
<!--
  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 ) 
{ 
        oneon = new Image(); 
        oneon.src = "images/bans/button1-on.gif"; 
        oneoff = new Image(); 
        oneoff.src = "images/bans/button1.gif";  
        twoon = new Image();
        twoon.src = "images/bans/button2-on.gif";
        twooff = new Image();
        twooff.src = "images/bans/button2.gif";
        threeon = new Image();
        threeon.src = "images/bans/button3-on.gif";
        threeoff = new Image();
        threeoff.src = "images/bans/button3.gif";	  
        fouron = new Image();
        fouron.src = "images/bans/button4-on.gif";
        fouroff = new Image();
        fouroff.src = "images/bans/button4.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; 
        } 
    } 
// -->