function SetCookie(name,value,exp)
{
	// exp is expiration (hours)
	var expires = "";
	if (exp)
	{
		var date = new Date();
		date.setTime(date.getTime() + (exp*60*60*1000));
		expires = "; expires="+date.toGMTString();
	}
	document.cookie = name + "=" + escape(value) + expires + ";";
}

function GetCookie(name)
{
	var s = name + "="; // cookie to search for
	var aCookies = document.cookie.split(';'); // array of cookies
	for(var i=0; i<aCookies.length; i++)
	{
		var c = aCookies[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length); // trim cookie
		if (c.indexOf(s) == 0) return unescape(c.substring(s.length,c.length));
	}
	return null;
}

function ResetCookie(name)
{
	SetCookie(name,"",-1);
}