if(navigator.appName == "Microsoft Internet Explorer"){
   var versionStr = (navigator.userAgent).split(";")[1].split(" ")[2];
   var version = parseFloat(versionStr);

   if(version < 7){
      document.write('' +
      '<div style="font-size:1px; height:14px;">&#160;</div>' +
      '');
   }
   else if(version >= 7){
      document.write('' +
      '<style type="text/css">' +
      '   .menuPaddingBottom{' +
      '      padding-bottom:3px;' +
      '   }' +
      '</style>' +
      '');
   }
}