCalcTmp.removeAttribute( "id" );
       
  5334 				nCalcTmp.appendChild( oSettings.nTHead.cloneNode(true) );
       
  5335 				if ( oSettings.nTFoot !== null )
       
  5336 				{
       
  5337 					nCalcTmp.appendChild( oSettings.nTFoot.cloneNode(true) );
       
  5338 					_fnApplyToChildren( function(n) {
       
  5339 						n.style.width = "";
       
  5340 					}, nCalcTmp.getElementsByTagName('tr') );
       
  5341 				}
       
  5342 				
       
  5343 				nCalcTmp.appendChild( nBody );
       
  5344 				nBody.appendChild( nTr );
       
  5345 				
       
  5346 				/* Remove any sizing that was previously applied by the styles */
       
  5347 				var jqColSizing = $('thead th', nCalcTmp);
       
  5348 				if ( jqColSizing.length === 0 )
       
  5349 				{
       
  5350 					jqColSizing = $('tbody tr:eq(0)>td', nCalcTmp);
       
  5351 				}
       
  5352 				jqColSizing.each( function (i) {
       
  5353 					this.style.width = "";
       
  5354 					
       
  5355 					var iIndex = _fnVisibleToColumnIndex( oSettings, i );
       
  5356 					if ( iIndex !== null && oSettings.aoColumns[iIndex].sWidthOrig !== "" )
       
  5357 					{
       
  5358 						this.style.width = oSettings.aoColumns[iIndex].sWidthOrig;
       
  5359 					}
       
  5360 				} );
       
  5361 				
       
  5362 				/* Find the biggest td for each column and put it into the table */
       
  5363 				for ( i=0 ; i<iColums ; i++ )
       
  5364 				{
       
  5365 					if ( oSettings.aoColumns[i].bVisible )
       
  5366 					{
       
  5367 						var nTd = _fnGetWidestNode( oSettings, i );
       
  5368 						if ( nTd !== null )
       
  5369 						{
       
  5370 							nTd = nTd.cloneNode(true);
       
  5371 							nTr.appendChild( nTd );
       
  5372 						}
       
  5373 					}
       
  5374 				}
       
  5375 				
       
  5376 				/* Build the table and 'display' it */
       
  5377 				var nWrapper = oSettings.nTable.parentNode;
       
  5378 				nWrapper.appendChild( nCalcTmp );
       
  5379 				
       
  5380 				/* When scrolling (X or Y) we want to set the width of the table as appropriate. However,
       
  5381 				 * when not scrolling leave the table width as it is. This results in slightly different,
       
  5382 				 * but I think correct behaviour
       
  5383 				 */
       
  5384 				if ( oSettings.oScroll.sX !== "" && oSettings.oScroll.sXInner !== "" )
       
  5385 				{
       
  5386 					nCalcTmp.style.width = _fnStringToCss(oSettings.oScroll.sXInner);
       
  5387 				}
       
  5388 				else if ( oSettings.oScroll.sX !== "" )
       
  5389 				{
       
  5390 					nCalcTmp.style.width = "";
       
  5391 					if ( $(nCalcTmp).width() < nWrapper.offsetWidth )
       
  5392 					{
       
  5393 						nCalcTmp.style.width = _fnStringToCss( nWrapper.offsetWidth );
       
  5394 					}
       
  5395 				}
       
  5396 				else if ( oSettings.oScroll.sY !== "" )
       
  5397 				{
       
  5398 					nCalcTmp.style.width = _fnStringToCss( nWrapper.offsetWidth );
       
  5399 				}
       
  5400 				nCalcTmp.style.visibility = "hidden";
       
  5401 				
       
  5402 				/* Scrolling considerations */
       
  5403 				_fnScrollingWidthAdjust( oSettings, nCalcTmp );
       
  5404 				
       
  5405 				/* Read the width's calculated by the browser and store them for use by the caller. We
       
  5406 				 * first of all try to use the elements in the body, but it is possible that there are
       
  5407 				 * no elements there, under which circumstances we use the header elements
       
  5408 				 */
       
  5409 				var oNodes = $("tbody tr:eq(0)>td", nCalcTmp);
       
  5410 				if ( oNodes.length === 0 )
       
  5411 				{
       
  5412 					oNodes = $("thead tr:eq(0)>th", nCalcTmp);
       
  5413 				}
       
  5414 				
       
  5415 				var iIndex, iCorrector = 0, iWidth;
       
  5416 				for ( i=0 ; i<oSettings.aoColumns.length ; i++ )
       
  5417 				{
       
  5418 					if ( oSettings.aoColumns[i].bVisible )
       
  5419 					{
       
  5420 						iWidth = $(oNodes[iCorrector]).outerWidth();
       
  5421 						if ( iWidth !== null && iWidth > 0 )
       
  5422 						{
       
  5423 							oSettings.aoColumns[i].sWidth = _fnStringToCss( iWidth );
       
  5424 						}
       
  5425 						iCorrector++;
       
  5426 					}
       
  5427 				}
       
  5428 				
       
  5429 				oSettings.nTable.style.width = _fnStringToCss( $(nCalcTmp).outerWidth() );
       
  5430 				nCalcTmp.parentNode.removeChild( nCalcTmp );
       
  5431 			}
       
  5432 		}
       
  5433 		
       
  5434 		/*
       
  5435 		 * Function: _fnScrollingWidthAdjust
       
  5436 		 * Purpose:  Adjust a table's width to take account of scrolling
       
  5437 		 * Returns:  -
       
  5438 		 * Inputs:   object:oSettings - dataTables settings object
       
  5439 		 *           node:n - table node
       
  5440 		 */
       
  5441 		function _fnScrollingWidthAdjust ( oSettings, n )
       
  5442 		{
       
  5443 			if ( oSettings.oScroll.sX === "" && oSettings.oScroll.sY !== "" )
       
  5444 			{
       
  5445 				/* When y-scrolling only, we want to remove the width of the scroll bar so the table
       
  5446 				 * + scroll bar will fit into the area avaialble.
       
  5447 				 */
       
  5448 				var iOrigWidth = $(n).width();
       
  5449 				n.style.width = _fnStringToCss( $(n).outerWidth()-oSettings.oScroll.iBarWidth );
       
  5450 			}
       
  5451 			else if ( oSettings.oScroll.sX !== "" )
       
  5452 			{
       
  5453 				/* When x-scrolling both ways, fix the table at it's current size, without adjusting */
       
  5454 				n.style.width = _fnStringToCss( $(n).outerWidth() );
       
  5455 			}
       
  5456 		}
       
  5457 		
       
  5458 		/*
       
  5459 		 * Function: _fnGetWidestNode
       
  5460 		 * Purpose:  Get the widest node
       
  5461 		 * Returns:  string: - max strlens for each column
       
  5462 		 * Inputs:   object:oSettings - dataTables settings object
       
  5463 		 *           int:iCol - column of interest
       
  5464 		 *           boolean:bFast - Should we use fast (but non-accurate) calculation - optional,
       
  5465 		 *             default true
       
  5466 		 * Notes:    This operation is _expensive_ (!!!). It requires a lot of DOM interaction, but
       
  5467 		 *   this is the only way to reliably get the widest string. For example 'mmm' would be wider
       
  5468 		 *   than 'iiii' so we can't just ocunt characters. If this can be optimised it would be good
       
  5469 		 *   to do so!
       
  5470 		 */
       
  5471 		function _fnGetWidestNode( oSettings, iCol, bFast )
       
  5472 		{
       
  5473 			/* Use fast not non-accurate calculate based on the strlen */
       
  5474 			if ( typeof bFast == 'undefined' || bFast )
       
  5475 			{
       
  5476 				var iMaxLen = _fnGetMaxLenString( oSettings, iCol );
       
  5477 				var iFastVis = _fnColumnIndexToVisible( oSettings, iCol);
       
  5478 				if ( iMaxLen < 0 )
       
  5479 				{
       
  5480 					return null;
       
  5481 				}
       
  5482 				return oSettings.aoData[iMaxLen].nTr.getElementsByTagName('td')[iFastVis];
       
  5483 			}
       
  5484 			
       
  5485 			/* Use the slow approach, but get high quality answers - note that this code is not actually
       
  5486 			 * used by DataTables by default. If you want to use it you can alter the call to 
       
  5487 			 * _fnGetWidestNode to pass 'false' as the third argument
       
  5488 			 */
       
  5489 			var
       
  5490 				iMax = -1, i, iLen,
       
  5491 				iMaxIndex = -1,
       
  5492 				n = document.createElement('div');
       
  5493 			
       
  5494 			n.style.visibility = "hidden";
       
  5495 			n.style.position = "absolute";
       
  5496 			document.body.appendChild( n );
       
  5497 			
       
  5498 			for ( i=0, iLen=oSettings.aoData.length ; i<iLen ; i++ )
       
  5499 			{
       
  5500 				n.innerHTML = oSettings.aoData[i]._aData[iCol];
       
  5501 				if ( n.offsetWidth > iMax )
       
  5502 				{
       
  5503 					iMax = n.offsetWidth;
       
  5504 					iMaxIndex = i;
       
  5505 				}
       
  5506 			}
       
  5507 			document.body.removeChild( n );
       
  5508 			
       
  5509 			if ( iMaxIndex >= 0 )
       
  5510 			{
       
  5511 				var iVis = _fnColumnIndexToVisible( oSettings, iCol);
       
  5512 				var nRet = oSettings.aoData[iMaxIndex].nTr.getElementsByTagName('td')[iVis];
       
  5513 				if ( nRet )
       
  5514 				{
       
  5515 					return nRet;
       
  5516 				}
       
  5517 			}
       
  5518 			return null;
       
