bv = parseInt(navigator.appVersion);
if (bv >= 3) ver = "n3"
else ver = "n2"
if (ver == "n3")
{
i0a = new Image();
i0b = new Image();
i0a.src = "images/demo.jpg";
i0b.src = "images/demo_a.jpg";

}

function hl(vobr1,vobr2)
{
if (ver == "n3") {
imgOn = eval(vobr2 + ".src");
document.images[vobr1].src = imgOn;
}
}