/*
	Last change date:	Apr 10, 2006
*/
/*
	Note: Application starts with call "startBeforeOnload" at the end of this file
*/
/*
	For accessibility and other reasons this Javascript is supposed to work 'unobtrusive'.
	It's also seperated from the HTML-page as far as possible.
	On separating behaviour and structure: http://www.digital-web.com/articles/separating_behavior_and_structure_2/
	On 'modern' javascript: http://www.naarvoren.nl/artikel/modern_javascript/
	On memory leakage: http://novemberborn.net/javascript/event-cache/
	On DOMContentLoaded: http://dean.edwards.name/weblog/2005/09/busted/
*/


/*
	startBeforeOnload
	This function will be called as soon as DOM is loaded
	(so we don't have to wait until onload triggers)
*/
function startBeforeOnload() {
	/* First add the js-dependent-css */
	//document.write('<link rel="stylesheet" type="text/css" href="/nki/css/js_hide.css" />');
   /* for Mozilla */
   if (document.addEventListener) {
       document.addEventListener("DOMContentLoaded", init, null);
   }
   /* for Internet Explorer */
   /*@cc_on @*/
   /*@if (@_win32)
       document.write("<script defer src='./js/ie_onload.js'><"+"/script>");
   /*@end @*/

   /* for other browsers */
   window.onload = init;
}

/*
	init
	Adds load- and unload-events
*/
function init() {
    // quit if this function has already been called
    if (arguments.callee.done) return;

    // flag this function so we don't do the same thing twice
    arguments.callee.done = true;

    // DEBUG: create the "page loaded" message
/*    var text = document.createTextNode("Page loaded!");
    var message = document.getElementById("header");
    message.appendChild(text);*/

	//  Include a stylesheet with styles that are only visible to clients with javascript enabled
	addEvent(window, 'load', initOnLoad, false);
	addEvent(window, "unload", EventCache.flush, false);
};

function initOnLoad() {
    loadSifr();
    loadClinicHomeButtons();
}

/*
	addEvent()
	Adds event-listeners to objects (html-elements)
*/
/*
function addEvent( obj, type, fn )
{
	if (obj.addEventListener)
		obj.addEventListener( type, fn, false );
	else if (obj.attachEvent)
	{
		obj["e"+type+fn] = fn;
		obj[type+fn] = function() { obj["e"+type+fn]( window.event ); }
		obj.attachEvent( "on"+type, obj[type+fn] );
	}
}
*/
function addEvent(obj, evType, fn, useCapture){
	var result;
	if (obj.addEventListener){
		obj.addEventListener(evType, fn, useCapture);
		result = true;
	} else if (obj.attachEvent){
		var r = obj.attachEvent('on' + evType, fn);
		result = r;
	} else {
		elm['on' + evType] = fn;
	}
    EventCache.add(obj, evType, fn, useCapture);
    return result;
}

/*	EventCache Version 1.0
	Copyright 2005 Mark Wubben

	Provides a way for automagically removing events from nodes and thus preventing memory leakage.
	See <http://novemberborn.net/javascript/event-cache> for more information.
	
	This software is licensed under the CC-GNU LGPL <http://creativecommons.org/licenses/LGPL/2.1/>
*/

/*	Implement array.push for browsers which don't support it natively.
	Please remove this if it's already in other code */
if(Array.prototype.push == null){
	Array.prototype.push = function(){
		for(var i = 0; i < arguments.length; i++){
			this[this.length] = arguments[i];
		};
		return this.length;
	};
};

/*	Event Cache uses an anonymous function to create a hidden scope chain.
	This is to prevent scoping issues. */
var EventCache = function(){
	var listEvents = [];
	
	return {
		listEvents : listEvents,
	
		add : function(node, sEventName, fHandler, bCapture){
			listEvents.push(arguments);
		},
	
		flush : function(){
			var i, item;
			for(i = listEvents.length - 1; i >= 0; i = i - 1){
				item = listEvents[i];
				
				if(item[0].removeEventListener){
					item[0].removeEventListener(item[1], item[2], item[3]);
				};
				
