arama motorunu kullansaydın forumda bulabilirdin ama her neyse;
Aşağıdaki kodları <head> takıları arasına koyacaksın.
<script LANGUAGE="JavaScript"> <!-- Begin
function redirectPage() {
var url640x480 = "http://www.isim.com/640x480";
var url800x600 = "http://www.isim.com/800x600";
var url1024x768 ="http://www.isim.com/1024x768";
if ((screen.width == 640) && (screen.height == 480))
window.location.href= url640x480;
else if ((screen.width == 800) && (screen.height == 600))
window.location.href= url800x600;
else if ((screen.width == 1024) && (screen.height == 768))
window.location.href= url1024x768;
else window.location.href= url640x480;
} // End --></script>