if (document.images)
{
img1on = new Image ;img1off = new Image;
img2on = new Image ;img2off = new Image;
img3on = new Image ;img3off = new Image;

img1on.src = "http://www.autorynok.ru/fast/img/home1.jpg";img1off.src = "http://www.autorynok.ru/fast/img/home0.jpg";
img2on.src = "http://www.autorynok.ru/fast/img/map1.jpg";img2off.src = "http://www.autorynok.ru/fast/img/map0.jpg";
img3on.src = "http://www.autorynok.ru/fast/img/mess1.jpg";img3off.src = "http://www.autorynok.ru/fast/img/mess0.jpg";

}

function img_act(imgName) {
if (document.images)
{ imgOn = eval (imgName + "on.src");
document [imgName].src = imgOn; }
}

function img_inact(imgName) {
if (document.images)
{ imgOff = eval(imgName + "off.src");
document [imgName].src = imgOff; }
}