				/* From this point on we need the event names to be prefixed with 'on" */
				if(item[1].substring(0, 2) != "on"){
					item[1] = "on" + item[1];
				};
				
				if(item[0].detachEvent){
					item[0].detachEvent(item[1], item[2]);
				};
				
				item[0][item[1]] = null;
			};
		}
	};
}();

/*
	startBeforeOnload()
	start javascript application
	Note: Call must be placed at the end of the script file, to be sure that all JS-code is loaded!
*/

startBeforeOnload();

/*

xxxxxxxxxxxxxxxxxxxxxxxxxxx

	s I F R

xxxxxxxxxxxxxxxxxxxxxxxxxxx

*/

function loadSifr() {
    /* Custom sIFR settings */
    if(typeof sIFR == "function"){
    /* NKI home */
    sIFR.replaceElement(named({sSelector:".ResearchHomepage ul#siteswitch li.nki_switch", sFlashSrc:"/nki/fonts/dax_md.swf", sColor:"#010066", sLinkColor:"#010066",sHoverColor:"#E03F23", sWmode: "transparent", sFlashVars:"textalign=right", sFlashVars:"offsetTop=0"}));
    sIFR.replaceElement(named({sSelector:".ResearchHomepage ul#siteswitch li.avl_switch", sFlashSrc:"/nki/fonts/dax_md.swf", sColor:"#BCB9B4", sLinkColor:"#BCB9B4",sHoverColor:"#E03F23", sWmode: "transparent", sFlashVars:"offsetTop=0"}));
    /* NKI */
    sIFR.replaceElement(named({sSelector:".Research ul#siteswitch li.nki_switch", sFlashSrc:"/nki/fonts/dax_md.swf", sColor:"#ffffff", sLinkColor:"#ffffff",sHoverColor:"#E03F23", sWmode: "transparent", sFlashVars:"textalign=right", sFlashVars:"offsetTop=0"}));
    sIFR.replaceElement(named({sSelector:".Research ul#siteswitch li.avl_switch", sFlashSrc:"/nki/fonts/dax_md.swf", sColor:"#BCB9B4", sLinkColor:"#BCB9B4",sHoverColor:"#E03F23", sWmode: "transparent", sFlashVars:"offsetTop=0"}));
    sIFR.replaceElement(named({sSelector:".Research ul#siteswitch li", sFlashSrc:"/nki/fonts/dax_md.swf", sColor:"#990000", sWmode: "transparent"}));
    /* AVL */
    sIFR.replaceElement(named({sSelector:".Ziekenhuis ul#siteswitch li.avl_switch", sFlashSrc:"/nki/fonts/dax_md.swf", sColor:"#990000", sLinkColor:"#990000",sHoverColor:"#E03F23", sWmode: "transparent", sFlashVars:"textalign=right", sFlashVars:"offsetTop=0"}));
    sIFR.replaceElement(named({sSelector:".Ziekenhuis ul#siteswitch li.nki_switch", sFlashSrc:"/nki/fonts/dax_md.swf", sColor:"#424242", sLinkColor:"#424242",sHoverColor:"#E03F23", sWmode: "transparent", sFlashVars:"offsetTop=0"}));
    sIFR.replaceElement(named({sSelector:".Ziekenhuis ul#siteswitch li", sFlashSrc:"/nki/fonts/dax_md.swf", sColor:"#990000", sWmode: "transparent"}));
    };
}

/*	sIFR 2.0.1
	Copyright 2004 - 2005 Mike Davidson, Shaun Inman, Tomas Jogin and Mark Wubben

