function getPreviewText()
 {
     if (!$this->isCssJsSubpage) {
         wfRunHooks('EditPageBeforePreviewText', array(&$this, $this->previewOnOpen()));
         $result = parent::getPreviewText();
         wfRunHooks('EditPagePreviewTextEnd', array(&$this, $this->previewOnOpen()));
     } else {
         $result = parent::getPreviewText();
     }
     return $result;
 }
 function getPreviewText()
 {
     // enable embed video: (disabled)
     //mvfAddHTMLHeader( 'embed' );
     $html = '';
     $html .= '<span style="float:left;margin:10px;">';
     $html .= $this->mArticle->mvTitle->getEmbedVideoHtml();
     $html .= '</span>';
     return $html . parent::getPreviewText();
 }