var cookie_name = "mbintranetuserid";
 	
	function log_new() {
	
		var cookie_value = "";
		cookie_value = GetCookie(cookie_name);
		// log out
		if( cookie_value != ""  && cookie_value != null ) {
			DeleteCookie (cookie_name,"/");
			alert("You are logged out");
			self.location="b2b_start.php";
		}
	}