	This software is licensed under the CC-GNU LGPL <http://creativecommons.org/licenses/LGPL/2.1/>
*/

var hasFlash=function(){var a=6;if(navigator.appVersion.indexOf("MSIE")!=-1&&navigator.appVersion.indexOf("Windows")>-1){document.write('<script language="VBScript"\> \non error resume next \nhasFlash = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash." & '+a+'))) \n</script\> \n');if(window.hasFlash!=null)return window.hasFlash}if(navigator.mimeTypes&&navigator.mimeTypes["application/x-shockwave-flash"]&&navigator.mimeTypes["application/x-shockwave-flash"].enabledPlugin){var b=(navigator.plugins["Shockwave Flash 2.0"]||navigator.plugins["Shockwave Flash"]).description;return parseInt(b.charAt(b.indexOf(".")-1))>=a}return false}();String.prototype.normalize=function(){return this.replace(/\s+/g," ")};if(Array.prototype.push==null){Array.prototype.push=function(){var i=0,a=this.length,b=arguments.length;while(i<b){this[a++]=arguments[i++]}return this.length}}if(!Function.prototype.apply){Function.prototype.apply=function(a,b){var c=[];var d,e;if(!a)a=window;if(!b)b=[];for(var i=0;i<b.length;i++){c[i]="b["+i+"]"}e="a.__applyTemp__("+c.join(",")+");";a.__applyTemp__=this;d=eval(e);a.__applyTemp__=null;return d}}function named(a){return new named.Arguments(a)}named.Arguments=function(a){this.oArgs=a};named.Arguments.prototype.constructor=named.Arguments;named.extract=function(a,b){var c,d;var i=a.length;while(i--){d=a[i];if(d!=null&&d.constructor!=null&&d.constructor==named.Arguments){c=a[i].oArgs;break}}if(c==null)return;for(e in c)if(b[e]!=null)b[e](c[e]);return};var parseSelector=function(){var a=/^([^#.>`]*)(#|\.|\>|\`)(.+)$/;function r(s,t){var u=s.split(/\s*\,\s*/);var v=[];for(var i=0;i<u.length;i++)v=v.concat(b(u[i],t));return v}function b(c,d,e){c=c.normalize().replace(" ","`");var f=c.match(a);var g,h,i,j,k,n;var l=[];if(f==null)f=[c,c];if(f[1]=="")f[1]="*";if(e==null)e="`";if(d==null)d=document;switch(f[2]){case "#":k=f[3].match(a);if(k==null)k=[null,f[3]];g=document.getElementById(k[1]);if(g==null||(f[1]!="*"&&!o(g,f[1])))return l;if(k.length==2){l.push(g);return l}return b(k[3],g,k[2]);case ".":if(e!=">")h=m(d,f[1]);else h=d.childNodes;for(i=0,n=h.length;i<n;i++){g=h[i];if(g.nodeType!=1)continue;k=f[3].match(a);if(k!=null){if(g.className==null||g.className.match("\\b"+k[1]+"\\b")==null)continue;j=b(k[3],g,k[2]);l=l.concat(j)}else if(g.className!=null&&g.className.match("\\b"+f[3]+"\\b")!=null)l.push(g)}return l;case ">":if(e!=">")h=m(d,f[1]);else h=d.childNodes;for(i=0,n=h.length;i<n;i++){g=h[i];if(g.nodeType!=1)continue;if(!o(g,f[1]))continue;j=b(f[3],g,">");l=l.concat(j)}return l;case "`":h=m(d,f[1]);for(i=0,n=h.length;i<n;i++){g=h[i];j=b(f[3],g,"`");l=l.concat(j)}return l;default:if(e!=">")h=m(d,f[1]);else h=d.childNodes;for(i=0,n=h.length;i<n;i++){g=h[i];if(g.nodeType!=1)continue;if(!o(g,f[1]))continue;l.push(g)}return l}}function m(d,o){if(o=="*"&&d.all!