document.getElementById('downtop').innerHTML= '<li><a href="../soft/166.htm" target="_blank">ET服装CAD超级视频教程124课</a></li><li><a href="../soft/21.htm" target="_blank">布易ET服装CAD打版操作实例教程_女西装</a></li><li><a href="../soft/5.htm" target="_blank">最新ET2011放码视频教程</a></li>'