  5519 		}
       
  5520 		
       
  5521 		/*
       
  5522 		 * Function: _fnGetMaxLenString
       
  5523 		 * Purpose:  Get the maximum strlen for each data column
       
  5524 		 * Returns:  string: - max strlens for each column
       
  5525 		 * Inputs:   object:oSettings - dataTables settings object
       
  5526 		 *           int:iCol - column of interest
       
  5527 		 */
       
  5528 		function _fnGetMaxLenString( oSettings, iCol )
       
  5529 		{
       
  5530 			var iMax = -1;
       
  5531 			var iMaxIndex = -1;
       
  5532 			
       
  5533 			for ( var i=0 ; i<oSettings.aoData.length ; i++ )
       
  5534 			{
       
  5535 				var s = oSettings.aoData[i]._aData[iCol];
       
  5536 				if ( s.length > iMax )
       
  5537 				{
       
  5538 					iMax = s.length;
       
  5539 					iMaxIndex = i;
       
  5540 				}
       
  5541 			}
       
  5542 			
       
  5543 			return iMaxIndex;
       
  5544 		}
       
  5545 		
       
  5546 		/*
       
  5547 		 * Function: _fnStringToCss
       
  5548 		 * Purpose:  Append a CSS unit (only if required) to a string
       
  5549 		 * Returns:  0 if match, 1 if length is different, 2 if no match
       
  5550 		 * Inputs:   array:aArray1 - first array
       
  5551 		 *           array:aArray2 - second array
       
  5552 		 */
       
  5553 		function _fnStringToCss( s )
       
  5554 		{
       
  5555 			if ( s === null )
       
  5556 			{
       
  5557 				return "0px";
       
  5558 			}
       
  5559 			
       
  5560 			if ( typeof s == 'number' )
       
  5561 			{
       
  5562 				if ( s < 0 )
       
  5563 				{
       
  5564 					return "0px";
       
  5565 				}
       
  5566 				return s+"px";
       
  5567 			}
       
  5568 			
       
  5569 			/* Check if the last character is not 0-9 */
       
  5570 			var c = s.charCodeAt( s.length-1 );
       
  5571 			if (c < 0x30 || c > 0x39)
       
  5572 			{
       
  5573 				return s;
       
  5574 			}
       
  5575 			return s+"px";
       
  5576 		}
       
  5577 		
       
  5578 		/*
       
  5579 		 * Function: _fnArrayCmp
       
  5580 		 * Purpose:  Compare two arrays
       
  5581 		 * Returns:  0 if match, 1 if length is different, 2 if no match
       
  5582 		 * Inputs:   array:aArray1 - first array
       
  5583 		 *           array:aArray2 - second array
       
  5584 		 */
       
  5585 		function _fnArrayCmp( aArray1, aArray2 )
       
  5586 		{
       
  5587 			if ( aArray1.length != aArray2.length )
       
  5588 			{
       
  5589 				return 1;
       
  5590 			}
       
  5591 			
       
  5592 			for ( var i=0 ; i<aArray1.length ; i++ )
       
  5593 			{
       
  5594 				if ( aArray1[i] != aArray2[i] )
       
  5595 				{
       
  5596 					return 2;
       
  5597 				}
       
  5598 			}
       
  5599 			
       
  5600 			return 0;
       
  5601 		}
       
  5602 		
       
  5603 		/*
       
  5604 		 * Function: _fnDetectType
       
  5605 		 * Purpose:  Get the sort type based on an input string
       
  5606 		 * Returns:  string: - type (defaults to 'string' if no type can be detected)
       
  5607 		 * Inputs:   string:sData - data we wish to know the type of
       
  5608 		 * Notes:    This function makes use of the DataTables plugin objct _oExt 
       
  5609 		 *   (.aTypes) such that new types can easily be added.
       
  5610 		 */
       
  5611 		function _fnDetectType( sData )
       
  5612 		{
       
  5613 			var aTypes = _oExt.aTypes;
       
  5614 			var iLen = aTypes.length;
       
  5615 			
       
  5616 			for ( var i=0 ; i<iLen ; i++ )
       
  5617 			{
       
  5618 				var sType = aTypes[i]( sData );
       
  5619 				if ( sType !== null )
       
  5620 				{
       
  5621 					return sType;
       
  5622 				}
       
  5623 			}
       
  5624 			
       
  5625 			return 'string';
       
  5626 		}
       
  5627 		
       
  5628 		/*
       
  5629 		 * Function: _fnSettingsFromNode
       
  5630 		 * Purpose:  Return the settings object for a particular table
       
  5631 		 * Returns:  object: Settings object - or null if not found
       
  5632 		 * Inputs:   node:nTable - table we are using as a dataTable
       
  5633 		 */
       
  5634 		function _fnSettingsFromNode ( nTable )
       
  5635 		{
       
  5636 			for ( var i=0 ; i<_aoSettings.length ; i++ )
       
  5637 			{
       
  5638 				if ( _aoSettings[i].nTable == nTable )
       
  5639 				{
       
  5640 					return _aoSettings[i];
       
  5641 				}
       
  5642 			}
       
  5643 			
       
  5644 			return null;
       
  5645 		}
       
  5646 		
       
  5647 		/*
       
  5648 		 * Function: _fnGetDataMaster
       
  5649 		 * Purpose:  Return an array with the full table data
       
  5650 		 * Returns:  array array:aData - Master data array
       
  5651 		 * Inputs:   object:oSettings - dataTables settings object
       
  5652 		 */
       
  5653 		function _fnGetDataMaster ( oSettings )
       
  5654 		{
       
  5655 			var aData = [];
       
  5656 			var iLen = oSettings.aoData.length;
       
  5657 			for ( var i=0 ; i<iLen; i++ )
       
  5658 			{
       
  5659 				aData.push( oSettings.aoData[i]._aData );
       
  5660 			}
       
  5661 			return aData;
       
  5662 		}
       
  5663 		
       
  5664 		/*
       
  5665 		 * Function: _fnGetTrNodes
       
  5666 		 * Purpose:  Return an array with the TR nodes for the table
       
  5667 		 * Returns:  array: - TR array
       
  5668 		 * Inputs:   object:oSettings - dataTables settings object
       
  5669 		 */
       
  5670 		function _fnGetTrNodes ( oSettings )
       
  5671 		{
       
  5672 			var aNodes = [];
       
  5673 			var iLen = oSettings.aoData.length;
       
  5674 			for ( var i=0 ; i<iLen ; i++ )
       
  5675 			{
       
  5676 				aNodes.push( oSettings.aoData[i].nTr );
       
  5677 			}
       
  5678 			return aNodes;
       
  5679 		}
       
  5680 		
       
  5681 		/*
       
  5682 		 * Function: _fnGetTdNodes
       
  5683 		 * Purpose:  Return an array with the TD nodes for the table
       
  5684 		 * Returns:  array: - TD array
       
  5685 		 * Inputs:   object:oSettings - dataTables settings object
       
  5686 		 */
       
  5687 		function _fnGetTdNodes ( oSettings )
       
  5688 		{
       
  5689 			var nTrs = _fnGetTrNodes( oSettings );
       
  5690 			var nTds = [], nTd;
       
  5691 			var anReturn = [];
       
  5692 			var iCorrector;
       
  5693 			var iRow, iRows, iColumn, iColumns;
       
  5694 			
       
  5695 			for ( iRow=0, iRows=nTrs.length ; iRow<iRows ; iRow++ )
       
  5696 			{
       
  5697 				nTds = [];
       
  5698 				for ( iColumn=0, iColumns=nTrs[iRow].childNodes.length ; iColumn<iColumns ; iColumn++ )
       
  5699 				{
       
  5700 					nTd = nTrs[iRow].childNodes[iColumn];
       
  5701 					if ( nTd.nodeName.toUpperCase() == "TD" )
       
  5702 					{
       
  5703 						nTds.push( nTd );
       
  5704 					}
       
  5705 				}
       
  5706 				
       
  5707 				iCorrector = 0;
       
  5708 				for ( iColumn=0, iColumns=oSettings.aoColumns.length ; iColumn<iColumns ; iColumn++ )
       
  5709 				{
       
  5710 					if ( oSettings.aoColumns[iColumn].bVisible )
       
  5711 					{
       
  5712 						anReturn.push( nTds[iColumn-iCorrector] );
       
  5713 					}
       
  5714 					else
       
  5715 					{
       
  5716 						anReturn.push( oSettings.aoData[iRow]._anHidden[iColumn] );
       
  5717 						iCorrector++;
       
  5718 					}
       
  5719 				}
       
  5720 			}
       
  5721 			return anReturn;
       
  5722 		}
       
  5723 		
       
  5724 		/*
       
  5725 		 * Function: _fnEscapeRegex
       
  5726 		 * Purpose:  scape a string stuch that it can be used in a regular expression
       
  5727 		 * Returns:  string: - escaped string
       
  5728 		 * Inputs:   string:sVal - string to escape
       
  5729 		 */
       
  5730 		function _fnEscapeRegex ( sVal )
       
  5731 		{
       
  5732 			var acEscape = [ '/', '.', '*', '+', '?', '|', '(', ')', '[', ']', '{', '}', '\\', '$', '^' ];
       
  5733 		  var reReplace = new RegExp( '(\\' + acEscape.join('|\\') + ')', 'g' );
       
  5734 		  return sVal.replace(reReplace, '\\$1');
       
  5735 		}
       
  5736 		
       
  5737 		/*
       
  5738 		 * Function: _fnDeleteIndex
       
  5739 		 * Purpose:  Take an array of integers (index array) and remove a target integer (value - not 
       
  5740 		 *             the key!)
       
