var browser=navigator.appName + " " + navigator.appVersion;
function yeniPen(url,name,properties)
   {
   if (browser.substring(0, 8)=="Netscape")
      {
      var newWind=window.open(url,name,properties);
      if (newWind.opener == null)
         { newWind.opener = window; }
      else
         { 
         if (browser.substring(0, 12)=="Netscape 3.0")
            newWind.focus();
         if (browser.substring(0, 12)=="Netscape 2.0")
            newWind.document.forms[0].display.focus();
         }
      }
   else
      {
      var newWind=window.open(url,name,properties);
      if (newWind.opener == null)
         { newWind.opener = window; }
      }
    }