Bill Gates Brain In A Jar

I'm trying to incorporate PHP and Javascript so I can log visitors screen width/height and color depth. In order to do this..well just look at the code. It isn't working I have to find some way to get the javascript output into a variable in PHP.

<script language="javascript">

$linea = "document.write(screen.Width)"
document.write("<? $width=" $linea "?>");


</script>

<?

$ip = getenv('REMOTE_ADDR');
$browser = getenv('HTTP_USER_AGENT');
$file = getenv('REQUEST_URI');
mysql_query("INSERT INTO commaflex (visitor_ip, visitor_info, visitor_page, visitor_width, visitor_height, visitor_color) VALUES ('$ip', '$browser', '$file',

?>

..any suggestions?

This will work. It is a little bit more code than I like but it works

<script language="javascript">

linea = screen.Width
if (linea=="480"){
<?php $width="480" ?>
}
if (linea=="600"){
<?php $width="600" ?>
}
// and so on

</script>
<?php echo $width ?>




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2 Samuel 7:10 Moreover I will appoint place for my people Israel, and will plant them, that they may dwell in a place of their own, and move no more; neither shall the children of wickedness afflict them any more, as beforetime,

my code should work. I guess I did something wrong withe the $width="480" or something
I don't know see if you can build off of it.

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2 Samuel 7:10 Moreover I will appoint place for my people Israel, and will plant them, that they may dwell in a place of their own, and move no more; neither shall the children of wickedness afflict them any more, as beforetime,