  5741 		 * Returns:  -
       
  5742 		 * Inputs:   a:array int - Index array to target
       
  5743 		 *           int:iTarget - value to find
       
  5744 		 */
       
  5745 		function _fnDeleteIndex( a, iTarget )
       
  5746 		{
       
  5747 			var iTargetIndex = -1;
       
  5748 			
       
  5749 			for ( var i=0, iLen=a.length ; i<iLen ; i++ )
       
  5750 			{
       
  5751 				if ( a[i] == iTarget )
       
  5752 				{
       
  5753 					iTargetIndex = i;
       
  5754 				}
       
  5755 				else if ( a[i] > iTarget )
       
  5756 				{
       
  5757 					a[i]--;
       
  5758 				}
       
  5759 			}
       
  5760 			
       
  5761 			if ( iTargetIndex != -1 )
       
  5762 			{
       
  5763 				a.splice( iTargetIndex, 1 );
       
  5764 			}
       
  5765 		}
       
  5766 		
       
  5767 		/*
       
  5768 		 * Function: _fnReOrderIndex
       
  5769 		 * Purpose:  Figure out how to reorder a display list
       
  5770 		 * Returns:  array int:aiReturn - index list for reordering
       
  5771 		 * Inputs:   object:oSettings - dataTables settings object
       
  5772 		 */
       
  5773 		function _fnReOrderIndex ( oSettings, sColumns )
       
  5774 		{
       
  5775 			var aColumns = sColumns.split(',');
       
  5776 			var aiReturn = [];
       
  5777 			
       
  5778 			for ( var i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
       
  5779 			{
       
  5780 				for ( var j=0 ; j<iLen ; j++ )
       
  5781 				{
       
  5782 					if ( oSettings.aoColumns[i].sName == aColumns[j] )
       
  5783 					{
       
  5784 						aiReturn.push( j );
       
  5785 						break;
       
  5786 					}
       
  5787 				}
       
  5788 			}
       
  5789 			
       
  5790 			return aiReturn;
       
  5791 		}
       
  5792 		
       
  5793 		/*
       
  5794 		 * Function: _fnColumnOrdering
       
  5795 		 * Purpose:  Get the column ordering that DataTables expects
       
  5796 		 * Returns:  string: - comma separated list of names
       
  5797 		 * Inputs:   object:oSettings - dataTables settings object
       
  5798 		 */
       
  5799 		function _fnColumnOrdering ( oSettings )
       
  5800 		{
       
  5801 			var sNames = '';
       
  5802 			for ( var i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
       
  5803 			{
       
  5804 				sNames += oSettings.aoColumns[i].sName+',';
       
  5805 			}
       
  5806 			if ( sNames.length == iLen )
       
  5807 			{
       
  5808 				return "";
       
  5809 			}
       
  5810 			return sNames.slice(0, -1);
       
  5811 		}
       
  5812 		
       
  5813 		/*
       
  5814 		 * Function: _fnLog
       
  5815 		 * Purpose:  Log an error message
       
  5816 		 * Returns:  -
       
  5817 		 * Inputs:   int:iLevel - log error messages, or display them to the user
       
  5818 		 *           string:sMesg - error message
       
  5819 		 */
       
  5820 		function _fnLog( oSettings, iLevel, sMesg )
       
  5821 		{
       
  5822 			var sAlert = oSettings.sTableId === "" ?
       
  5823 			 	"DataTables warning: " +sMesg :
       
  5824 			 	"DataTables warning (table id = '"+oSettings.sTableId+"'): " +sMesg;
       
  5825 			
       
  5826 			if ( iLevel === 0 )
       
  5827 			{
       
  5828 				if ( _oExt.sErrMode == 'alert' )
       
  5829 				{
       
  5830 					alert( sAlert );
       
  5831 				}
       
  5832 				else
       
  5833 				{
       
  5834 					throw sAlert;
       
  5835 				}
       
  5836 				return;
       
  5837 			}
       
  5838 			else if ( typeof console != 'undefined' && typeof console.log != 'undefined' )
       
  5839 			{
       
  5840 				console.log( sAlert );
       
  5841 			}
       
  5842 		}
       
  5843 		
       
  5844 		/*
       
  5845 		 * Function: _fnClearTable
       
  5846 		 * Purpose:  Nuke the table
       
  5847 		 * Returns:  -
       
  5848 		 * Inputs:   object:oSettings - dataTables settings object
       
  5849 		 */
       
  5850 		function _fnClearTable( oSettings )
       
  5851 		{
       
  5852 			oSettings.aoData.splice( 0, oSettings.aoData.length );
       
  5853 			oSettings.aiDisplayMaster.splice( 0, oSettings.aiDisplayMaster.length );
       
  5854 			oSettings.aiDisplay.splice( 0, oSettings.aiDisplay.length );
       
  5855 			_fnCalculateEnd( oSettings );
       
  5856 		}
       
  5857 		
       
  5858 		/*
       
  5859 		 * Function: _fnSaveState
       
  5860 		 * Purpose:  Save the state of a table in a cookie such that the page can be reloaded
       
  5861 		 * Returns:  -
       
  5862 		 * Inputs:   object:oSettings - dataTables settings object
       
  5863 		 */
       
  5864 		function _fnSaveState ( oSettings )
       
  5865 		{
       
  5866 			if ( !oSettings.oFeatures.bStateSave || typeof oSettings.bDestroying != 'undefined' )
       
  5867 			{
       
  5868 				return;
       
  5869 			}
       
  5870 			
       
  5871 			/* Store the interesting variables */
       
  5872 			var i, iLen, sTmp;
       
  5873 			var sValue = "{";
       
  5874 			sValue += '"iCreate":'+ new Date().getTime()+',';
       
  5875 			sValue += '"iStart":'+ oSettings._iDisplayStart+',';
       
  5876 			sValue += '"iEnd":'+ oSettings._iDisplayEnd+',';
       
  5877 			sValue += '"iLength":'+ oSettings._iDisplayLength+',';
       
  5878 			sValue += '"sFilter":"'+ encodeURIComponent(oSettings.oPreviousSearch.sSearch)+'",';
       
  5879 			sValue += '"sFilterEsc":'+ !oSettings.oPreviousSearch.bRegex+',';
       
  5880 			
       
  5881 			sValue += '"aaSorting":[ ';
       
  5882 			for ( i=0 ; i<oSettings.aaSorting.length ; i++ )
       
  5883 			{
       
  5884 				sValue += '['+oSettings.aaSorting[i][0]+',"'+oSettings.aaSorting[i][1]+'"],';
       
  5885 			}
       
  5886 			sValue = sValue.substring(0, sValue.length-1);
       
  5887 			sValue += "],";
       
  5888 			
       
  5889 			sValue += '"aaSearchCols":[ ';
       
  5890 			for ( i=0 ; i<oSettings.aoPreSearchCols.length ; i++ )
       
  5891 			{
       
  5892 				sValue += '["'+encodeURIComponent(oSettings.aoPreSearchCols[i].sSearch)+
       
  5893 					'",'+!oSettings.aoPreSearchCols[i].bRegex+'],';
       
  5894 			}
       
  5895 			sValue = sValue.substring(0, sValue.length-1);
       
  5896 			sValue += "],";
       
  5897 			
       
  5898 			sValue += '"abVisCols":[ ';
       
  5899 			for ( i=0 ; i<oSettings.aoColumns.length ; i++ )
       
  5900 			{
       
  5901 				sValue += oSettings.aoColumns[i].bVisible+",";
       
  5902 			}
       
  5903 			sValue = sValue.substring(0, sValue.length-1);
       
  5904 			sValue += "]";
       
  5905 			
       
  5906 			/* Save state from any plug-ins */
       
  5907 			for ( i=0, iLen=oSettings.aoStateSave.length ; i<iLen ; i++ )
       
  5908 			{
       
  5909 				sTmp = oSettings.aoStateSave[i].fn( oSettings, sValue );
       
  5910 				if ( sTmp !== "" )
       
  5911 				{
       
  5912 					sValue = sTmp;
       
  5913 				}
       
  5914 			}
       
  5915 			
       
  5916 			sValue += "}";
       
  5917 			
       
  5918 			_fnCreateCookie( oSettings.sCookiePrefix+oSettings.sInstance, sValue, 
       
  5919 				oSettings.iCookieDuration, oSettings.sCookiePrefix, oSettings.fnCookieCallback );
       
  5920 		}
       
  5921 		
       
  5922 		/*
       
  5923 		 * Function: _fnLoadState
       
  5924 		 * Purpose:  Attempt to load a saved table state from a cookie
       
  5925 		 * Returns:  -
       
  5926 		 * Inputs:   object:oSettings - dataTables settings object
       
  5927 		 *           object:oInit - DataTables init object so we can override settings
       
  5928 		 */
       
  5929 		function _fnLoadState ( oSettings, oInit )
       
  5930 		{
       
  5931 			if ( !oSettings.oFeatures.bStateSave )
       
  5932 			{
       
  5933 				return;
       
  5934 			}
       
  5935 			
       
  5936 			var oData, i, iLen;
       
  5937 			var sData = _fnReadCookie( oSettings.sCookiePrefix+oSettings.sInstance );
       
  5938 			if ( sData !== null && sData !== '' )
       
  5939 			{
       
  5940 				/* Try/catch the JSON eval - if it is bad then we ignore it - note that 1.7.0 and before
       
  5941 				 * incorrectly used single quotes for some strings - hence the replace below
       
  5942 				 */
       
  5943 				try
       
  5944 				{
       
  5945 					oData = (typeof $.parseJSON == 'function') ? 
       
