function floatAdver(){
 this.fDivs = new Array();//浮动广告对象数组
 this.divCount = 0 ; //浮动广告对象数量
 this.h = 0;//距离顶部距离
 this.fDiv;
 this.lDiv = "";
 this.rDiv = "";
 this.lDivCssText = "position:absolute;top:0px;left:10px;width:100px;height:10px; solid red;";
 this.rDivCssText = "position:absolute;top:0px;right:10px;width:100px;height:10px; solid red;";
 this.lDivInner = "";
 this.rDivInner = "";
}
floatAdver.prototype = {
 createInfo:function(lcss,rcss,linfo,rinfo,h){ //设置两边浮动层信息
  this.lDivCssText += lcss;
  this.rDivCssText += rcss;
  this.lDivInner = linfo;
  this.rDivInner = rinfo;
  this.h = h;
 },
 createFloatDiv:function(){ // 创建２个浮动层
  this.lDiv = document.createElement("div"); 
  this.rDiv = document.createElement("div");
  this.lDiv.style.cssText = this.lDivCssText; 
  this.rDiv.style.cssText = this.rDivCssText;
  this.lDiv.innerHTML = this.lDivInner;
  this.rDiv.innerHTML = this.rDivInner;
  document.body.appendChild(this.rDiv);
  document.body.appendChild(this.lDiv);
  //this.rDiv.id="r";
  //this.lDiv.id="l";
  this.divCount++;
 },
 createAdvPro:function(){ //类内部创建层的浮动过程
  var bodyScrollTop = document.documentElement.scrollTop;  
  if(this.rDiv != bodyScrollTop + this.h)
  {
   this.$(this.rDiv).style.top = parseInt(this.$(this.rDiv).style.top) + Math.ceil((bodyScrollTop + this.h - parseInt(this.$(this.rDiv).style.top))/20) + "px"; 
   this.$(this.lDiv).style.top = this.$(this.rDiv).style.top;
  }  
 },
 
 createAdv:function(){ //调用内部浮动 入口!!
  var _this = this;
  _this.createFloatDiv();
  setInterval(function(){_this.createAdvPro();},10);
  
 },
 floatPro:function(){//非类内部创建层的 浮动效果
  var bodyScrollTop = document.documentElement.scrollTop;  
  if(this.fDiv.style.top != bodyScrollTop + this.h)
  {
   this.$(this.fDiv).style.top = parseInt(this.$(this.fDiv).style.top) + Math.ceil((bodyScrollTop + this.h - parseInt(this.$(this.fDiv).style.top))/20) + "px";
   
  }
 },
 $:function(o){ //获取对象
  if(typeof(o) == "string")
  return document.getElementById(o);
  return o;
 },
 begins:function(o,h){//调用浮动 入口!!
  var _this = this;
  _this.fDiv = _this.$(o);
  _this.h = h;
  //alert(this.fDiv.id);
  setInterval(function(){_this.floatPro();},10);
 }
}
window.onload = function(){
	 var m = new floatAdver();
	 //m.begins("b",200);
	 var m2 = new floatAdver();
	 //m2.begins("a",200);
	 m2.createInfo("","","<div id=lovexin1 style='color:red;background:#CCC;'><img src='images/close.gif' onClick='javascript:window.hide()' width='100' height='14' border='0' vspace='3' alt='关闭对联广告1'><a href='http://www.gztcw.com.cn/news_3_6530.html' target='_blank'><img src='images/duilian.png' width='100' height='300' border='0'></a></div>","<div id=lovexin3 style='color:red;background:#CCC;'><img src='images/close.gif' onClick='javascript:window.hide()' width='100' height='14' border='0' vspace='3' alt='关闭对联广告1'><a href='http://www.gztcw.com.cn/news_3_6530.html' target='_blank'><img src='images/duilian.png' width='100' height='300' border='0'></a></div>",1);
	 m2.createAdv(); 
	}
function hide()  
{   
lovexin1.style.visibility="hidden"; 
lovexin3.style.visibility="hidden"; 
}