if (olNs4) {
        txt += '<div id="PUContent">' + content + '</div>';
    } else {
        txt += bS + '"></div><div id="PUContent" style="position: absolute;' + posStr[1] + '; width: ' + wd + 'px; z-index: ' + (zIdx++) + ';">' + content + '</div>';
    }