=null)return d.all;return d.getElementsByTagName(o)}function o(p,q){return q=="*"?true:p.nodeName.toLowerCase().replace("html:", "")==q.toLowerCase()}return r}();var sIFR=function(){var a="http://www.w3.org/1999/xhtml";var b=false;var c=false;var d;var ah=[];var al=document;var ak=al.documentElement;var am=window;var au=al.addEventListener;var av=am.addEventListener;var f=function(){var g=navigator.userAgent.toLowerCase();var f={a:g.indexOf("applewebkit")>-1,b:g.indexOf("safari")>-1,c:navigator.product!=null&&navigator.product.toLowerCase().indexOf("konqueror")>-1,d:g.indexOf("opera")>-1,e:al.contentType!=null&&al.contentType.indexOf("xml")>-1,f:true,g:true,h:null,i:null,j:null,k:null};f.l=f.a||f.c;f.m=!f.a&&navigator.product!=null&&navigator.product.toLowerCase()=="gecko";if(f.m)f.j=new Number(g.match(/.*gecko\/(\d{8}).*/)[1]);f.n=g.indexOf("msie")>-1&&!f.d&&!f.l&&!f.m;f.o=f.n&&g.match(/.*mac.*/)!=null;if(f.d)f.i=new Number(g.match(/.*opera(\s|\/)(\d+\.\d+)/)[2]);if(f.n||(f.d&&f.i<7.6))f.g=false;if(f.a)f.k=new Number(g.match(/.*applewebkit\/(\d+).*/)[1]);if(am.hasFlash&&(!f.n||f.o)){var aj=(navigator.plugins["Shockwave Flash 2.0"]||navigator.plugins["Shockwave Flash"]).description;f.h=parseInt(aj.charAt(aj.indexOf(".")-1))}if(g.match(/.*(windows|mac).*/)==null||f.o||f.c||(f.d&&(g.match(/.*mac.*/)!=null||f.i<7.6))||(f.b&&f.h<7)||(!f.b&&f.a&&f.k<124)||(f.m&&f.j<20020523))f.f=false;if(!f.o&&!f.m&&al.createElementNS)try{al.createElementNS(a,"i").innerHTML=""}catch(e){f.e=true}f.p=f.c||(f.a&&f.k<312)||f.n;return f}();function at(){return{bIsWebKit:f.a,bIsSafari:f.b,bIsKonq:f.c,bIsOpera:f.d,bIsXML:f.e,bHasTransparencySupport:f.f,bUseDOM:f.g,nFlashVersion:f.h,nOperaVersion:f.i,nGeckoBuildDate:f.j,nWebKitVersion:f.k,bIsKHTML:f.l,bIsGecko:f.m,bIsIE:f.n,bIsIEMac:f.o,bUseInnerHTMLHack:f.p}}if(am.hasFlash==false||!al.getElementsByTagName||!al.getElementById||(f.e&&f.p))return{UA:at()};function af(e){if((!k.bAutoInit&&(am.event||e)!=null)||!l(e))return;b=true;for(var i=0,h=ah.length;i<h;i++)j.apply(null,ah[i]);ah=[]}var k=af;function l(e){if(c==false||k.bIsDisabled==true||((f.e&&f.m||f.l)&&e==null&&b==false)||(al.body==null||al.getElementsByTagName("body").length==0))return false;return true}function m(n){if(f.n)return n.replace(new RegExp("%\d{0}","g"),"%25");return n.replace(new RegExp("%(?!\d)","g"),"%25")}function as(p,q){return q=="*"?true:p.nodeName.toLowerCase().replace("html:", "")==q.toLowerCase()}function o(p,q,r,s,t){var u="";var v=p.firstChild;var w,x,y,z;if(s==null)s=0;if(t==null)t="";while(v){if(v.nodeType==3){z=v.nodeValue.replace("<","&lt;");switch(r){case "lower":u+=z.toLowerCase();break;case "upper":u+=z.toUpperCase();break;default:u+=z}}else if(v.nodeType==1){if(as(v,"a")&&!v.getAttribute("href")==false){if(v.getAttribute("target"))t+="&sifr_url_"+s+"_target="+v.getAttribute("target");t+="&sifr_url_"+s+"="+m(v.getAttribute("href")).replace(/&/g,"%26");u+='<a href="asfunction:_root.launchURL,'+s+'">';s++}else if(as(v,"br"))u+="<br/>";if(v.hasChildNodes()){y=o(v,null,r,s,t);u+=y.u;s=y.s;t=y.t}if(as(v,"a"))u+="</a>"}w=v;v=v.nextSibling;if(q!