// get page title
        $url = "http://".$PowerBB->_SERVER['HTTP_HOST'].$PowerBB->_SERVER['REQUEST_URI']."";
        if($PowerBB->_GET['page']=='topic'){
        $SubjectArr = array();
        $SubjectArr['where'] = array('id',$PowerBB->_GET['id']);
        $SubjectInfov = $PowerBB->subject->GetSubjectInfo($SubjectArr);
        $subject_title = trim($PowerBB->Powerparse->censor_words($SubjectInfov['title']));
        }
         if (isset($subject_title))
         {
              $alt = $subject_title;
         }
         else
         {
          $alt = $subject_title;
         }

        if(!@strstr($img,$PowerBB->_SERVER['HTTP_HOST'])
        and!@strstr($img,"smiles"))
        {
         $img = str_replace('alt=""', 'alt="'.$alt.'"', $img);
        }