Mudando automaticamente a resolução de suas páginas HTML

 <script language="JavaScript" type="text/javascript">
if(screen.width>="1024")
{
window.location.href="1024/index1.asp";
window.resizeTo(1024,768)
}
else if(screen.width=="800")
{
window.location.href="800/index1.asp";
window.resizeTo(800,600)
} 
else if(screen.width<="800")
{
window.location.href="800/nopage.asp";
window.resizeTo(800,600)
} 
</script>