var expdays = "365";
	var expdate = new Date ();
	expdate.setTime (expdate.getTime() + (expdays * 24 * 60 * 60 * 1000));
	function set_cookie(varname,varvalue)
	{
		var cookie_string = varname + '=' + varvalue + '; path=/; expires=' + expdate.toGMTString();
		//alert(cookie_string);
		document.cookie= cookie_string;
		document.location.href = "";
	}