function HandleTags()
{
        $sitename = DoHandleTags($_GET["tag"]);
        Redirect($sitename);
}

function DoHandleTags($tag)
{
        global $tags_prefix;
        $taggedPages;
        // $tag = $_GET["tag"];
        $pagelist = ListPages();
        foreach ($pagelist as $pagename)
        {
                $page=ReadPage($pagename, READPAGE_CURRENT);
                if (preg_match('/\\(:tags\\s.*?'.$tag.'.*?:\\)/i',$page['text']$
                {
                        $name=explode(".",$page['name']);
                        $taggedPages=$taggedPages.'*[['.$name[1].'->'.$pagename$
                        $taggedPages=$taggedPages." \n";
                }
        }
        $text="Sites that are tagged with: @@".$tag."@@ \n\n";
        $page = array("text"=>$text.$taggedPages);
        $sitename=$tags_prefix.".".ucfirst(str_replace(" ","",$tag));
        WritePage($sitename,$page);
//      Redirect($sitename);
        return $sitename;
}