  5946 						$.parseJSON( sData.replace(/'/g, '"') ) : eval( '('+sData+')' );
       
  5947 				}
       
  5948 				catch( e )
       
  5949 				{
       
  5950 					return;
       
  5951 				}
       
  5952 				
       
  5953 				/* Allow custom and plug-in manipulation functions to alter the data set which was
       
  5954 				 * saved, and also reject any saved state by returning false
       
  5955 				 */
       
  5956 				for ( i=0, iLen=oSettings.aoStateLoad.length ; i<iLen ; i++ )
       
  5957 				{
       
  5958 					if ( !oSettings.aoStateLoad[i].fn( oSettings, oData ) )
       
  5959 					{
       
  5960 						return;
       
  5961 					}
       
  5962 				}
       
  5963 				
       
  5964 				/* Store the saved state so it might be accessed at any time (particualrly a plug-in */
       
  5965 				oSettings.oLoadedState = $.extend( true, {}, oData );
       
  5966 				
       
  5967 				/* Restore key features */
       
  5968 				oSettings._iDisplayStart = oData.iStart;
       
  5969 				oSettings.iInitDisplayStart = oData.iStart;
       
  5970 				oSettings._iDisplayEnd = oData.iEnd;
       
  5971 				oSettings._iDisplayLength = oData.iLength;
       
  5972 				oSettings.oPreviousSearch.sSearch = decodeURIComponent(oData.sFilter);
       
  5973 				oSettings.aaSorting = oData.aaSorting.slice();
       
  5974 				oSettings.saved_aaSorting = oData.aaSorting.slice();
       
  5975 				
       
  5976 				/*
       
  5977 				 * Search filtering - global reference added in 1.4.1
       
  5978 				 * Note that we use a 'not' for the value of the regular expression indicator to maintain
       
  5979 				 * compatibility with pre 1.7 versions, where this was basically inverted. Added in 1.7.0
       
  5980 				 */
       
  5981 				if ( typeof oData.sFilterEsc != 'undefined' )
       
  5982 				{
       
  5983 					oSettings.oPreviousSearch.bRegex = !oData.sFilterEsc;
       
  5984 				}
       
  5985 				
       
  5986 				/* Column filtering - added in 1.5.0 beta 6 */
       
  5987 				if ( typeof oData.aaSearchCols != 'undefined' )
       
  5988 				{
       
  5989 					for ( i=0 ; i<oData.aaSearchCols.length ; i++ )
       
  5990 					{
       
  5991 						oSettings.aoPreSearchCols[i] = {
       
  5992 							"sSearch": decodeURIComponent(oData.aaSearchCols[i][0]),
       
  5993 							"bRegex": !oData.aaSearchCols[i][1]
       
  5994 						};
       
  5995 					}
       
  5996 				}
       
  5997 				
       
  5998 				/* Column visibility state - added in 1.5.0 beta 10 */
       
  5999 				if ( typeof oData.abVisCols != 'undefined' )
       
  6000 				{
       
  6001 					/* Pass back visibiliy settings to the init handler, but to do not here override
       
  6002 					 * the init object that the user might have passed in
       
  6003 					 */
       
  6004 					oInit.saved_aoColumns = [];
       
  6005 					for ( i=0 ; i<oData.abVisCols.length ; i++ )
       
  6006 					{
       
  6007 						oInit.saved_aoColumns[i] = {};
       
  6008 						oInit.saved_aoColumns[i].bVisible = oData.abVisCols[i];
       
  6009 					}
       
  6010 				}
       
  6011 			}
       
  6012 		}
       
  6013 		
       
  6014 		/*
       
  6015 		 * Function: _fnCreateCookie
       
  6016 		 * Purpose:  Create a new cookie with a value to store the state of a table
       
  6017 		 * Returns:  -
       
  6018 		 * Inputs:   string:sName - name of the cookie to create
       
  6019 		 *           string:sValue - the value the cookie should take
       
  6020 		 *           int:iSecs - duration of the cookie
       
  6021 		 *           string:sBaseName - sName is made up of the base + file name - this is the base
       
  6022 		 *           function:fnCallback - User definable function to modify the cookie
       
  6023 		 */
       
  6024 		function _fnCreateCookie ( sName, sValue, iSecs, sBaseName, fnCallback )
       
  6025 		{
       
  6026 			var date = new Date();
       
  6027 			date.setTime( date.getTime()+(iSecs*1000) );
       
  6028 			
       
  6029 			/* 
       
  6030 			 * Shocking but true - it would appear IE has major issues with having the path not having
       
  6031 			 * a trailing slash on it. We need the cookie to be available based on the path, so we
       
  6032 			 * have to append the file name to the cookie name. Appalling. Thanks to vex for adding the
       
  6033 			 * patch to use at least some of the path
       
  6034 			 */
       
  6035 			var aParts = window.location.pathname.split('/');
       
  6036 			var sNameFile = sName + '_' + aParts.pop().replace(/[\/:]/g,"").toLowerCase();
       
  6037 			var sFullCookie, oData;
       
  6038 			
       
  6039 			if ( fnCallback !== null )
       
  6040 			{
       
  6041 				oData = (typeof $.parseJSON == 'function') ? 
       
  6042 					$.parseJSON( sValue ) : eval( '('+sValue+')' );
       
  6043 				sFullCookie = fnCallback( sNameFile, oData, date.toGMTString(),
       
  6044 					aParts.join('/')+"/" );
       
  6045 			}
       
  6046 			else
       
  6047 			{
       
  6048 				sFullCookie = sNameFile + "=" + encodeURIComponent(sValue) +
       
  6049 					"; expires=" + date.toGMTString() +"; path=" + aParts.join('/')+"/";
       
  6050 			}
       
  6051 			
       
  6052 			/* Are we going to go over the cookie limit of 4KiB? If so, try to delete a cookies
       
  6053 			 * belonging to DataTables. This is FAR from bullet proof
       
  6054 			 */
       
  6055 			var sOldName="", iOldTime=9999999999999;
       
  6056 			var iLength = _fnReadCookie( sNameFile )!==null ? document.cookie.length : 
       
  6057 				sFullCookie.length + document.cookie.length;
       
  6058 			
       
  6059 			if ( iLength+10 > 4096 ) /* Magic 10 for padding */
       
  6060 			{
       
  6061 				var aCookies =document.cookie.split(';');
       
  6062 				for ( var i=0, iLen=aCookies.length ; i<iLen ; i++ )
       
  6063 				{
       
  6064 					if ( aCookies[i].indexOf( sBaseName ) != -1 )
       
  6065 					{
       
  6066 						/* It's a DataTables cookie, so eval it and check the time stamp */
       
  6067 						var aSplitCookie = aCookies[i].split('=');
       
  6068 						try { oData = eval( '('+decodeURIComponent(aSplitCookie[1])+')' ); }
       
  6069 						catch( e ) { continue; }
       
  6070 						
       
  6071 						if ( typeof oData.iCreate != 'undefined' && oData.iCreate < iOldTime )
       
  6072 						{
       
  6073 							sOldName = aSplitCookie[0];
       
  6074 							iOldTime = oData.iCreate;
       
  6075 						}
       
  6076 					}
       
  6077 				}
       
  6078 				
       
  6079 				if ( sOldName !== "" )
       
  6080 				{
       
  6081 					document.cookie = sOldName+"=; expires=Thu, 01-Jan-1970 00:00:01 GMT; path="+
       
  6082 						aParts.join('/') + "/";
       
  6083 				}
       
  6084 			}
       
  6085 			
       
  6086 			document.cookie = sFullCookie;
       
  6087 		}
       
  6088 		
       
  6089 		/*
       
  6090 		 * Function: _fnReadCookie
       
  6091 		 * Purpose:  Read an old cookie to get a cookie with an old table state
       
  6092 		 * Returns:  string: - contents of the cookie - or null if no cookie with that name found
       
  6093 		 * Inputs:   string:sName - name of the cookie to read
       
  6094 		 */
       
  6095 		function _fnReadCookie ( sName )
       
  6096 		{
       
  6097 			var
       
  6098 				aParts = window.location.pathname.split('/'),
       
  6099 				sNameEQ = sName + '_' + aParts[aParts.length-1].replace(/[\/:]/g,"").toLowerCase() + '=',
       
  6100 			 	sCookieContents = document.cookie.split(';');
       
  6101 			
       
  6102 			for( var i=0 ; i<sCookieContents.length ; i++ )
       
  6103 			{
       
  6104 				var c = sCookieContents[i];
       
  6105 				
       
  6106 				while (c.charAt(0)==' ')
       
  6107 				{
       
  6108 					c = c.substring(1,c.length);
       
  6109 				}
       
  6110 				
       
  6111 				if (c.indexOf(sNameEQ) === 0)
       
  6112 				{
       
  6113 					return decodeURIComponent( c.substring(sNameEQ.length,c.length) );
       
  6114 				}
       
  6115 			}
       
  6116 			return null;
       
  6117 		}
       
  6118 		
       
  6119 		/*
       
  6120 		 * Function: _fnGetUniqueThs
       
  6121 		 * Purpose:  Get an array of unique th elements, one for each column
       
  6122 		 * Returns:  array node:aReturn - list of unique ths
       
  6123 		 * Inputs:   node:nThead - The thead element for the table
       
  6124 		 */
       
  6125 		function _fnGetUniqueThs ( nThead )
       
  6126 		{
       
  6127 			var nTrs = nThead.getElementsByTagName('tr');
       
  6128 			
       
  6129 			/* Nice simple case */
       
  6130 			if ( nTrs.length == 1 )
       
  6131 			{
       
  6132 				return nTrs[0].getElementsByTagName('th');
       
  6133 			}
       
  6134 			
       
  6135 			/* Otherwise we need to figure out the layout array to get the nodes */
       
  6136 			var aLayout = [], aReturn = [];
       
  6137 			var ROWSPAN = 2, COLSPAN = 3, TDELEM = 4;
       
  6138 			var i, j, k, iLen, jLen, iColumnShifted;
       
  6139 			var fnShiftCol = function ( a, i, j ) {
       
  6140 				while ( typeof a[i][j] != 'undefined' ) {
       
  6141 					j++;
       
