<!DOCTYPE HTML>
<html>
<head>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.js"></script>
</head>
<body>
<div style="height: 100px; width: 100px; background-color: blue; position: absolute;"></div>
<script>
var animate_div = true;
$(window).scroll(function() {
if (window.animate_div && $(window).scrollTop() >= 10)
{
$("div").animate({'left':'100px'},400).animate({'top':'50px'},400);
window.animate_div = false;
}
});
</script>
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</body>
</html>