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);

  HEAD20 = new Image(50,20);
  HEAD21 = 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);
  
  HEAD20on = new Image(50,20);
  HEAD21on = new Image(50,20);
  

  BLANK = new Image(118,13);



HEAD10.src = "http://www.kruppkommunications.com/img/nav/home.gif";
HEAD11.src = "http://www.kruppkommunications.com/img/nav/who.gif";
HEAD12.src = "http://www.kruppkommunications.com/img/nav/what.gif";
HEAD13.src = "http://www.kruppkommunications.com/img/nav/whatUp.gif";
HEAD14.src = "http://www.kruppkommunications.com/img/nav/testimonials.gif";
HEAD15.src = "http://www.kruppkommunications.com/img/nav/clients.gif";
HEAD16.src = "http://www.kruppkommunications.com/img/nav/results.gif";

HEAD20.src = "http://www.kruppkommunications.com/img/nav/media.gif";
HEAD21.src = "http://www.kruppkommunications.com/img/nav/contact.gif";

 
HEAD10on.src = "http://www.kruppkommunications.com/img/nav/homeD.gif";
HEAD11on.src = "http://www.kruppkommunications.com/img/nav/whoD.gif";
HEAD12on.src = "http://www.kruppkommunications.com/img/nav/whatD.gif";
HEAD13on.src = "http://www.kruppkommunications.com/img/nav/whatUpD.gif";
HEAD14on.src = "http://www.kruppkommunications.com/img/nav/testimonialsD.gif";
HEAD15on.src = "http://www.kruppkommunications.com/img/nav/clientsD.gif";
HEAD16on.src = "http://www.kruppkommunications.com/img/nav/resultsD.gif";

HEAD20on.src = "http://www.kruppkommunications.com/img/nav/mediaD.gif";
HEAD21on.src = "http://www.kruppkommunications.com/img/nav/contactD.gif";
 

  BLANK.src = "http://www.kruppkommunications.com/img/trans.gif"
}