window.onload = window.onresize = window.onscroll = function ()
{
 var obox = document.getelementbyid("divqqbox"); 
 var oline = document.getelementbyid("divonline");
 var omenu = document.getelementbyid("divmenu");
 var iscrolltop = document.documentelement.scrolltop || document.body.scrolltop;
 settimeout(function ()
 {
  clearinterval(obox.timer);
  var itop = parseint((document.documentelement.clientheight - obox.offsetheight)/2) + iscrolltop - 150;
  obox.timer = setinterval(function ()
  {
   var ispeed = (itop - obox.offsettop) / 8;
   ispeed = ispeed > 0 ? math.ceil(ispeed) : math.floor(ispeed);
   obox.offsettop == itop ? clearinterval(obox.timer) : (obox.style.top = obox.offsettop + ispeed + "px");
  }, 30)
 }, 100)
 
 obox.onmouseover = function ()
 {
  this.style.width = 131 + "px";
  oline.style.display = "block";
  omenu.style.display = "none";
 };
 obox.onmouseout = function ()
 {
  this.style.width = '';
  oline.style.display = "none";
  omenu.style.display = "block";
 };
};