bName = navigator.appName;
bVer = parseInt(navigator.appVersion);
if ((bName == "Netscape" && bVer >= 3) || 
(bName == "Microsoft Internet Explorer" && bVer >= 4)) br = "n3"; 
else br = "n2";
   
if (br== "n3") {
img1on = new Image();  
img1on.src = "/core/header/nav_vitrancorporation_over.gif";
img2on = new Image(); 
img2on.src = "/core/header/nav_investorrelations_over.gif";
img3on = new Image(); 
img3on.src = "/core/header/nav_canadianltl_over.gif";
img4on = new Image(); 
img4on.src = "/core/header/nav_usltl_over.gif";
img5on = new Image(); 
img5on.src = "/core/header/nav_logistics_over.gif";
img6on = new Image(); 
img6on.src = "/core/header/nav_truckload_over.gif";

img1off = new Image();  
img1off.src = "/core/header/nav_vitrancorporation.gif";
img2off = new Image(); 
img2off.src = "/core/header/nav_investorrelations.gif";
img3off = new Image(); 
img3off.src = "/core/header/nav_canadianltl.gif";
img4off = new Image(); 
img4off.src = "/core/header/nav_usltl.gif";
img5off = new Image(); 
img5off.src = "/core/header/nav_logistics.gif";
img6off = new Image(); 
img6off.src = "/core/header/nav_truckload.gif";
}

function imgAct(imgName) {
if (br== "n3") {
	// alert(eval(imgName + "on.src"));
	document[imgName].src = eval(imgName + "on.src");
}
}

function imgInact(imgName) {
if (br== "n3") {
	document[imgName].src = eval(imgName + "off.src");
}
}