[Lesane]

On my old site i made 2 pages, one for 800x600 and one for 1024x768 and then i used this for index.html(in the head):

PHP Code:

<SCRIPT LANGUAGE="JavaScript">

<!-- Begin
function redirectPage() {
var url640x480 = "herewebsite800.html";
var url800x600 = "herewebsite800.html";
var url1024x768 = "herewebsite1024768.html";
var url1280x1024 = "herewebsite1024768.html";
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 if ((screen.width == 1280) && (screen.height == 1024))
window.location.href= url1280x1024;
else window.location.href= url640x480;
}
// End -->
</script> 


Hope this helps