function forward(changer) {
   var BrowserSwitch = 0;
   if( ((navigator.appName == "Microsoft Internet Explorer") || (navigator.appName == "Netscape")) && (navigator.appVersion.substring(0,1) >= "3") ) {
      BrowserSwitch = 1;
   }

   if(BrowserSwitch == 1) {
      var newpage=changer.selectedIndex;
      if (changer.options[newpage].value !="blank")
      {
         top.location=changer.options[newpage].value;
      }
      return(false);
   }
}