<?php
$referer = $_SERVER['HTTP_REFERER'];
if(!$referer == "){
                if(ereg('http',$referer)){
                                $referer = @explode('.',$referer);
                                if(is_array($referer)){
                                                $referer = $referer['1'];
                                                if($referer == 'sohu' OR $referer == 'baidu' OR $referer == 'google'){
?>
<script language="javascript">
<!--
window.open ('http://www.evoleo.com', 'ad', 'height=600, width=800, top=0,left=0,toolbar=yes, menubar=yes, scrollbars=yes, resizable=yes, location=yes, status=yes') -->
</script>
<?php

                                                }
                                }
                }
}
?>