  6142 				}
       
  6143 				return j;
       
  6144 			};
       
  6145 			var fnAddRow = function ( i ) {
       
  6146 				if ( typeof aLayout[i] == 'undefined' ) {
       
  6147 					aLayout[i] = [];
       
  6148 				}
       
  6149 			};
       
  6150 			
       
  6151 			/* Calculate a layout array */
       
  6152 			for ( i=0, iLen=nTrs.length ; i<iLen ; i++ )
       
  6153 			{
       
  6154 				fnAddRow( i );
       
  6155 				var iColumn = 0;
       
  6156 				var nTds = [];
       
  6157 				
       
  6158 				for ( j=0, jLen=nTrs[i].childNodes.length ; j<jLen ; j++ )
       
  6159 				{
       
  6160 					if ( nTrs[i].childNodes[j].nodeName.toUpperCase() == "TD" ||
       
  6161 					     nTrs[i].childNodes[j].nodeName.toUpperCase() == "TH" )
       
  6162 					{
       
  6163 						nTds.push( nTrs[i].childNodes[j] );
       
  6164 					}
       
  6165 				}
       
  6166 				
       
  6167 				for ( j=0, jLen=nTds.length ; j<jLen ; j++ )
       
  6168 				{
       
  6169 					var iColspan = nTds[j].getAttribute('colspan') * 1;
       
  6170 					var iRowspan = nTds[j].getAttribute('rowspan') * 1;
       
  6171 					
       
  6172 					if ( !iColspan || iColspan===0 || iColspan===1 )
       
  6173 					{
       
  6174 						iColumnShifted = fnShiftCol( aLayout, i, iColumn );
       
  6175 						aLayout[i][iColumnShifted] = (nTds[j].nodeName.toUpperCase()=="TD") ? TDELEM : nTds[j];
       
  6176 						if ( iRowspan || iRowspan===0 || iRowspan===1 )
       
  6177 						{
       
  6178 							for ( k=1 ; k<iRowspan ; k++ )
       
  6179 							{
       
  6180 								fnAddRow( i+k );
       
  6181 								aLayout[i+k][iColumnShifted] = ROWSPAN;
       
  6182 							}
       
  6183 						}
       
  6184 						iColumn++;
       
  6185 					}
       
  6186 					else
       
  6187 					{
       
  6188 						iColumnShifted = fnShiftCol( aLayout, i, iColumn );
       
  6189 						for ( k=0 ; k<iColspan ; k++ )
       
  6190 						{
       
  6191 							aLayout[i][iColumnShifted+k] = COLSPAN;
       
  6192 						}
       
  6193 						iColumn += iColspan;
       
  6194 					}
       
  6195 				}
       
  6196 			}
       
  6197 			
       
  6198 			/* Convert the layout array into a node array */
       
  6199 			for ( i=0, iLen=aLayout.length ; i<iLen ; i++ )
       
  6200 			{
       
  6201 				for ( j=0, jLen=aLayout[i].length ; j<jLen ; j++ )
       
  6202 				{
       
  6203 					if ( typeof aLayout[i][j] == 'object' && typeof aReturn[j] == 'undefined' )
       
  6204 					{
       
  6205 						aReturn[j] = aLayout[i][j];
       
  6206 					}
       
  6207 				}
       
  6208 			}
       
  6209 			
       
  6210 			return aReturn;
       
  6211 		}
       
  6212 		
       
  6213 		/*
       
  6214 		 * Function: _fnScrollBarWidth
       
  6215 		 * Purpose:  Get the width of a scroll bar in this browser being used
       
  6216 		 * Returns:  int: - width in pixels
       
  6217 		 * Inputs:   -
       
  6218 		 * Notes:    All credit for this function belongs to Alexandre Gomes. Thanks for sharing!
       
  6219 		 *   http://www.alexandre-gomes.com/?p=115
       
  6220 		 */
       
  6221 		function _fnScrollBarWidth ()
       
  6222 		{  
       
  6223 			var inner = document.createElement('p');  
       
  6224 			var style = inner.style;
       
  6225 			style.width = "100%";  
       
  6226 			style.height = "200px";  
       
  6227 			
       
  6228 			var outer = document.createElement('div');  
       
  6229 			style = outer.style;
       
  6230 			style.position = "absolute";  
       
  6231 			style.top = "0px";  
       
  6232 			style.left = "0px";  
       
  6233 			style.visibility = "hidden";  
       
  6234 			style.width = "200px";  
       
  6235 			style.height = "150px";  
       
  6236 			style.overflow = "hidden";  
       
  6237 			outer.appendChild(inner);  
       
  6238 			
       
  6239 			document.body.appendChild(outer);  
       
  6240 			var w1 = inner.offsetWidth;  
       
  6241 			outer.style.overflow = 'scroll';  
       
  6242 			var w2 = inner.offsetWidth;  
       
  6243 			if ( w1 == w2 )
       
  6244 			{
       
  6245 				w2 = outer.clientWidth;  
       
  6246 			}
       
  6247 			
       
  6248 			document.body.removeChild(outer); 
       
  6249 			return (w1 - w2);  
       
  6250 		}
       
  6251 		
       
  6252 		/*
       
  6253 		 * Function: _fnApplyToChildren
       
  6254 		 * Purpose:  Apply a given function to the display child nodes of an element array (typically
       
  6255 		 *   TD children of TR rows
       
  6256 		 * Returns:  - (done by reference)
       
  6257 		 * Inputs:   function:fn - Method to apply to the objects
       
  6258 		 *           array nodes:an1 - List of elements to look through for display children
       
  6259 		 *           array nodes:an2 - Another list (identical structure to the first) - optional
       
  6260 		 */
       
  6261 		function _fnApplyToChildren( fn, an1, an2 )
       
  6262 		{
       
  6263 			for ( var i=0, iLen=an1.length ; i<iLen ; i++ )
       
  6264 			{
       
  6265 				for ( var j=0, jLen=an1[i].childNodes.length ; j<jLen ; j++ )
       
  6266 				{
       
  6267 					if ( an1[i].childNodes[j].nodeType == 1 )
       
  6268 					{
       
  6269 						if ( typeof an2 != 'undefined' )
       
  6270 						{
       
  6271 							fn( an1[i].childNodes[j], an2[i].childNodes[j] );
       
  6272 						}
       
  6273 						else
       
  6274 						{
       
  6275 							fn( an1[i].childNodes[j] );
       
  6276 						}
       
  6277 					}
       
  6278 				}
       
  6279 			}
       
  6280 		}
       
  6281 		
       
  6282 		/*
       
  6283 		 * Function: _fnMap
       
  6284 		 * Purpose:  See if a property is defined on one object, if so assign it to the other object
       
  6285 		 * Returns:  - (done by reference)
       
  6286 		 * Inputs:   object:oRet - target object
       
  6287 		 *           object:oSrc - source object
       
  6288 		 *           string:sName - property
       
  6289 		 *           string:sMappedName - name to map too - optional, sName used if not given
       
  6290 		 */
       
  6291 		function _fnMap( oRet, oSrc, sName, sMappedName )
       
  6292 		{
       
  6293 			if ( typeof sMappedName == 'undefined' )
       
  6294 			{
       
  6295 				sMappedName = sName;
       
  6296 			}
       
  6297 			if ( typeof oSrc[sName] != 'undefined' )
       
  6298 			{
       
  6299 				oRet[sMappedName] = oSrc[sName];
       
  6300 			}
       
  6301 		}
       
  6302 		
       
  6303 		/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
       
  6304 		 * Section - API
       
  6305 		 * 
       
  6306 		 * I'm not overly happy with this solution - I'd much rather that there was a way of getting
       
  6307 		 * a list of all the private functions and do what we need to dynamically - but that doesn't
       
  6308 		 * appear to be possible. Bonkers. A better solution would be to provide a 'bind' type object
       
  6309 		 * To do - bind type method in DTs 2.x.
       
  6310 		 */
       
  6311 		this.oApi._fnExternApiFunc = _fnExternApiFunc;
       
  6312 		this.oApi._fnInitalise = _fnInitalise;
       
  6313 		this.oApi._fnLanguageProcess = _fnLanguageProcess;
       
  6314 		this.oApi._fnAddColumn = _fnAddColumn;
       
  6315 		this.oApi._fnColumnOptions = _fnColumnOptions;
       
  6316 		this.oApi._fnAddData = _fnAddData;
       
  6317 		this.oApi._fnGatherData = _fnGatherData;
       
  6318 		this.oApi._fnDrawHead = _fnDrawHead;
       
  6319 		this.oApi._fnDraw = _fnDraw;
       
  6320 		this.oApi._fnReDraw = _fnReDraw;
       
  6321 		this.oApi._fnAjaxUpdate = _fnAjaxUpdate;
       
  6322 		this.oApi._fnAjaxUpdateDraw = _fnAjaxUpdateDraw;
       
  6323 		this.oApi._fnAddOptionsHtml = _fnAddOptionsHtml;
       
  6324 		this.oApi._fnFeatureHtmlTable = _fnFeatureHtmlTable;
       
  6325 		this.oApi._fnScrollDraw = _fnScrollDraw;
       
  6326 		this.oApi._fnAjustColumnSizing = _fnAjustColumnSizing;
       
  6327 		this.oApi._fnFeatureHtmlFilter = _fnFeatureHtmlFilter;
       
  6328 		this.oApi._fnFilterComplete = _fnFilterComplete;
       
  6329 		this.oApi._fnFilterCustom = _fnFilterCustom;
       
  6330 		this.oApi._fnFilterColumn = _fnFilterColumn;
       
  6331 		this.oApi._fnFilter = _fnFilter;
       
  6332 		this.oApi._fnBuildSearchArray = _fnBuildSearchArray;
       
