function passWd() 
     {
	var lop=1;
	while (lop) 
              {
	   var passwd = prompt("Enter password!");
                 if (passwd == "par15") 
	   {      location.href="Medlem.html"; break; 
                 }
	   else if (passwd == "" || passwd == null || lop==3) { history.back(); break; }
	   lop++;
               }
               return " ";
     }
     document.write(passWd());