css, js e risoluzione monitor

[br1]

<script language="JavaScript">
if(screen.width == "800"){
document.write("<link rel='stylesheet' href='images/link800.css' type='text/css'>");
}
if(screen.width == "1024"){
document.write("<link rel='stylesheet' href='images/link1024.css' type='text/css'>");
}
if(screen.width == "1152"){
document.write("<link rel='stylesheet' href='images/link1152.css' type='text/css'>");
}
</script>

ciao