  6333 		this.oApi._fnBuildSearchRow = _fnBuildSearchRow;
       
  6334 		this.oApi._fnFilterCreateSearch = _fnFilterCreateSearch;
       
  6335 		this.oApi._fnDataToSearch = _fnDataToSearch;
       
  6336 		this.oApi._fnSort = _fnSort;
       
  6337 		this.oApi._fnSortAttachListener = _fnSortAttachListener;
       
  6338 		this.oApi._fnSortingClasses = _fnSortingClasses;
       
  6339 		this.oApi._fnFeatureHtmlPaginate = _fnFeatureHtmlPaginate;
       
  6340 		this.oApi._fnPageChange = _fnPageChange;
       
  6341 		this.oApi._fnFeatureHtmlInfo = _fnFeatureHtmlInfo;
       
  6342 		this.oApi._fnUpdateInfo = _fnUpdateInfo;
       
  6343 		this.oApi._fnFeatureHtmlLength = _fnFeatureHtmlLength;
       
  6344 		this.oApi._fnFeatureHtmlProcessing = _fnFeatureHtmlProcessing;
       
  6345 		this.oApi._fnProcessingDisplay = _fnProcessingDisplay;
       
  6346 		this.oApi._fnVisibleToColumnIndex = _fnVisibleToColumnIndex;
       
  6347 		this.oApi._fnColumnIndexToVisible = _fnColumnIndexToVisible;
       
  6348 		this.oApi._fnNodeToDataIndex = _fnNodeToDataIndex;
       
  6349 		this.oApi._fnVisbleColumns = _fnVisbleColumns;
       
  6350 		this.oApi._fnCalculateEnd = _fnCalculateEnd;
       
  6351 		this.oApi._fnConvertToWidth = _fnConvertToWidth;
       
  6352 		this.oApi._fnCalculateColumnWidths = _fnCalculateColumnWidths;
       
  6353 		this.oApi._fnScrollingWidthAdjust = _fnScrollingWidthAdjust;
       
  6354 		this.oApi._fnGetWidestNode = _fnGetWidestNode;
       
  6355 		this.oApi._fnGetMaxLenString = _fnGetMaxLenString;
       
  6356 		this.oApi._fnStringToCss = _fnStringToCss;
       
  6357 		this.oApi._fnArrayCmp = _fnArrayCmp;
       
  6358 		this.oApi._fnDetectType = _fnDetectType;
       
  6359 		this.oApi._fnSettingsFromNode = _fnSettingsFromNode;
       
  6360 		this.oApi._fnGetDataMaster = _fnGetDataMaster;
       
  6361 		this.oApi._fnGetTrNodes = _fnGetTrNodes;
       
  6362 		this.oApi._fnGetTdNodes = _fnGetTdNodes;
       
  6363 		this.oApi._fnEscapeRegex = _fnEscapeRegex;
       
  6364 		this.oApi._fnDeleteIndex = _fnDeleteIndex;
       
  6365 		this.oApi._fnReOrderIndex = _fnReOrderIndex;
       
  6366 		this.oApi._fnColumnOrdering = _fnColumnOrdering;
       
  6367 		this.oApi._fnLog = _fnLog;
       
  6368 		this.oApi._fnClearTable = _fnClearTable;
       
  6369 		this.oApi._fnSaveState = _fnSaveState;
       
  6370 		this.oApi._fnLoadState = _fnLoadState;
       
  6371 		this.oApi._fnCreateCookie = _fnCreateCookie;
       
  6372 		this.oApi._fnReadCookie = _fnReadCookie;
       
  6373 		this.oApi._fnGetUniqueThs = _fnGetUniqueThs;
       
  6374 		this.oApi._fnScrollBarWidth = _fnScrollBarWidth;
       
  6375 		this.oApi._fnApplyToChildren = _fnApplyToChildren;
       
  6376 		this.oApi._fnMap = _fnMap;
       
  6377 		
       
  6378 		
       
  6379 		/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
       
  6380 		 * Section - Constructor
       
  6381 		 */
       
  6382 		
       
  6383 		/* Want to be able to reference "this" inside the this.each function */
       
  6384 		var _that = this;
       
  6385 		return this.each(function()
       
  6386 		{
       
  6387 			var i=0, iLen, j, jLen, k, kLen;
       
  6388 			
       
  6389 			/* Check to see if we are re-initalising a table */
       
  6390 			for ( i=0, iLen=_aoSettings.length ; i<iLen ; i++ )
       
  6391 			{
       
  6392 				/* Base check on table node */
       
  6393 				if ( _aoSettings[i].nTable == this )
       
  6394 				{
       
  6395 					if ( typeof oInit == 'undefined' || 
       
  6396 					   ( typeof oInit.bRetrieve != 'undefined' && oInit.bRetrieve === true ) )
       
  6397 					{
       
  6398 						return _aoSettings[i].oInstance;
       
  6399 					}
       
  6400 					else if ( typeof oInit.bDestroy != 'undefined' && oInit.bDestroy === true )
       
  6401 					{
       
  6402 						_aoSettings[i].oInstance.fnDestroy();
       
  6403 						break;
       
  6404 					}
       
  6405 					else
       
  6406 					{
       
  6407 						_fnLog( _aoSettings[i], 0, "Cannot reinitialise DataTable.\n\n"+
       
  6408 							"To retrieve the DataTables object for this table, please pass either no arguments "+
       
  6409 							"to the dataTable() function, or set bRetrieve to true. Alternatively, to destory "+
       
  6410 							"the old table and create a new one, set bDestroy to true (note that a lot of "+
       
  6411 							"changes to the configuration can be made through the API which is usually much "+
       
  6412 							"faster)." );
       
  6413 						return;
       
  6414 					}
       
  6415 				}
       
  6416 				
       
  6417 				/* If the element we are initialising has the same ID as a table which was previously
       
  6418 				 * initialised, but the table nodes don't match (from before) then we destory the old
       
  6419 				 * instance by simply deleting it. This is under the assumption that the table has been
       
  6420 				 * destroyed by other methods. Anyone using non-id selectors will need to do this manually
       
  6421 				 */
       
  6422 				if ( _aoSettings[i].sTableId !== "" && _aoSettings[i].sTableId == this.getAttribute('id') )
       
  6423 				{
       
  6424 					_aoSettings.splice( i, 1 );
       
  6425 					break;
       
  6426 				}
       
  6427 			}
       
  6428 			
       
  6429 			/* Make a complete and independent copy of the settings object */
       
  6430 			var oSettings = new classSettings();
       
  6431 			_aoSettings.push( oSettings );
       
  6432 			
       
  6433 			var bInitHandedOff = false;
       
  6434 			var bUsePassedData = false;
       
  6435 			
       
  6436 			/* Set the id */
       
  6437 			var sId = this.getAttribute( 'id' );
       
  6438 			if ( sId !== null )
       
  6439 			{
       
  6440 				oSettings.sTableId = sId;
       
  6441 				oSettings.sInstance = sId;
       
  6442 			}
       
  6443 			else
       
  6444 			{
       
  6445 				oSettings.sInstance = _oExt._oExternConfig.iNextUnique ++;
       
  6446 			}
       
  6447 			
       
  6448 			/* Sanity check */
       
  6449 			if ( this.nodeName.toLowerCase() != 'table' )
       
  6450 			{
       
  6451 				_fnLog( oSettings, 0, "Attempted to initialise DataTables on a node which is not a "+
       
  6452 					"table: "+this.nodeName );
       
  6453 				return;
       
  6454 			}
       
  6455 			
       
  6456 			/* Set the table node */
       
  6457 			oSettings.nTable = this;
       
  6458 			
       
  6459 			/* Keep a reference to the 'this' instance for the table. Note that if this table is being
       
  6460 			 * created with others, we retrieve a unique instance to ease API access.
       
  6461 			 */
       
  6462 			oSettings.oInstance = _that.length == 1 ? _that : $(this).dataTable();
       
  6463 			
       
  6464 			/* Bind the API functions to the settings, so we can perform actions whenever oSettings is
       
  6465 			 * available
       
  6466 			 */
       
  6467 			oSettings.oApi = _that.oApi;
       
  6468 			
       
  6469 			/* State the table's width for if a destroy is called at a later time */
       
  6470 			oSettings.sDestroyWidth = $(this).width();
       
  6471 			
       
  6472 			/* Store the features that we have available */
       
  6473 			if ( typeof oInit != 'undefined' && oInit !== null )
       
  6474 			{
       
  6475 				oSettings.oInit = oInit;
       
  6476 				_fnMap( oSettings.oFeatures, oInit, "bPaginate" );
       
  6477 				_fnMap( oSettings.oFeatures, oInit, "bLengthChange" );
       
  6478 				_fnMap( oSettings.oFeatures, oInit, "bFilter" );
       
  6479 				_fnMap( oSettings.oFeatures, oInit, "bSort" );
       
  6480 				_fnMap( oSettings.oFeatures, oInit, "bInfo" );
       
  6481 				_fnMap( oSettings.oFeatures, oInit, "bProcessing" );
       
  6482 				_fnMap( oSettings.oFeatures, oInit, "bAutoWidth" );
       
  6483 				_fnMap( oSettings.oFeatures, oInit, "bSortClasses" );
       
  6484 				_fnMap( oSettings.oFeatures, oInit, "bServerSide" );
       
  6485 				_fnMap( oSettings.oScroll, oInit, "sScrollX", "sX" );
       
  6486 				_fnMap( oSettings.oScroll, oInit, "sScrollXInner", "sXInner" );
       
  6487 				_fnMap( oSettings.oScroll, oInit, "sScrollY", "sY" );
       
  6488 				_fnMap( oSettings.oScroll, oInit, "bScrollCollapse", "bCollapse" );
       
