Zemsky,
вариант управления стрелками ... кликнуть по квадрату вначале
<!DOCTYPE HTML>
<html>
<head>
<title>Untitled</title>
<meta charset="utf-8">
<style type="text/css">
div{height:100px;width:100px;background:#006400;position:relative}
</style>
<script>
window.onload = function () {
var b = {
39: ["left", 5],
37: ["left", -5],
40: ["top", 5],
38: ["top", -5],
left: 0,
top: 0
};
document.body.onkeydown = function (a) {
a = a || window.event;
a = a.keyCode;
var d = document.getElementById("show");
if (a in b) {
var c = b[a][0];
b[c] += b[a][1];
d.style[c] = b[c] + "px"
}
return false
}
};
</script>
</head>
<body>
<div id="show" ></div>
</body>
</html>