public static function setQueryMode($mode)
 {
     self::$queryMode = $mode;
 }
 public function getDPImages()
 {
     DrPublishDomElement::$queryMode = QUERY_TYPE_XPATH;
     $q = 'div[@class and contains(concat(" ",normalize-space(@class)," ")," dp-article-image ") and descendant::img]';
     // $drPublishDomElementList =  $this->find("div.dp-article-image");
     $drPublishDomElementList = $this->find($q);
     DrPublishDomElement::$queryMode = QUERY_TYPE_JQUERY;
     $imageList = new DrPublishDomElementList();
     foreach ($drPublishDomElementList as $drPublishDomElement) {
         $drPublishApiClientArticleElement = $this->createDrPublishApiClientArticleImageElement($drPublishDomElement);
         $imageList->add($drPublishApiClientArticleElement);
     }
     return $imageList;
 }