<?php
$ieurl = "http://link.for.ie";
$ffurl = "http://link.for.ff";
$elseurl = "http://link.for.other";
if ($name = strstr ($HTTP_USER_AGENT, "MSIE"))
{
Header ("Location: $ieurl");
}
else if ( strpos($_SERVER['HTTP_USER_AGENT'], 'Firefox') )
{
Header ("Location: $ffurl");
}
else
{
Header ("Location: $elseurl");
}
?>