var browserName = navigator.appName;
var browserVer = parseFloat(navigator.appVersion);
var browserMac = navigator.appVersion.indexOf("Macintosh");
var browserWin = navigator.appVersion.indexOf("Win");

window.onerror = null;

var loaded = false;

if (browserName == "Netscape" && browserVer >= 3)
version = "n3";
else if (browserName == "Microsoft Internet Explorer"
&& browserVer >= 3.01
&& browserMac != -1) version = "ie3m";
else version = "n2";

// ---------- This is the code for the image rollOvers  ----------    

if ((version == "n3") || (version == "ie3m")) {    
img1off = new Image();    
img1off.src = "images/home.gif";    
img2off = new Image();    
img2off.src = "images/fp.gif";    
img3off = new Image();    
img3off.src = "images/bi.gif";    
img4off = new Image();    
img4off.src = "images/tt.gif";
img5off = new Image();    
img5off.src = "images/er.gif";
img6off = new Image();    
img6off.src = "images/fares.gif";
img7off = new Image();    
img7off.src = "images/hi.gif";
img8off = new Image();    
img8off.src = "images/ci.gif";
img9off = new Image();    
img9off.src = "images/hp.gif";


img1on = new Image();    
img1on.src = "images/home_g.gif";
img2on = new Image();    
img2on.src = "images/fp_g.gif";    
img3on = new Image();    
img3on.src = "images/bi_g.gif";    
img4on = new Image();    
img4on.src = "images/tt_g.gif";    
img5on = new Image();    
img5on.src = "images/er_g.gif";    
img6on = new Image();    
img6on.src = "images/fares_g.gif";    
img7on = new Image();    
img7on.src = "images/hi_g.gif";    
img8on = new Image();    
img8on.src = "images/ci_g.gif";    
img9on = new Image();    
img9on.src = "images/hp_g.gif";    

loaded = true;    
}    

function rollOver(imgName) {    
if ((version == "n3") || (version == "ie3m")) {    
if (loaded == true) {    
imgOn = eval(imgName + "on.src");    
document [imgName].src = imgOn;    
}    
}    
return true;    
}    

function rollOut(imgName) {    
if ((version == "n3") || (version == "ie3m")) {    
if (loaded == true) {    
imgOff = eval(imgName + "off.src");    
document [imgName].src = imgOff;    
}    
}    
return true;    
}