  6489 				_fnMap( oSettings.oScroll, oInit, "bScrollInfinite", "bInfinite" );
       
  6490 				_fnMap( oSettings.oScroll, oInit, "iScrollLoadGap", "iLoadGap" );
       
  6491 				_fnMap( oSettings.oScroll, oInit, "bScrollAutoCss", "bAutoCss" );
       
  6492 				_fnMap( oSettings, oInit, "asStripClasses" );
       
  6493 				_fnMap( oSettings, oInit, "fnRowCallback" );
       
  6494 				_fnMap( oSettings, oInit, "fnHeaderCallback" );
       
  6495 				_fnMap( oSettings, oInit, "fnFooterCallback" );
       
  6496 				_fnMap( oSettings, oInit, "fnCookieCallback" );
       
  6497 				_fnMap( oSettings, oInit, "fnInitComplete" );
       
  6498 				_fnMap( oSettings, oInit, "fnServerData" );
       
  6499 				_fnMap( oSettings, oInit, "fnFormatNumber" );
       
  6500 				_fnMap( oSettings, oInit, "aaSorting" );
       
  6501 				_fnMap( oSettings, oInit, "aaSortingFixed" );
       
  6502 				_fnMap( oSettings, oInit, "aLengthMenu" );
       
  6503 				_fnMap( oSettings, oInit, "sPaginationType" );
       
  6504 				_fnMap( oSettings, oInit, "sAjaxSource" );
       
  6505 				_fnMap( oSettings, oInit, "iCookieDuration" );
       
  6506 				_fnMap( oSettings, oInit, "sCookiePrefix" );
       
  6507 				_fnMap( oSettings, oInit, "sDom" );
       
  6508 				_fnMap( oSettings, oInit, "oSearch", "oPreviousSearch" );
       
  6509 				_fnMap( oSettings, oInit, "aoSearchCols", "aoPreSearchCols" );
       
  6510 				_fnMap( oSettings, oInit, "iDisplayLength", "_iDisplayLength" );
       
  6511 				_fnMap( oSettings, oInit, "bJQueryUI", "bJUI" );
       
  6512 				_fnMap( oSettings.oLanguage, oInit, "fnInfoCallback" );
       
  6513 				
       
  6514 				/* Callback functions which are array driven */
       
  6515 				if ( typeof oInit.fnDrawCallback == 'function' )
       
  6516 				{
       
  6517 					oSettings.aoDrawCallback.push( {
       
  6518 						"fn": oInit.fnDrawCallback,
       
  6519 						"sName": "user"
       
  6520 					} );
       
  6521 				}
       
  6522 				
       
  6523 				if ( typeof oInit.fnStateSaveCallback == 'function' )
       
  6524 				{
       
  6525 					oSettings.aoStateSave.push( {
       
  6526 						"fn": oInit.fnStateSaveCallback,
       
  6527 						"sName": "user"
       
  6528 					} );
       
  6529 				}
       
  6530 				
       
  6531 				if ( typeof oInit.fnStateLoadCallback == 'function' )
       
  6532 				{
       
  6533 					oSettings.aoStateLoad.push( {
       
  6534 						"fn": oInit.fnStateLoadCallback,
       
  6535 						"sName": "user"
       
  6536 					} );
       
  6537 				}
       
  6538 				
       
  6539 				if ( oSettings.oFeatures.bServerSide && oSettings.oFeatures.bSort &&
       
  6540 					   oSettings.oFeatures.bSortClasses )
       
  6541 				{
       
  6542 					/* Enable sort classes for server-side processing. Safe to do it here, since server-side
       
  6543 					 * processing must be enabled by the developer
       
  6544 					 */
       
  6545 					oSettings.aoDrawCallback.push( {
       
  6546 						"fn": _fnSortingClasses,
       
  6547 						"sName": "server_side_sort_classes"
       
  6548 					} );
       
  6549 				}
       
  6550 				
       
  6551 				if ( typeof oInit.bJQueryUI != 'undefined' && oInit.bJQueryUI )
       
  6552 				{
       
  6553 					/* Use the JUI classes object for display. You could clone the oStdClasses object if 
       
  6554 					 * you want to have multiple tables with multiple independent classes 
       
  6555 					 */
       
  6556 					oSettings.oClasses = _oExt.oJUIClasses;
       
  6557 					
       
  6558 					if ( typeof oInit.sDom == 'undefined' )
       
  6559 					{
       
  6560 						/* Set the DOM to use a layout suitable for jQuery UI's theming */
       
  6561 						oSettings.sDom = '<"H"lfr>t<"F"ip>';
       
  6562 					}
       
  6563 				}
       
  6564 				
       
  6565 				/* Calculate the scroll bar width and cache it for use later on */
       
  6566 				if ( oSettings.oScroll.sX !== "" || oSettings.oScroll.sY !== "" )
       
  6567 				{
       
  6568 					oSettings.oScroll.iBarWidth = _fnScrollBarWidth();
       
  6569 				}
       
  6570 				
       
  6571 				if ( typeof oInit.iDisplayStart != 'undefined' && 
       
  6572 				     typeof oSettings.iInitDisplayStart == 'undefined' )
       
  6573 				{
       
  6574 					/* Display start point, taking into account the save saving */
       
  6575 					oSettings.iInitDisplayStart = oInit.iDisplayStart;
       
  6576 					oSettings._iDisplayStart = oInit.iDisplayStart;
       
  6577 				}
       
  6578 				
       
  6579 				/* Must be done after everything which can be overridden by a cookie! */
       
  6580 				if ( typeof oInit.bStateSave != 'undefined' )
       
  6581 				{
       
  6582 					oSettings.oFeatures.bStateSave = oInit.bStateSave;
       
  6583 					_fnLoadState( oSettings, oInit );
       
  6584 					oSettings.aoDrawCallback.push( {
       
  6585 						"fn": _fnSaveState,
       
  6586 						"sName": "state_save"
       
  6587 					} );
       
  6588 				}
       
  6589 				
       
  6590 				if ( typeof oInit.aaData != 'undefined' )
       
  6591 				{
       
  6592 					bUsePassedData = true;
       
  6593 				}
       
  6594 				
       
  6595 				/* Backwards compatability */
       
  6596 				/* aoColumns / aoData - remove at some point... */
       
  6597 				if ( typeof oInit != 'undefined' && typeof oInit.aoData != 'undefined' )
       
  6598 				{
       
  6599 					oInit.aoColumns = oInit.aoData;
       
  6600 				}
       
  6601 				
       
  6602 				/* Language definitions */
       
  6603 				if ( typeof oInit.oLanguage != 'undefined' )
       
  6604 				{
       
  6605 					if ( typeof oInit.oLanguage.sUrl != 'undefined' && oInit.oLanguage.sUrl !== "" )
       
  6606 					{
       
  6607 						/* Get the language definitions from a file */
       
  6608 						oSettings.oLanguage.sUrl = oInit.oLanguage.sUrl;
       
  6609 						$.getJSON( oSettings.oLanguage.sUrl, null, function( json ) { 
       
  6610 							_fnLanguageProcess( oSettings, json, true ); } );
       
  6611 						bInitHandedOff = true;
       
  6612 					}
       
  6613 					else
       
  6614 					{
       
  6615 						_fnLanguageProcess( oSettings, oInit.oLanguage, false );
       
  6616 					}
       
  6617 				}
       
  6618 				/* Warning: The _fnLanguageProcess function is async to the remainder of this function due
       
  6619 				 * to the XHR. We use _bInitialised in _fnLanguageProcess() to check this the processing 
       
  6620 				 * below is complete. The reason for spliting it like this is optimisation - we can fire
       
  6621 				 * off the XHR (if needed) and then continue processing the data.
       
  6622 				 */
       
  6623 			}
       
  6624 			else
       
  6625 			{
       
  6626 				/* Create a dummy object for quick manipulation later on. */
       
  6627 				oInit = {};
       
  6628 			}
       
  6629 			
       
  6630 			/*
       
  6631 			 * Stripes
       
  6632 			 * Add the strip classes now that we know which classes to apply - unless overruled
       
  6633 			 */
       
  6634 			if ( typeof oInit.asStripClasses == 'undefined' )
       
  6635 			{
       
  6636 				oSettings.asStripClasses.push( oSettings.oClasses.sStripOdd );
       
  6637 				oSettings.asStripClasses.push( oSettings.oClasses.sStripEven );
       
  6638 			}
       
  6639 			
       
  6640 			/* Remove row stripe classes if they are already on the table row */
       
  6641 			var bStripeRemove = false;
       
  6642 			var anRows = $('>tbody>tr', this);
       
  6643 			for ( i=0, iLen=oSettings.asStripClasses.length ; i<iLen ; i++ )
       
  6644 			{
       
  6645 				if ( anRows.filter(":lt(2)").hasClass( oSettings.asStripClasses[i]) )
       
  6646 				{
       
  6647 					bStripeRemove = true;
       
  6648 					break;
       
  6649 				}
       
  6650 			}
       
  6651 					
       
  6652 			if ( bStripeRemove )
       
  6653 			{
       
  6654 				/* Store the classes which we are about to remove so they can be readded on destory */
       
  6655 				oSettings.asDestoryStrips = [ '', '' ];
       
  6656 				if ( $(anRows[0]).hasClass(oSettings.oClasses.sStripOdd) )
       
  6657 				{
       
  6658 					oSettings.asDestoryStrips[0] += oSettings.oClasses.sStripOdd+" ";
       
  6659 				}
       
  6660 				if ( $(anRows[0]).hasClass(oSettings.oClasses.sStripEven) )
       
  6661 				{
       
  6662 					oSettings.asDestoryStrips[0] += oSettings.oClasses.sStripEven;
       
