<!DOCTYPE html>
<html>
<head>
<script src="http://code.jquery.com/jquery.min.js" type="text/javascript"></script>
<style type="text/css">
div {
background-image: url('http://javascript.ru/forum/image.php?u=12584&dateline=1310044212');
width: 80px;
height: 80px;
}
</style>
</head>
<body>
<div></div>
<script type="text/javascript">
$(function(){
$("div").animate({backgroundPositionX:"150px", backgroundPositionY:"150px"},{duration:3000});
});
</script>
</body>
</html>