[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){}
  }

  function moveDiv()
  {
   try
   {
   if(parseInt(document.getElementById("eMeng").style.top,10) <= (docHeight - divHeight + parseInt(document.body.scrollTop,10)))
   {
   window.clearInterval(objTimer)
   objTimer = window.setInterval("resizeDiv()",1)
   }
   divTop = parseInt(document.getElementById("eMeng").style.top,10)
   document.getElementById("eMeng").style.top = divTop - 1
   }
   catch(e){}
  }
  function closeDiv()
  {
   document.getElementById('eMeng').style.visibility='hidden';
   if(objTimer) window.clearInterval(objTimer)
  }
  window.onload = getMsg;
  window.onresize = resizeDiv;
  window.onerror = function(){}
  </script>

相关连接:

http://www.eeeksoft.net/files/popuptest/Default.aspx