function SetCookie(Cookie_name,Value,Expire_days)
{
	var exdate=new Date();
	exdate.setDate(exdate.getDate()+Expire_days);
	document.cookie=Cookie_name+ "=" +escape(Value)+ ((Expire_days==null) ? "" : ";expires="+exdate.toGMTString());
}
function SetCookieHours(Cookie_name,Value,Expire_hours)
{
	var exdate=new Date();
	exdate.setHours(exdate.getHours()+Expire_hours);
	document.cookie=Cookie_name+ "=" +escape(Value)+ ((Expire_hours==null) ? "" : ";expires="+exdate.toGMTString());
}
function GetCookie(Cookie_name)
{
	if (document.cookie.length>0)
	{
		c_start=document.cookie.indexOf(Cookie_name + "=");
		if (c_start!=-1)
		{
			c_start=c_start + Cookie_name.length+1;
			c_end=document.cookie.indexOf(";",c_start);
			if (c_end==-1)
				c_end=document.cookie.length;
			return unescape(document.cookie.substring(c_start,c_end));
		}
	}
	return "";
}