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img1on = new Image();   
img1on.src ="http://fantasyflash.ru/avatar/ava_cat/image/cat15.jpg";  
img1off = new Image();      
img1off.src = "http://fantasyflash.ru/avatar/ava_cat/image/cat14.jpg";  
}
function imgOn(imgName) {
if (document.images) {
document[imgName].src = eval(imgName + "on.src"); }}//osw
function imgOff(imgName) {
if (document.images) {
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<a href="http://fantasyflash.ru" onmouseover="imgOn('img1')"; onmouseout="imgOff('img1')" >
<img src="http://fantasyflash.ru/avatar/ava_cat/image/cat15.jpg" border="0" name=img1></a>
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