function Get_Cookie (name) {
	var start = document.cookie.indexOf(name+"=");
	var len = start+name.length+1;
	if ((!start) && (name != document.cookie.substring(0,name.length))) return null;
	if (start == -1) return null;
	var end = document.cookie.indexOf(";",len);
	if (end == -1) end = document.cookie.length;
	return unescape(document.cookie.substring(len,end));
}

function Set_Cookie (name,value,daysExpired,path,domain,secure) {
	daysExpired = (typeof daysExpired == "number") ? daysExpired : "-1";
	var date = new Date();
	date.setTime(date.getTime() + (daysExpired*24*60*60*1000));
	var expires = date.toGMTString();

	var curCookie = name + "=" +escape(value) +
		( (expires) ? "; expires=" + expires : "") +
		( (path) ? "; path=" + path : "") + 
		( (domain) ? "; domain=" + domain : "") +
		( (secure) ? "; secure" : "");
	document.cookie = curCookie;
}

function Delete_Cookie (name,path,domain) {
	if (Get_Cookie(name)) document.cookie = name + "=" +
		( (path) ? ";path=" + path : "") +
		( (domain) ? ";domain=" + domain : "") +
		";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}