/**
 * util.js 
 * by Garrett Smith 
 * Provides functionality for working nodeLists.
 */
Browser={isSupported:
function(){return(Boolean(document.getElementsByTagName)&&Boolean(document.getElementById));
},id:new function(){
var ua=navigator.userAgent;
var OMNI=ua.indexOf("Omni")>0;
this.OP5=ua.indexOf("Opera 5")>=0||ua.indexOf("Opera 6")>=0;
this.OP7=ua.indexOf("Opera 7")>=0;
this.MAC=ua.indexOf("Mac")>0;
if(!this.OP5&&!OMNI)
{
this.IE5=ua.indexOf("MSIE 5")>0;
this.IE5_0=ua.indexOf("MSIE 5.0")>0;
this.NS6=ua.indexOf("Gecko")>0;
this.MOZ=this.NS6&&ua.indexOf("Netscape")==-1;
this.MAC_IE5=this.MAC&&this.IE5;
this.IE6=ua.indexOf("MSIE 6")>0;
this.KONQUEROR=ua.indexOf("Konqueror/")>0;}}};
var px="px";TokenizedExps={};

function getTokenizedExp(t){
var x=TokenizedExps[t];
if(!x)
x=TokenizedExps[t]=new RegExp("\\b"+t+"\\b");
return x;
}
function hasToken(s,t){
return getTokenizedExp(t).test(s);
};
function getChildNodesWithClass(p,kl){
var coll=p.childNodes;var rc=[];
var exp=getTokenizedExp(kl);
for(var i=0,n=0;i<coll.length;i++)
if(exp.test(coll[i].className))
rc[n++]=coll[i];
return rc;}function getElementsWithClass(p,t,kl)
{
var rc=[];var exp=getTokenizedExp(kl);
var coll=(t=="*"&&p.all)?p.all:p.getElementsByTagName(t);
for(var i=0,n=0;i<coll.length;i++)
{
if(exp.test(coll[i].className))
rc[n++]=coll[i];
}
return rc;
}
function get_elements_with_class_from_classList(el,t,classList){
var rc=new Array(0);
var coll=(t=="*"&&el.all)?el.all:el.getElementsByTagName(t);
var exps=[];
for(var i=0;i<classList.length;i++)
exps[i]=getTokenizedExp(classList[i]);
for(var j=0,coLen=coll.length;j<coLen;j++){
kloop:for(var k=0;k<classList.length;k++){
if(exps[k].test(coll[j].className))
{
rc[rc.length]=coll[j];
break kloop;
}
}
}
return rc;
}
function findAncestorWithClass(el,kl){
var exp=getTokenizedExp(kl);
for(var p=el.parentNode;p!=null;
){
if(exp.test(p.className) )
return p;p=p.parentNode;
}return null;
}
function getDescendantById(p,id){
var childNodes=p.all?p.all:p.getElementsByTagName("*");
for(var i=0,len=childNodes.length;i<len;i++)
if(childNodes[i].id==id)
return childNodes[i];
return null;
}
function removeClass(el,kl){el.className=el.className.replace(getTokenizedExp(kl),"").normalize();}
function repaintFix(el){el.style.visibility='hidden';el.style.visibility='visible';
}
String.prototype.trim=function(){
return this.replace(/^\s+|\s+$/g,"");
};
String.prototype.normalize=function(){
return this.trim().replace(/\s\s+/g," ");
};
if(!Array.prototype.unshift)
Array.prototype.unshift=function(){
this.reverse();
for(var i=arguments.length-1;i>-1;i--)
this[this.length]=arguments[i];
this.reverse();
return this.length;};