类似阿里妈妈右下角弹出广告代码可关闭可最小

这是一个类似阿里妈妈的右下角弹出浮动窗口广告代码，可关闭可最小化。

HTML+CSS+JS结构修改方便。

HTML结构如下：

<DIV id="downmsg_emessage" style="DISPLAY: block">
  <DIV id="downmsgBar">
    <DIV id="donwmsg_head">懒人建站</DIV><A class="close" href="javascript:closeDiv()"></A><A class="msg-hidden-btn-1" id="msg_hidden_btn" href="javascript:showHideDiv()">&nbsp;</A></DIV>
  <DIV id="donwmsg_content" style="DISPLAY: block; HEIGHT: 162px">
    <UL>
      <LI class="ll"><A href="http://51xuediannao.com/JS/" target="_blank">JS代码</A></LI>
      <LI><A href="http://51xuediannao.com/jiqiao/css/" target="_blank">CSS技巧</A></LI>
      <LI><A href="http://51xuediannao.com/jiqiao/cms/" target="_blank">CMS建站技巧</A></LI>
      <LI><A href="http://51xuediannao.com/HTML+CSS/" target="_blank">HTML+CSS网站模板</A></LI>
      <LI><A href="http://51xuediannao.com/show/blog/" target="_blank">博客类网站设计欣赏</A></LI>
    </UL>
    <DIV class="lb"><A href="http://51xuediannao.com/JS/Slide/" target="_blank">焦点幻灯</A> 　 <A href="http://www.51xuediannao.com/js/nav/" target="_blank">导航菜单</A> 　 <A href="http://51xuediannao.com/JS/AD/" target="_blank">广告代码</A> </DIV>
  </DIV>
</DIV>
</div>