//This is a test to determine the browser type

  var ok_browser = 1;

  bName = navigator.appName;

  bVer = parseInt(navigator.appVersion);


  ver = "n2"

  if      (bName == "Netscape" && bVer >= 3) ver = "n3";

  else if (bName == "Netscape" && bVer == 2) ver = "n2";

  else if (bName == "Microsoft Internet Explorer" && bVer >= 4) ver = "e4";


  if (ver == "n3" || ver == "e4")

    ok_browser = 0;

  else

    ok_browser = 1;


  if ( ok_browser == 0 )

  {

			image1on = new Image();

        image1on.src = "macoicn2.gif";

        image1off = new Image();

        image1off.src = "macoicn1.gif";        

        
    }

    function imageon(myname)

    {

        if ( ok_browser == 0 )

        {

          imgOn = eval(myname + "on.src");

          document[myname].src = imgOn;

        }

    }

    function imageoff(myname)

    {

        if ( ok_browser == 0 )

        {

          imgOff = eval(myname + "off.src");

          document[myname].src = imgOff;

        }

    }