//**TC**
//Javascript functions to manage cookies
//20070731

function getCookieVal(offset)
{
var endstr=document.cookie.indexOf (";", offset);
if (endstr==-1) endstr=document.cookie.length;
return unescape(document.cookie.substring(offset, endstr));
}
function getCookie(nom)
{
var arg=nom+"=";
var alen=arg.length;
var clen=document.cookie.length;
var i=0;
while (i<clen)
{
var j=i+alen;
if (document.cookie.substring(i, j)==arg) return getCookieVal(j);
i=document.cookie.indexOf(" ",i)+1;
if (i==0) break;

}
return null;
}

function setCookie(nom, valeur){
	var argv=setCookie.arguments;
	var argc=setCookie.arguments.length;
	var expires=(argc > 2) ? argv[2] : null;
	var path=(argc > 3) ? argv[3] : null;
	var domain=(argc > 4) ? argv[4] : null;
	var secure=(argc > 5) ? argv[5] : false;
	document.cookie=nom+"="+escape(valeur)+
	((expires==null) ? "" : ("; expires="+expires.toGMTString()))+
	((path==null) ? "" : ("; path="+path))+
	((domain==null) ? "" : ("; domain="+domain))+
	((secure==true) ? "; secure" : "");
}

function dropCookie(nom){
	date=new Date;
	date.setFullYear(date.getFullYear()-1);
	setCookie(nom,null,date);
}

//Return var from the url like $_GET in PHP
function getVarFromURL(param) {
 	var chaine=window.location.search;
	var contenu = "";
 	chaine=chaine.substring(1);
 	var dz=chaine.indexOf("#",0);
 	if(dz!=-1) {
 		chaine=chaine.substring(0,dz);
	}
 	chaine=chaine+"&";
 	
	if(chaine.indexOf(param,0)!=-1){
 		var pos=chaine.indexOf(param,0);
 		var pos2=chaine.indexOf("=",pos);
 		var pos3=chaine.indexOf("&",pos);
 		contenu=chaine.substring(pos2+1,pos3);
	}
 	return contenu;
}