js 右下角弹窗 浮动层 广告效果

【实例简介】
【实例截图】

【核心代码】

 window.onload = getMsg;
 window.onresize = resizeDiv;
 window.onerror = function(){}
 var divTop,divLeft,divWidth,divHeight,docHeight,docWidth,objTimer,i = 0;
 function getMsg()
 {//
  try
  {
   divTop = parseInt(document.getElementById("ww_zzjs_net").style.top,10);
   divLeft = parseInt(document.getElementById("ww_zzjs_net").style.left,10);
   divHeight = parseInt(document.getElementById("ww_zzjs_net").offsetHeight,10);
   divWidth = parseInt(document.getElementById("ww_zzjs_net").offsetWidth,10);
   docWidth = document.body.clientWidth;
   docHeight = document.body.clientHeight;
   document.getElementById("ww_zzjs_net").style.top = parseInt(document.body.scrollTop,10)   docHeight   10; //divHeight
   document.getElementById("ww_zzjs_net").style.left = parseInt(document.body.scrollLeft,10)   docWidth - divWidth;
   document.getElementById("ww_zzjs_net").style.visibility="visible";
   objTimer = window.setInterval("moveDiv()",10);
  }
  catch(e){}
 }//
 //初始化位置
 function resizeDiv()
 {
  i =1;
  //if(i>300) closeDiv() //想不用自动消失由用户来自己关闭所以屏蔽这句
  try
  {
   divHeight = parseInt(document.getElementById("ww_zzjs_net").offsetHeight,10);
   divWidth = parseInt(document.getElementById("ww_zzjs_net").offsetWidth,10);
   docWidth = document.body.clientWidth;
   docHeight = document.body.clientHeight;
   document.getElementById("ww_zzjs_net").style.top = docHeight - divHeight   parseInt(document.body.scrollTop,10);
   document.getElementById("ww_zzjs_net").style.left = docWidth - divWidth   parseInt(document.body.scrollLeft,10);
  }
  catch(e){}
 }//
 //最小化
 function minsizeDiv()
 {
  i =1
  //if(i>300) closeDiv() //想不用自动消失由用户来自己关闭所以屏蔽这句
  try
  {
   divHeight = parseInt(document.getElementById("zzjs_net").offsetHeight,10);
   divWidth = parseInt(document.getElementById("zzjs_net").offsetWidth,10);
   docWidth = document.body.clientWidth;
   docHeight = document.body.clientHeight;
   document.getElementById("zzjs_net").style.top = docHeight - divHeight   parseInt(document.body.scrollTop,10);
   document.getElementById("zzjs_net").style.left = docWidth - divWidth   parseInt(document.body.scrollLeft,10);
  }
  catch(e){}
 }//
 //移动
 function moveDiv()
 {
 try
 {
  if(parseInt(document.getElementById("ww_zzjs_net").style.top,10) <= (docHeight - divHeight   parseInt(document.body.scrollTop,10)))
  {
   window.clearInterval(objTimer);
   objTimer = window.setInterval("resizeDiv()",1);
  }
  divTop = parseInt(document.getElementById("ww_zzjs_net").style.top,10);
  document.getElementById("ww_zzjs_net").style.top = divTop -1;
 }
  catch(e){}
 }
 function minDiv()
 {
  closeDiv();
  document.getElementById('zzjs_net').style.visibility='visible';
  objTimer = window.setInterval("minsizeDiv()",1);
 }//
 function maxDiv()
 {
  document.getElementById('zzjs_net').style.visibility='hidden';
  document.getElementById('ww_zzjs_net').style.visibility='visible';
  objTimer = window.setInterval("resizeDiv()",1);
  //resizeDiv()
  getMsg();
 }
 function closeDiv()
 {
  document.getElementById('ww_zzjs_net').style.visibility='hidden';
  document.getElementById('zzjs_net').style.visibility='hidden';
  if(objTimer) window.clearInterval(objTimer);
 }