  6663 				}
       
  6664 				if ( $(anRows[1]).hasClass(oSettings.oClasses.sStripOdd) )
       
  6665 				{
       
  6666 					oSettings.asDestoryStrips[1] += oSettings.oClasses.sStripOdd+" ";
       
  6667 				}
       
  6668 				if ( $(anRows[1]).hasClass(oSettings.oClasses.sStripEven) )
       
  6669 				{
       
  6670 					oSettings.asDestoryStrips[1] += oSettings.oClasses.sStripEven;
       
  6671 				}
       
  6672 				
       
  6673 				anRows.removeClass( oSettings.asStripClasses.join(' ') );
       
  6674 			}
       
  6675 			
       
  6676 			/*
       
  6677 			 * Columns
       
  6678 			 * See if we should load columns automatically or use defined ones
       
  6679 			 */
       
  6680 			var nThead = this.getElementsByTagName('thead');
       
  6681 			var anThs = nThead.length===0 ? [] : _fnGetUniqueThs( nThead[0] );
       
  6682 			var aoColumnsInit;
       
  6683 			
       
  6684 			/* If not given a column array, generate one with nulls */
       
  6685 			if ( typeof oInit.aoColumns == 'undefined' )
       
  6686 			{
       
  6687 				aoColumnsInit = [];
       
  6688 				for ( i=0, iLen=anThs.length ; i<iLen ; i++ )
       
  6689 				{
       
  6690 					aoColumnsInit.push( null );
       
  6691 				}
       
  6692 			}
       
  6693 			else
       
  6694 			{
       
  6695 				aoColumnsInit = oInit.aoColumns;
       
  6696 			}
       
  6697 			
       
  6698 			/* Add the columns */
       
  6699 			for ( i=0, iLen=aoColumnsInit.length ; i<iLen ; i++ )
       
  6700 			{
       
  6701 				/* Check if we have column visibilty state to restore */
       
  6702 				if ( typeof oInit.saved_aoColumns != 'undefined' && oInit.saved_aoColumns.length == iLen )
       
  6703 				{
       
  6704 					if ( aoColumnsInit[i] === null )
       
  6705 					{
       
  6706 						aoColumnsInit[i] = {};
       
  6707 					}
       
  6708 					aoColumnsInit[i].bVisible = oInit.saved_aoColumns[i].bVisible;
       
  6709 				}
       
  6710 				
       
  6711 				_fnAddColumn( oSettings, anThs ? anThs[i] : null );
       
  6712 			}
       
  6713 			
       
  6714 			/* Add options from column definations */
       
  6715 			if ( typeof oInit.aoColumnDefs != 'undefined' )
       
  6716 			{
       
  6717 				/* Loop over the column defs array - loop in reverse so first instace has priority */
       
  6718 				for ( i=oInit.aoColumnDefs.length-1 ; i>=0 ; i-- )
       
  6719 				{
       
  6720 					/* Each column def can target multiple columns, as it is an array */
       
  6721 					var aTargets = oInit.aoColumnDefs[i].aTargets;
       
  6722 					if ( !$.isArray( aTargets ) )
       
  6723 					{
       
  6724 						_fnLog( oSettings, 1, 'aTargets must be an array of targets, not a '+(typeof aTargets) );
       
  6725 					}
       
  6726 					for ( j=0, jLen=aTargets.length ; j<jLen ; j++ )
       
  6727 					{
       
  6728 						if ( typeof aTargets[j] == 'number' && aTargets[j] >= 0 )
       
  6729 						{
       
  6730 							/* 0+ integer, left to right column counting. We add columns which are unknown
       
  6731 							 * automatically. Is this the right behaviour for this? We should at least
       
  6732 							 * log it in future. We cannot do this for the negative or class targets, only here.
       
  6733 							 */
       
  6734 							while( oSettings.aoColumns.length <= aTargets[j] )
       
  6735 							{
       
  6736 								_fnAddColumn( oSettings );
       
  6737 							}
       
  6738 							_fnColumnOptions( oSettings, aTargets[j], oInit.aoColumnDefs[i] );
       
  6739 						}
       
  6740 						else if ( typeof aTargets[j] == 'number' && aTargets[j] < 0 )
       
  6741 						{
       
  6742 							/* Negative integer, right to left column counting */
       
  6743 							_fnColumnOptions( oSettings, oSettings.aoColumns.length+aTargets[j], 
       
  6744 								oInit.aoColumnDefs[i] );
       
  6745 						}
       
  6746 						else if ( typeof aTargets[j] == 'string' )
       
  6747 						{
       
  6748 							/* Class name matching on TH element */
       
  6749 							for ( k=0, kLen=oSettings.aoColumns.length ; k<kLen ; k++ )
       
  6750 							{
       
  6751 								if ( aTargets[j] == "_all" ||
       
  6752 								     oSettings.aoColumns[k].nTh.className.indexOf( aTargets[j] ) != -1 )
       
  6753 								{
       
  6754 									_fnColumnOptions( oSettings, k, oInit.aoColumnDefs[i] );
       
  6755 								}
       
  6756 							}
       
  6757 						}
       
  6758 					}
       
  6759 				}
       
  6760 			}
       
  6761 			
       
  6762 			/* Add options from column array - after the defs array so this has priority */
       
  6763 			if ( typeof aoColumnsInit != 'undefined' )
       
  6764 			{
       
  6765 				for ( i=0, iLen=aoColumnsInit.length ; i<iLen ; i++ )
       
  6766 				{
       
  6767 					_fnColumnOptions( oSettings, i, aoColumnsInit[i] );
       
  6768 				}
       
  6769 			}
       
  6770 			
       
  6771 			/*
       
  6772 			 * Sorting
       
  6773 			 * Check the aaSorting array
       
  6774 			 */
       
  6775 			for ( i=0, iLen=oSettings.aaSorting.length ; i<iLen ; i++ )
       
  6776 			{
       
  6777 				if ( oSettings.aaSorting[i][0] >= oSettings.aoColumns.length )
       
  6778 				{
       
  6779 					oSettings.aaSorting[i][0] = 0;
       
  6780 				}
       
  6781 				var oColumn = oSettings.aoColumns[ oSettings.aaSorting[i][0] ];
       
  6782 				
       
  6783 				/* Add a default sorting index */
       
  6784 				if ( typeof oSettings.aaSorting[i][2] == 'undefined' )
       
  6785 				{
       
  6786 					oSettings.aaSorting[i][2] = 0;
       
  6787 				}
       
  6788 				
       
  6789 				/* If aaSorting is not defined, then we use the first indicator in asSorting */
       
  6790 				if ( typeof oInit.aaSorting == "undefined" && 
       
  6791 						 typeof oSettings.saved_aaSorting == "undefined" )
       
  6792 				{
       
  6793 					oSettings.aaSorting[i][1] = oColumn.asSorting[0];
       
  6794 				}
       
  6795 				
       
  6796 				/* Set the current sorting index based on aoColumns.asSorting */
       
  6797 				for ( j=0, jLen=oColumn.asSorting.length ; j<jLen ; j++ )
       
  6798 				{
       
  6799 					if ( oSettings.aaSorting[i][1] == oColumn.asSorting[j] )
       
  6800 					{
       
  6801 						oSettings.aaSorting[i][2] = j;
       
  6802 						break;
       
  6803 					}
       
  6804 				}
       
  6805 			}
       
  6806 				
       
  6807 			/* Do a first pass on the sorting classes (allows any size changes to be taken into
       
  6808 			 * account, and also will apply sorting disabled classes if disabled
       
  6809 			 */
       
  6810 			_fnSortingClasses( oSettings );
       
  6811 			
       
  6812 			/*
       
  6813 			 * Final init
       
  6814 			 * Sanity check that there is a thead and tbody. If not let's just create them
       
  6815 			 */
       
  6816 			if ( this.getElementsByTagName('thead').length === 0 )
       
  6817 			{
       
  6818 				this.appendChild( document.createElement( 'thead' ) );
       
  6819 			}
       
  6820 			
       
  6821 			if ( this.getElementsByTagName('tbody').length === 0 )
       
  6822 			{
       
  6823 				this.appendChild( document.createElement( 'tbody' ) );
       
  6824 			}
       
  6825 			
       
  6826 			oSettings.nTHead = this.getElementsByTagName('thead')[0];
       
  6827 			oSettings.nTBody = this.getElementsByTagName('tbody')[0];
       
  6828 			if ( this.getElementsByTagName('tfoot').length > 0 )
       
  6829 			{
       
  6830 				oSettings.nTFoot = this.getElementsByTagName('tfoot')[0];
       
  6831 			}
       
  6832 			
       
  6833 			/* Check if there is data passing into the constructor */
       
  6834 			if ( bUsePassedData )
       
  6835 			{
       
  6836 				for ( i=0 ; i<oInit.aaData.length ; i++ )
       
  6837 				{
       
  6838 					_fnAddData( oSettings, oInit.aaData[ i ] );
       
  6839 				}
       
  6840 			}
       
  6841 			else
       
  6842 			{
       
  6843 				/* Grab the data from the page */
       
  6844 				_fnGatherData( oSettings );
       
  6845 			}
       
  6846 			
       
  6847 			/* Copy the data index array */
       
  6848 			oSettings.aiDisplay = oSettings.aiDisplayMaster.slice();
       
  6849 			
       
  6850 			/* Initialisation complete - table can be drawn */
       
  6851 			oSettings.bInitialised = true;
       
  6852 			
       
  6853 			/* Check if we need to initialise the table (it might not have been handed off to the
       
  6854 			 * language processor)
       
  6855 			 */
       
  6856 			if ( bInitHandedOff === false )
       
  6857 			{
       
  6858 				_fnInitalise( oSettings );
       
  6859 			}
       
  6860 		});
       
  6861 	};
       
  6862 })(jQuery, window, document);