ventana efecto javascript expandir

este codigo javascript abre una nueva ventana, incrementando su tamaño poco a poco.

Código Javascript


<html>
<!-- TWO STEPS TO INSTALL CENTER EXPAND:
  1.  Copy the coding into the HEAD of your HTML document
  2.  Add the last code into the BODY of your HTML document  -->
<!-- STEP ONE: Paste this code into the HEAD of your HTML document  -->
<HEAD>
<title>Expapanding Center</title>
<script type="text/javascript">
<!-- Original:  Sean Decker -->
<!-- This script and many more are available free online at -->
<!-- The JavaScript Source!! http://javascript.internet.com -->
<!-- Begin
function expand() {
for(x = 0; x < 50; x++) {
window.moveTo(screen.availWidth * -(x - 50) / 100, screen.availHeight * -(x - 50) / 100);
window.resizeTo(screen.availWidth * x / 50, screen.availHeight * x / 50);
}
window.moveTo(0,0);
window.resizeTo(screen.availWidth, screen.availHeight);
}
//  End -->
</script>

</HEAD>
<!-- STEP TWO: Copy this code into the BODY of your HTML document  -->
<BODY>
<a onClick="expand();" href="inde2.htm"> Ver el ejemplo</a><p>
<!-- Script Size:  1.06 KB -->
</body>
</html>

Ver ejemplo Javascript en funcionamiento