//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"; 

ok_browser = (ver == "n3" || ver == "e4") ? 0 : 1;

function imageon(myname) 
{ 
  if ( ok_browser == 0 ) 
  { 
    imgOn = new Image();
    imgOn.src = "../images/" + myname + "_over.gif";
    document[myname].src = imgOn.src; 
  } 
} 

function imageoff(myname) 
{ 
  if ( ok_browser == 0 ) 
  { 
    imgOff = new Image(); 
    imgOff.src = "../images/" + myname + ".gif";
    document[myname].src = imgOff.src; 
  } 
}


function openWindow(theURL,winName,features) 
{ 
  window.open(theURL,winName,features);
}