//Cookie functions
function getCookie(name)
{
	var strArg=name+"=";
	var iArgLength=strArg.length;
	var iCookieLength=document.cookie.length;
	var iIndex=0;
	while(iIndex<iCookieLength)
	{
		var kIndex=iIndex+iArgLength;
		if(document.cookie.substring(iIndex,kIndex)==strArg) return getCookieVal(kIndex);
		iIndex=document.cookie.indexOf(" ",iIndex)+1;
		if(iIndex==0) break;
	}
	return null;
}

function setCookie(name,value)
{
	var strArgValue=setCookie.arguments;
	var iArgLength=setCookie.arguments.length;
	var expires=(2<iArgLength)?strArgValue[2]:null;
	var path=(3<iArgLength)?strArgValue[3]:null;
	var domain=(4<iArgLength)?strArgValue[4]:null;
	var secure=(5<iArgLength)?strArgValue[5]:false;
	document.cookie=name+"="+escape(value)+((expires==null)?"":(";expires="+expires.toGMTString()))+
	((path==null)?"":(";path="+path))+((domain==null)?"":(";domain="+domain))+
	((secure==true)?";secure":"");
}

function getCookieVal(offset)
{
	var iEndStr=document.cookie.indexOf(";",offset);
	if(iEndStr==-1)	iEndStr=document.cookie.length;
	return unescape(document.cookie.substring(offset,iEndStr));
}

function getCookieValue(cookieStr,name)
{
	var cookieArr,i,pos;
	var temp;
	cookieStr=getCookie(cookieStr);
	cookieStr+="";
	if(cookieStr.length==0) return(null);
	if(name.length==0) return(cookieStr);
	cookieArr=cookieStr.split("&")
	for(i=0;i<cookieArr.length;i++){
		temp=cookieArr[i].toLowerCase();	
		if(name.toLowerCase() + "=" == temp.substr(0,name.length) + "=" ) {
			return(temp.substr(name.length+1));
		}
	}
}