if($ctag->GetName()=="img")
            {
                $row = array();
                $row['imgsrc'] = trim($ctag->GetInnerText());
                $row['text'] = $ctag->GetAtt('text');
                $images[] = $row;
            }

 if($ctag->GetName()=="img")
            {
                $row = array();
                $row['imgsrc'] = trim($ctag->GetInnerText());
                $row['text'] = $ctag->GetAtt('text');              
                $row['litpic'] =$ctag->GetAtt('ddimg'); //得到縮略圖
                $images[] = $row;
            }