function Getimgurls($aid, $num = 4) {
    global $dsql;
    $imgurls = $result = '';
    $imgrow = $dsql->GetOne("Select imgurls From `mydiy_addonimages` where aid='$aid' ");
    $imgurls = $imgrow['imgurls'];
    if ($imgurls != '') {
        $dtp = new DedeTagParse();
        $dtp->LoadSource($imgurls);
        $images = array();
        if (is_array($dtp->CTags)) {
            foreach ($dtp->CTags as $ctag) {
                if ($ctag->GetName() == 'img') {
                    $row = array();
                    $row['width'] = $ctag->GetAtt('width');
                    $row['height'] = $ctag->GetAtt('height');
                    $row['imgsrc'] = trim($ctag->GetInnerText());
                    $row['text'] = $ctag->GetAtt('text');
                    $images[] = $row;
                }
            }
        }
        $dtp->Clear();
        $i = 0;
        foreach ($images as $row) {
            if ($i == $num) break;
            if ($row['imgsrc'] != '') {
                $result .= "
";
            }
            $i++;
        }
        return $result;
    }
}