function getCookie(key){
	var tmp = document.cookie + ";";
	var tmp1 = tmp.indexOf(key, 0);
	var start = 0;
	var end = 0;

	if(tmp1 == -1){
		return false;
	} else {
		tmp = tmp.substring(tmp1, tmp.length);
		start = tmp.indexOf("=", 0);
		end = tmp.indexOf(";", start);
		return unescape(tmp.substring(start+1, end));
	}
}