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 = 200;//距离顶部距离
 this.fDiv;
 this.lDiv = "";
 this.rDiv = "";
 this.lDivCssText = "position:absolute;top:0px;left:10px;width:100px;height:200px;border:0px solid #666;overflow:hidden;";
 this.rDivCssText = "position:absolute;top:0px;right:10px;width:100px;height:200px;border:0px solid #666;overflow:hidden;";
 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);

 var strLeftImgFloats = "", strRightImgFloats = "";
 var strLeftImgFloat = new Array();
 var strLeftUrlFloat = new Array();
 strLeftImgFloat = strLeftOddsAdImgFloat.split(",");
 strLeftUrlFloat = strLeftOddsAdUrlFloat.split(",");
 for (i = 0; i < strLeftUrlFloat.length; i++) {
     strLeftImgFloats += "<div  class='adPic3'><a href='" + strLeftUrlFloat[i] + "' target='_blank'><img src='" + strLeftImgFloat[i] + "'  border='0' /></a></div>";
 }
 var strRightImgFloat = new Array();
 var strRightUrlFloat = new Array();
 strRightImgFloat = strRightOddsAdImgFloat.split(",");
 strRightUrlFloat = strRightOddsAdUrlFloat.split(",");
 for (i = 0; i < strRightUrlFloat.length; i++) {
     strRightImgFloats += "<div  class='adPic3'><a href='" + strRightUrlFloat[i] + "' target='_blank'><img src='" + strRightImgFloat[i] + "'  border='0' /></a></div>";
 }
 m2.createInfo("height:300px;width:124px;border:0px solid #fff;", " height:300px;width:124px;border:0px solid #fff;", "<div>" + strLeftImgFloats + "</div>", strRightImgFloats, 200);
 m2.createAdv();
}