function navpruef()
  {
         var navnam;
        (navnam = navigator.appName);
                if (navnam != "Microsoft Internet Explorer")                {
window.open("popupinfo.htm","popupinfo","toolbar=no,width=360,height=405,top=40,left=410,dependent=yes,directories=no,status=no,scrollbars=no,resize=no,menubar=no");
        }
   }