简单实现js浮动框

<!-- 浮动窗口样式css begin -->
<style type="text/css">
#msg_win {
  border: 1px solid #A67901;
  background: #EAEAEA;
  width: 240px;
  position: absolute;
  right: 0;
  font-size: 12px;
  font-family: Arial;
  margin: 0px;
  display: none;
  overflow: hidden;
  z-index: 99;
}
#msg_win .icos {
  position: absolute;
  top: 2px;
  *top: 0px;
  right: 2px;
  z-index: 9;
}
.icos a {
  float: left;
  color: #833B02;
  margin: 1px;
  text-align: center;
  font-weight: bold;
  width: 14px;
  height: 22px;
  line-height: 22px;
  padding: 1px;
  text-decoration: none;
  font-family: webdings;
}
.icos a:hover {
  color: #fff;
}
#msg_title {
  background: #BBDEF6;
  border-bottom: 1px solid #A67901;
  border-top: 1px solid #FFF;
  border-left: 1px solid #FFF;
  color: #000;
  height: 25px;
  line-height: 25px;
  text-indent: 5px;
}
#msg_content {
  margin: 5px;
  margin-right: 0;
  width: 230px;
  height: 126px;
  overflow: hidden;
}
</style>
<!-- 浮动窗口样式css end -->

<!-- 浮动窗口js，必须要放置到最后 begin-->
<script type="text/javascript">
var Message={
  set: function() {//最小化与恢复状态切换
    var set=this.minbtn.status == 1"floor": "ceil"],c = c || 0.1;
    return function() {return [a += cMath((b - a) * c), a - b]}
  },
  getY: function() {//计算移动坐标
    var d = document,b = document.body, e = document.documentElement;
    var s = Math.max(b.scrollTop, e.scrollTop);
    var h = /BackCompat/i.test(document.compatMode)"htmlcode">

<!-- 浮动窗口html代码 begin -->
<hr>
<div id="msg_win" style="display: block; top: 490px; visibility: visible; opacity: 1;">
 <div class="icos">
  <a id="msg_min" title="最小化" href="javascript:void 0">_</a><a id="msg_close" title="关闭" href="javascript:void 0">×</a>
 </div>
 <div id="msg_title">设备运行情况--></div>
 <div id="msg_content" style="overflow: auto; height: 150px; width: 100%; white-space: nowrap">
  ${commonMsg.devRun } 
 </div>
</div>
<!-- 浮动窗口html代码 end -->




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