<!-- 

browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
   version = "no";
   if (browserName == "Netscape" && browserVer >= 3) version = "ok";
   if (browserName == "Microsoft Internet Explorer" && browserVer >=4) version = "ok";
if (version == "ok")
{
  buttonon = new Image();
  buttonon.src = "mainpage.gif";
  buttonoff = new Image();
  buttonoff.src = "mainpage1.gif"; 

  button1on = new Image();	
  button1on.src = "store.gif";
  button1off = new Image();
  button1off.src = "store1.gif"; 
  
  button2on = new Image();	
  button2on.src = "zap.gif";
  button2off = new Image();
  button2off.src = "zap1.gif"; 
  
  button3on = new Image();	
  button3on.src = "contact.gif";
  button3off = new Image();
  button3off.src = "contact1.gif"; 
  
    }  

function select(imgName) 
{
  if (version == "ok")
  {
    imgOn = eval(imgName + "off.src");
    document [imgName].src = imgOn;
  }
}

function deselect(imgName) 

{
  if (version == "ok")
  {
    imgOff = eval(imgName + "on.src");
    document [imgName].src = imgOff;
  }
}
 -->