browserName=navigator.appName; 
browserVer=parseInt(navigator.appVersion);

  if ((browserName=="Netscape" && browserVer>=3) || (browserName=="Microsoft Internet Explorer" && browserVer>=4))    
  version="n3";
  else
    version="n2";

  if (version=="n3")
   {
     pic0on= new Image();
     pic0on.src="../../images/home_on.gif";
     pic1on= new Image();
     pic1on.src="../../images/proj_on.gif";
     pic2on= new Image();
     pic2on.src="../../images/geinfo_on.gif";
     pic3on= new Image();
     pic3on.src="../../images/support_on.gif";
     pic4on= new Image();
     pic4on.src="../../images/meinfo_on.gif";
     pic5on= new Image();
     pic5on.src="../../images/msgbrd_on.gif";
     pic6on= new Image();
     pic6on.src="../../images/partner_on.gif";  
     pic7on= new Image();
     pic7on.src="../../images/dferrett_on.gif";
     
     pic0off= new Image();
     pic0off.src="../../images/home_off.gif";
     pic1off= new Image();
     pic1off.src="../../images/proj_off.gif";
     pic2off= new Image();
     pic2off.src="../../images/geinfo_off.gif";
     pic3off= new Image();
     pic3off.src="../../images/support_off.gif";
     pic4off= new Image();
     pic4off.src="../../images/meinfo_off.gif";
     pic5off= new Image();
     pic5off.src="../../images/msgbrd_off.gif";
     pic6off= new Image();
     pic6off.src="../../images/partner_off.gif";
     pic7off= new Image();
     pic7off.src="../../images/dferrett_off.gif";
     
   }

function lightup(imgName)
 {
   if (version=="n3")
    {
      imgOn=eval(imgName + "on.src");
      document[imgName].src= imgOn;
    }
 }

function turnoff(imgName)
 {
   if (version=="n3")
    {
      imgOff=eval(imgName + "off.src");
      document[imgName].src= imgOff;
    }
 }