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

function Get_Cookie(name) {
	var arg=name+"=";
	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 Get_Cookie_Val(j);
			i=document.cookie.indexOf(" ", i)+1;
			if (i==0) break;
		}

	return null;
}