window.onerror=null;
browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);

if(browserVer >= 3) ver = "yes";
else ver = "no";
if(ver == "yes")

{

boxa1 = new Image(); boxa1.src = "img/boxa1.jpg";
boxa2 = new Image(); boxa2.src = "img/boxa2.jpg";

boxb1 = new Image(); boxb1.src = "img/boxb1.jpg";
boxb2 = new Image(); boxb2.src = "img/boxb2.jpg";

}

function active(imgName)
{
if (ver == "yes")
{
img1 = eval(imgName + "2.src");
document [imgName].src = img1;
}
}

function inactive(imgName)
{
if (ver == "yes")
{
img2 = eval(imgName + "1.src");
document [imgName].src = img2;
}
}

function showStatus(msg) {

window.status = msg;

return true;

}