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/*
 * File:        FixedColumns.min.js
 * Version:     1.0.2
 * Author:      Allan Jardine (www.sprymedia.co.uk)
 * 
 * Copyright 2010 Allan Jardine, all rights reserved.
 *
 * This source file is free software, under either the GPL v2 license or a
 * BSD (3 point) style license, as supplied with this software.
 * 
 * This source file is distributed in the hope that it will be useful, but 
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
 * or FITNESS FOR A PARTICULAR PURPOSE. See the license files for details.
 */
var FixedColumns=function(a,b){if(typeof this._fnConstruct!="function")alert("FixedColumns warning: FixedColumns must be initialised with the 'new' keyword.");else{if(typeof b=="undefined")b={};this.s={dt:a.fnSettings(),columns:1};this.dom={scroller:null,header:null,body:null,footer:null,clone:{header:null,body:null,footer:null}};this._fnConstruct(b)}};
FixedColumns.prototype={_fnConstruct:function(a){var b=this;if(typeof this.s.dt.oInstance.fnVersionCheck!="function"||this.s.dt.oInstance.fnVersionCheck("1.7.0")!==true)alert("FixedColumns 2 required DataTables 1.7.0 or later. Please upgrade your DataTables installation");else if(this.s.dt.oScroll.sX==="")this.s.dt.oInstance.oApi._fnLog(this.s.dt,1,"FixedColumns is not needed (no x-scrolling in DataTables enabled), so no action will be taken. Use 'FixedHeader' for column fixing when scrolling is not enabled");
else{if(typeof a.columns!="undefined"){if(a.columns<1){this.s.dt.oInstance.oApi._fnLog(this.s.dt,1,"FixedColumns is not needed (no columns to be fixed), so no action will be taken");return}this.s.columns=a.columns}this.dom.body=this.s.dt.nTable;this.dom.scroller=this.dom.body.parentNode;this.dom.scroller.style.position="relative";this.dom.header=this.s.dt.nTHead.parentNode;this.dom.header.parentNode.parentNode.style.position="relative";if(this.s.dt.nTFoot){this.dom.footer=this.s.dt.nTFoot.parentNode;
this.dom.footer.parentNode.parentNode.style.position="relative"}$(this.dom.scroller).scroll(function(){b._fnScroll.call(b)});this.s.dt.aoDrawCallback.push({fn:function(){b._fnClone.call(b);b._fnScroll.call(b)},sName:"FixedColumns"});this._fnClone();this._fnScroll()}},_fnClone:function(){var a=this,b=0,e=[],d,g,f,h=$.browser.msie&&($.browser.version=="6.0"||$.browser.version=="7.0");d=0;for(g=this.s.columns;d0){this.dom.clone.body=$(this.dom.body).clone(true)[0];this.dom.clone.body.className+=" FixedColumns_Cloned";this.dom.clone.body.getAttribute("id")!==
null&&this.dom.clone.body.removeAttribute("id");$("thead tr:eq(0)",this.dom.clone.body).each(function(){$("th:gt("+(a.s.columns-1)+")",this).remove()});$("thead tr:gt(0)",this.dom.clone.body).remove();d=$("tbody tr:eq(0) td:eq(0)",a.dom.body);var i=d.outerHeight()-d.height();$("tbody tr",this.dom.clone.body).each(function(c){$("td:gt("+(a.s.columns-1)+")",this).remove();$.browser.mozilla||$.browser.opera?$("td",this).height($("tbody tr:eq("+c+")",a.dom.body).outerHeight()):$("td",this).height($("tbody tr:eq("+
c+")",a.dom.body).outerHeight()-i);h||$("tbody tr:eq("+c+")",a.dom.body).height($("tbody tr:eq("+c+")",a.dom.body).outerHeight())});$("tfoot tr:eq(0)",this.dom.clone.body).each(function(){$("th:gt("+(a.s.columns-1)+")",this).remove()});$("tfoot tr:gt(0)",this.dom.clone.body).remove();this.dom.clone.body.style.position="absolute";this.dom.clone.body.style.top="0px";this.dom.clone.body.style.left="0px";this.dom.clone.body.style.width=b+"px";this.dom.body.parentNode.appendChild(this.dom.clone.body)}if(this.s.dt.nTFoot!==
null){this.dom.clone.footer!==null&&this.dom.clone.footer.parentNode.removeChild(this.dom.clone.footer);this.dom.clone.footer=$(this.dom.footer).clone(true)[0];this.dom.clone.footer.className+=" FixedColumns_Cloned";$("tfoot tr:eq(0)",this.dom.clone.footer).each(function(){$("th:gt("+(a.s.columns-1)+")",this).remove();$(this).height($(a.dom.footer).height())});$("tr",this.dom.clone.footer).height($(a.dom.footer).height());$("tfoot tr:gt(0)",this.dom.clone.footer).remove();$("tfoot th",this.dom.clone.footer).each(function(c){this.style.width=
e[c]+"px"});this.dom.clone.footer.style.position="absolute";this.dom.clone.footer.style.top="0px";this.dom.clone.footer.style.left="0px";this.dom.clone.footer.style.width=b+"px";this.dom.footer.parentNode.appendChild(this.dom.clone.footer)}},_fnScroll:function(){var a=$(this.dom.scroller).scrollLeft();this.dom.clone.header.style.left=a+"px";if(this.dom.clone.body!==null)this.dom.clone.body.style.left=a+"px";if(this.dom.footer)this.dom.clone.footer.style.left=a+"px"}};