HOLD YOUR HORSES!
I happen to have an html file that'll do it. I can't attach it, so here is the script...
<script type="text/javascript">
function getMouseCoords(e) {
var e = e || window.event;
document.getElementById('msg').innerHTML = e.clientX + ', ' +
e.clientY + '<br>' + e.screenX + ', ' + e.screenY;
}
var followCursor = (function() {
var s = document.createElement('div');
s.style.position = 'absolute';
s.style.margin = '0';
s.style.padding = '10px';
s.style.border = '1px solid green';
return {
init: function() {
document.body.appendChild(s);
},
run: function(e) {
var e = e || window.event;
s.style.left = (e.clientX - 5) + 'px';
s.style.top = (e.clientY - 5) + 'px';
getMouseCoords(e);
}
};
}());
window.onload = function() {
followCursor.init();
document.body.onmousemove = followCursor.run;
}
</script>
<div id="msg" style="width: 1000px; height: 1000px; border: 1px solid blue;"></div>
Save this as Mover.html
What's going to happen when you open it is that a small green square will follow your cursor around, within the window of course. If you look through here you can safely edit just about anything that's a number, plus the word "green".