freihat disable for mobile users

<?php

$user_agent = strtolower ( $_SERVER['HTTP_USER_AGENT'] );
if ( !preg_match ( "/phone|iphone|itouch|ipod|symbian|android|htc_|htc-|palmos|blackberry|opera mini|iemobile|windows ce|nokia|fennec|hiptop|kindle|mot |mot-|webos\/|samsung|sonyericsson|^sie-|nintendo/", $user_agent ) )
{

?>

<!--===========================FreiChatX=======START=========================-->
<!--    For uninstalling ME , first remove/comment all FreiChatX related code i.e below code
     Then remove FreiChatX tables frei_session & frei_chat if necessary
         The best/recommended way is using the module for installation                         -->

<?php

if(isset($_SESSION["guid"])==true) {$ses=$_SESSION["guid"]; } else {$ses=0;}
if(!function_exists("freichatx_get_hash")){
function freichatx_get_hash($ses){

       if(is_file("/home/demyx.com/public_html/freichat/hardcode.php")){

               require "/home/demyx.com/public_html/freichat/hardcode.php";

               $temp_id =  $ses . $uid;

               return md5($temp_id);

       }
       else
       {
               echo "<script>alert('module freichatx says: hardcode.php file not
found!');</script>";
       }

       return 0;
}
}
?><script type="text/javascript" language="javascipt"src="http://demyx.com/freichat/client/main.php?id=<?php echo $ses;?>&xhash=<?php echo freichatx_get_hash($ses); ?>"></script>
    <link rel="stylesheet" href="http://demyx.com/freichat/client/jquery/freichat_themes/freichatcss.php" type="text/css">
<!--===========================FreiChatX=======END=========================-->

<?php } ?>