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if(navigator.appName=="Netscape" || navigator.appName=="Opera"

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<?php
$filename="redir.php"; 
require("./global.php"); 
$lang->load('GLOBAL'); 
 
function is_url($url) { 
    if (!preg_match('#^http\\:\\/\\/[a-z0-9\-]+\.([a-z0-9\-]+\.)?[a-z]+#i', $url)) { 
        return false;
    } else {
        return true;
    }
}  
 
if(isset($_REQUEST['url']) && is_url($_REQUEST['url'])) { 
redirect($lang->get("LANG_GLOBAL_REDIR_URL"), urldecode($_REQUEST['url']), 1); 
exit; 
} else { 
     die("syntax beachten"); 
} 
?>