Get window location on the screen in Javascript
Window location
The following code determines the left and top positions of the window across browsers:
Example
<!DOCTYPE HTML>
<html>
<body>
<script type="text/javascript">
var leftPos = (typeof window.screenLeft == "number") ?
window.screenLeft :
window.screenX; <!--from w w w. ja v a2s . c o m-->
var topPos = (typeof window.screenTop == "number") ?
window.screenTop :
window.screenY;
document.writeln(leftPos);
document.writeln(topPos);
</script>
</body>
</html>