[转贴]现在在做一个WEB的站内消息系统，从工具栏位置弹出一徐徐上升的窗口

现在在做一个WEB的站内消息系统，
想在用户登陆时，
如果有未读短消息
则从工具栏位置弹出一徐徐上升的窗口
显示提醒信息！

<script language="JavaScript" type="text/javascript">
  var divTop,divLeft,divWidth,divHeight,docHeight,docWidth,objTimer,i = 0;
  function getMsg()
  {
   try{
   window.open("Top.aspx","TopMusic");
   divTop = parseInt(document.getElementById("eMeng").style.top,10)
   divLeft = parseInt(document.getElementById("eMeng").style.left,10)
   divHeight = parseInt(document.getElementById("eMeng").offsetHeight,10)
   divWidth = parseInt(document.getElementById("eMeng").offsetWidth,10)
   docWidth = document.body.clientWidth;
   docHeight = document.body.clientHeight;
   document.getElementById("eMeng").style.top = parseInt(document.body.scrollTop,10) + docHeight + 10;// divHeight
   document.getElementById("eMeng").style.left = parseInt(document.body.scrollLeft,10) + docWidth - divWidth
   document.getElementById("eMeng").style.visibility="visible"
   objTimer = window.setInterval("moveDiv()",10)
   }
   catch(e){}
  }

  function resizeDiv()
  {
   i+=1
   if(i>1288) closeDiv()
   try{
   divHeight = parseInt(document.getElementById("eMeng").offsetHeight,10)
   divWidth = parseInt(document.getElementById("eMeng").offsetWidth,10)
   docWidth = document.body.clientWidth;
   docHeight = document.body.clientHeight;
   document.getElementById("eMeng").style.top = docHeight - divHeight + parseInt(document.body.scrollTop,10)
   document.getElementById("eMeng").style.left = docWidth - divWidth + parseInt(document.body.scrollLeft,10)
   }
   catch(e){}
  }