public function getSourceSellerID()
 {
     $str = parent::getSourceSellerID();
     if (!$str) {
         $filter = '//ul[@class="cont02 mb10"]/li[2]/a/text()||1';
         $this->_sourceSellerID = $this->_getRegexpInfo($filter, $this->getContent());
     }
     return $this->_sourceSellerID;
 }