Untitled

<?php
$imglist="imglist.txt";
$imgarray=file($imglist, FILE_SKIP_EMPTY_LINES);
$imgnumber=rand(0,count($imgarray)-1);?>
<script type="text/javascript" src="jquery-1.7.2.min.js" />
<script type="text/javascript">
var viewportwidth;
var viewportheight;
// the more standards compliant browsers (mozilla/netscape/opera/IE7) use window.innerWidth and window.innerHeight
if (typeof window.innerWidth != 'undefined')
{
     viewportwidth = window.innerWidth,
     viewportheight = window.innerHeight
}
// IE6 in standards compliant mode (i.e. with a valid doctype as the first line in the document)
else if (typeof document.documentElement != 'undefined' && typeof document.documentElement.clientWidth != 'undefined' && document.documentElement.clientWidth != 0)
{
      viewportwidth = document.documentElement.clientWidth,
      viewportheight = document.documentElement.clientHeight
}
// older versions of IE
else
{
      viewportwidth = document.getElementsByTagName('body')[0].clientWidth,
      viewportheight = document.getElementsByTagName('body')[0].clientHeight
}
</script>

<body style="margin:0px">

<a target= _blank href="<? echo($imgarray[$imgnumber])?>"><img id ="random" src="<? echo($imgarray[$imgnumber])? max-width=<? echo($viewportwidth)?> max-height=<? echo($viewportheight)?>>" /></a>

<script type="text/javascript">
$('#random').attr('height', viewportheight);
</script>
</body>