=null){x=w.parentNode.removeChild(w);q.appendChild(x)}}return{"u":u,"s":s,"t":t}}function A(B){if(al.createElementNS&&f.g)return al.createElementNS(a,B);return al.createElement(B)}function C(D,E,z){var p=A("param");p.setAttribute("name",E);p.setAttribute("value",z);D.appendChild(p)}function F(p,G){var H=p.className;if(H==null)H=G;else H=H.normalize()+(H==""?"":" ")+G;p.className=H}function aq(ar){var a=ak;if(k.bHideBrowserText==false)a=al.getElementsByTagName("body")[0];if((k.bHideBrowserText==false||ar)&&a)if(a.className==null||a.className.match(/\bsIFR\-hasFlash\b/)==null)F(a, "sIFR-hasFlash")}function j(I,J,K,L,M,N,O,P,Q,R,S,r,T){if(!l())return ah.push(arguments);aq();named.extract(arguments,{sSelector:function(ap){I=ap},sFlashSrc:function(ap){J=ap},sColor:function(ap){K=ap},sLinkColor:function(ap){L=ap},sHoverColor:function(ap){M=ap},sBgColor:function(ap){N=ap},nPaddingTop:function(ap){O=ap},nPaddingRight:function(ap){P=ap},nPaddingBottom:function(ap){Q=ap},nPaddingLeft:function(ap){R=ap},sFlashVars:function(ap){S=ap},sCase:function(ap){r=ap},sWmode:function(ap){T=ap}});var U=parseSelector(I);if(U.length==0)return false;if(S!=null)S="&"+S.normalize();else S="";if(K!=null)S+="&textcolor="+K;if(M!=null)S+="&hovercolor="+M;if(M!=null||L!=null)S+="&linkcolor="+(L||K);if(O==null)O=0;if(P==null)P=0;if(Q==null)Q=0;if(R==null)R=0;if(N==null)N="#FFFFFF";if(T=="transparent")if(!f.f)T="opaque";else N="transparent";if(T==null)T="";var p,V,W,X,Y,Z,aa,ab,ac;var ad=null;for(var i=0,h=U.length;i<h;i++){p=U[i];if(p.className!=null&&p.className.match(/\bsIFR\-replaced\b/)!=null)continue;V=p.offsetWidth-R-P;W=p.offsetHeight-O-Q;aa=A("span");aa.className="sIFR-alternate";ac=o(p,aa,r);Z="txt="+m(ac.u).replace(/\+/g,"%2B").replace(/&/g,"%26").replace(/\"/g, "%22").normalize() + S + "&w=" + V + "&h=" + W + ac.t;F(p,"sIFR-replaced");if(ad==null||!f.g){if(!f.g)p.innerHTML=['<embed class="sIFR-flash" type="application/x-shockwave-flash" src="',J,'" quality="best" wmode="',T,'" bgcolor="',N,'" flashvars="',Z,'" width="',V,'" height="',W,'" 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if(!f.c&&(al.addEventListener||am.addEventListener)){if(f.a&&f.k>=132&&am.addEventListener)am.addEventListener("load",function(){setTimeout("sIFR({})",1)},false);else{if(al.addEventListener)al.addEventListener("load",af,false);if(am.addEventListener)am.addEventListener("load",af,false)}}else if(typeof am.onload=="function"){var ag=am.onload;am.onload=function(){ag();af()}}else am.onload=af;if(!f.n||am.location.hash=="")k.bFixFragIdBug=false;else ai()}k.UA=at();k.bAutoInit=true;k.bFixFragIdBug=true;k.replaceElement=j;k.updateDocumentTitle=ai;k.appendToClassName=F;k.setup=ae;k.debug=function(){aq(true)};k.debug.replaceNow=function(){ae();k()};k.bIsDisabled=false;k.bHideBrowserText=true;return k}();

