function getCookie(key){
	tmp = document.cookie+";";
	tmp1 = tmp.indexOf(key,0);
	if(tmp1 != -1){
		tmp = tmp.substring(tmp1,tmp.length);
		start = tmp.indexOf("=",0);
		end = tmp.indexOf(";",start);
		return(unescape(tmp.substring(start+1,end)));
	}
	return("");
}

function setCookie(key, val){
	document.cookie = key + "=" + escape(val) + ";expires=Fri, 31-Dec-2030 23:59:59;";
}