function check_browser()
{
  var version_number = navigator.appVersion.charAt(0);

  if (navigator.appName.indexOf("Netscape") != -1)
  {
    if (version_number < 3)
    {
      return false;
    }
    return true;
  }

  if (navigator.appName.indexOf("Explorer") != -1)
  {
    if (version_number < 4)
    {
      return false;
    }
    return true;
  }

  // unknown
  return false;
}


  if (check_browser()) 
{  
  <!--menu-->

  
  HEAD10 = new Image(50,20);
  HEAD11 = new Image(50,20);
  HEAD12 = new Image(50,20);
  HEAD13 = new Image(50,20);
  HEAD14 = new Image(50,20);
  HEAD15 = new Image(50,20);
  HEAD16 = new Image(50,20);

  
  HEAD10on = new Image(50,20);
  HEAD11on = new Image(50,20);
  HEAD12on = new Image(50,20);
  HEAD13on = new Image(50,20);
  HEAD14on = new Image(50,20);
  HEAD15on = new Image(50,20);
  HEAD16on = new Image(50,20);


  BLANK = new Image(118,13);



  HEAD11.src = "/car-rental/html/employment/images/nav/home.gif";
HEAD12.src = "/car-rental/html/employment/images/nav/culture.gif";
  HEAD13.src = "/car-rental/html/employment/images/nav/career.gif";
  HEAD14.src = "/car-rental/html/employment/images/nav/search.gif";
   HEAD15.src = "/car-rental/html/employment/images/nav/benefits.gif";
   HEAD16.src = "/car-rental/html/employment/images/nav/about.gif";


  
  HEAD11on.src = "/car-rental/html/employment/images/nav/homeO.gif";
  HEAD12on.src = "/car-rental/html/employment/images/nav/cultureO.gif";
  HEAD13on.src = "/car-rental/html/employment/images/nav/careerO.gif";
  HEAD14on.src = "/car-rental/html/employment/images/nav/searchO.gif";
   HEAD15on.src = "/car-rental/html/employment/images/nav/benefitsO.gif";
   HEAD16on.src = "/car-rental/html/employment/images/nav/aboutO.gif";

 

  BLANK.src = "/car-rental/html/employment/images/trans.gif"
}

function openWin(URL) {
popWindow=window.open(URL,"secondwin","width=780,height=400,status=no,scrollbars=yes,resizable=no,location=no,menubar=no,toolbar=no,top=250,left=250");
popWindow.focus();
}