if(typeof sIFR == "function" && !sIFR.UA.bIsIEMac){
	sIFR.setup();
};

/*	sIFR 2.0.1 Official Add-ons 1.2
	Copyright 2005 Mark Wubben

	This software is licensed under the CC-GNU LGPL <http://creativecommons.org/licenses/LGPL/2.1/>
*/

if(typeof sIFR=="function")(function(){var j=document;var h=j.documentElement;sIFR.removeDecoyClasses=function(){function a(b){if(b&&b.className!=null)b.className=b.className.replace(/\bsIFR-hasFlash\b/,"")}return function(){a(h);a(j.getElementsByTagName("body")[0])}}();sIFR.preferenceManager={storage:{sCookieId:"sifr",set:function(a){var b=new Date();b.setFullYear(b.getFullYear()+3);j.cookie=[this.sCookieId,"=",a,";expires=",b.toGMTString(),";path=/"].join("")},get:function(){var a=j.cookie.match(new RegExp(";?"+this.sCookieId+"=([^;]+);?"));if(a!=null&&a[1]=="false")return false;else return true},reset:function(){var a=new Date();a.setFullYear(a.getFullYear()-1);j.cookie=[this.sCookieId,"=true;expires=",a.toGMTString(),";path=/"].join("")}},disable:function(){this.storage.set(false)},enable:function(){this.storage.set(true)},test:function(){return this.storage.get()}};if(sIFR.preferenceManager.test()==false){sIFR.bIsDisabled=true;sIFR.removeDecoyClasses()}sIFR.rollback=function(){function a(b){var c,d,e,f,g,h;var l=parseSelector(b);var i=l.length-1;var m=false;while(i>=0){c=l[i];l.length--;d=c.parentNode;if(c.getAttribute("sifr")=="true"){h=0;while(h<d.childNodes.length){c=d.childNodes[h];if(c.className=="sIFR-alternate"){e=c;h++;continue}d.removeChild(c)}if(e!=null){f=e.firstChild;while(f!=null){g=f.nextSibling;d.appendChild(e.removeChild(f));f=g}d.removeChild(e)}if(!sIFR.UA.bIsXML&&sIFR.UA.bUseInnerHTMLHack)d.innerHTML+="";d.className=d.className.replace(/\bsIFR\-replaced\b/,"")};m=true;i--}return m}return function(k){named.extract(arguments,{sSelector:function(a){k=a}});if(k==null)k="";else k+=">";sIFR.removeDecoyClasses();sIFR.bHideBrowserText=false;if(a(k+"embed")==false)a(k+"object")}}()})()

/* added by toon: workaround disable sifr op safari */
if(typeof sIFR == "function" && sIFR.UA.bIsSafari){
    sIFR.preferenceManager.disable();
};
/*

xxxxxxxxxxxxxxxxxxxxxxxxxxx

Clinic Home Buttons
xxxxxxxxxxxxxxxxxxxxxxxxxxx

*/
function loadClinicHomeButtons(){
   // Get all a's with class="home-button-holder"
   var a = getElementsByClassName("home-button-holder", "a", document.getElementById("content-home"));
	// Add mouse-over and mouse-out events to each a with class home-button-holder
	for (var i=0; i<a.length; i++) {
	    if(!(HasClassName(a[i],'no-hover'))){
		    a[i].onmouseover = a[i].onmouseout = function () {hoverClinicHomeButton(this)};
		    EventCache.add(a[i], "onmouseover", function () {hoverClinicHomeButton(this); }, false);
		    EventCache.add(a[i], "onmouseout", function () {hoverClinicHomeButton(this); }, false);
		}
	}
   var b = getElementsByClassName("text", "a", document.getElementById("content-home"));
	// Add mouse-over and mouse-out events to a with class text
	for (var i=0; i<b.length; i++) {
	    if(!(HasClassName(b[i],'no-hover'))){
	        // The sibling is the parameter for the hoverClinicHomeButton function, previousSibling works buggy though, so determining it the long way
		    b[i].onmouseover = b[i].onmouseout = function () {hoverClinicHomeButton(getElementsByClassName("home-button-holder", "a", this.parentNode)[0])};
		    EventCache.add(b[i], "onmouseover", function () {hoverClinicHomeButton(getElementsByClassName("home-button-holder", "a", this.parentNode)[0]); }, false);
		    EventCache.add(b[i], "onmouseout", function () {hoverClinicHomeButton(getElementsByClassName("home-button-holder", "a", this.parentNode)[0]); }, false);
		}
	}	
	// deze door het hele document
   var c = getElementsByClassName("hover-image", "a");
	// Add mouse-over and mouse-out events to a with class text
	for (var i=0; i<c.length; i++) {
	    if(!(HasClassName(c[i],'no-hover'))){
		    c[i].onmouseover = c[i].onmouseout = function () {hoverClinicHomeButton(this.childNodes[0])};
		    EventCache.add(c[i], "onmouseover", function () {hoverClinicHomeButton(this.childNodes[0]); }, false);
		    EventCache.add(c[i], "onmouseout", function () {hoverClinicHomeButton(this.childNodes[0]); }, false);
		}
	}	
}

function hoverClinicHomeButton(a){

    if(HasClassName(a,'hover-position')){
        RemoveClassName(a,'hover-position');
    }else{
        AddClassName(a,'hover-position',false);
    }
}

function getElementsByClassName(className, tag, elm) {
		var testClass = new RegExp("(^|\\s)" + className + "(\\s|$)");
		var tag = tag || "*";
		var elm = elm || document;
		var elements = (tag == "*" && elm.all)? elm.all : elm.getElementsByTagName(tag);
		var returnElements = [];
		var current;
		var length = elements.length;
		for(var i=0; i<length; i++){
			current = elements[i];
			if(testClass.test(current.className)){
				returnElements.push(current);
			}
		}
		return returnElements;
}

function HasClassName(objElement, strClass){
    if ( objElement.className ){
     var arrList = objElement.className.split(' ');
     var strClassUpper = strClass.toUpperCase();
     for ( var i = 0; i < arrList.length; i++ ){
         if ( arrList[i].toUpperCase() == strClassUpper ){
            return true;
         }
     }
   }
   return false;
}

function AddClassName(objElement, strClass, blnMayAlreadyExist){
   if ( objElement.className ){
      var arrList = objElement.className.split(' ');
      if ( blnMayAlreadyExist ){
         var strClassUpper = strClass.toUpperCase();
         for ( var i = 0; i < arrList.length; i++ ){
            if ( arrList[i].toUpperCase() == strClassUpper ){
               arrList.splice(i, 1);
               i--;
            }
         }
      }
      arrList[arrList.length] = strClass;    
      objElement.className = arrList.join(' ');
   }else{ 
      objElement.className = strClass;
   }
}

function RemoveClassName(objElement, strClass){
   if ( objElement.className ){
      var arrList = objElement.className.split(' ');
      var strClassUpper = strClass.toUpperCase();
      for ( var i = 0; i < arrList.length; i++ ){
         if ( arrList[i].toUpperCase() == strClassUpper ){
            arrList.splice(i, 1);
            i--;
         }
      }
      objElement.className = arrList.join(' ');
   }
}