JS实现同时存在两个漂浮广告在网页中浮动

<script type="text/javascript">//公共脚本: main.jsfunction addEvent(obj,evtType,func,cap){cap=cap||false;if(obj.addEventListener){obj.addEventListener(evtType,func,cap);return true;}else if(obj.attachEvent){if(cap){obj.setCapture();return true;}else{return obj.attachEvent("on" + evtType,func);}}else{return false;}}function getPageScroll(){var xScroll,yScroll;if (self.pageXOffset) {xScroll = self.pageXOffset;} else if (document.documentElement  &&  document.documentElement.scrollLeft){xScroll = document.documentElement.scrollLeft;} else if (document.body) {xScroll = document.body.scrollLeft;}if (self.pageYOffset) {yScroll = self.pageYOffset;} else if (document.documentElement  &&  document.documentElement.scrollTop){yScroll = document.documentElement.scrollTop;} else if (document.body) {yScroll = document.body.scrollTop;}arrayPageScroll = new Array(xScroll,yScroll);return arrayPageScroll;}function GetPageSize(){var xScroll, yScroll;if (window.innerHeight  &&  window.scrollMaxY) {xScroll = document.body.scrollWidth;yScroll = window.innerHeight + window.scrollMaxY;} else if (document.body.scrollHeight > document.body.offsetHeight){xScroll = document.body.scrollWidth;yScroll = document.body.scrollHeight;} else {xScroll = document.body.offsetWidth;yScroll = document.body.offsetHeight;}var windowWidth, windowHeight;if (self.innerHeight) {windowWidth = self.innerWidth;windowHeight = self.innerHeight;} else if (document.documentElement  &&  document.documentElement.clientHeight) {windowWidth = document.documentElement.clientWidth;windowHeight = document.documentElement.clientHeight;} else if (document.body) {windowWidth = document.body.clientWidth;windowHeight = document.body.clientHeight;}if(yScroll < windowHeight){pageHeight = windowHeight;} else {pageHeight = yScroll;}if(xScroll < windowWidth){pageWidth = windowWidth;} else {pageWidth = xScroll;}arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight)return arrayPageSize;}//脚本: AdMove.jsvar AdMoveConfig=new Object();AdMoveConfig.IsInitialized=false;AdMoveConfig.ScrollX=0;AdMoveConfig.ScrollY=0;AdMoveConfig.MoveWidth=0;AdMoveConfig.MoveHeight=0;AdMoveConfig.Resize=function(){var winsize=GetPageSize();AdMoveConfig.MoveWidth=winsize[2];AdMoveConfig.MoveHeight=winsize[3];AdMoveConfig.Scroll();}AdMoveConfig.Scroll=function(){var winscroll=getPageScroll();AdMoveConfig.ScrollX=winscroll[0];AdMoveConfig.ScrollY=winscroll[1];}addEvent(window,"resize",AdMoveConfig.Resize);addEvent(window,"scroll",AdMoveConfig.Scroll);function AdMove(id){if(!AdMoveConfig.IsInitialized){AdMoveConfig.Resize();AdMoveConfig.IsInitialized=true;}var obj=document.getElementById(id);obj.style.position="absolute";var W=AdMoveConfig.MoveWidth-obj.offsetWidth;var H=AdMoveConfig.MoveHeight-obj.offsetHeight;var x = W*Math.random(),y = H*Math.random();var rad=(Math.random()+1)*Math.PI/6;var kx=Math.sin(rad),ky=Math.cos(rad);var dirx = (Math.random()<0.5?1:-1), diry = (Math.random()<0.5?1:-1);var step = 1;var interval;this.SetLocation=function(vx,vy){x=vx;y=vy;}this.SetDirection=function(vx,vy){dirx=vx;diry=vy;}obj.CustomMethod=function(){obj.style.left = (x + AdMoveConfig.ScrollX) + "px";obj.style.top = (y + AdMoveConfig.ScrollY) + "px";rad=(Math.random()+1)*Math.PI/6;W=AdMoveConfig.MoveWidth-obj.offsetWidth;H=AdMoveConfig.MoveHeight-obj.offsetHeight;x = x + step*kx*dirx;if (x < 0){dirx = 1;x = 0;kx=Math.sin(rad);ky=Math.cos(rad);}if (x > W){dirx = -1;x = W;kx=Math.sin(rad);ky=Math.cos(rad);}y = y + step*ky*diry;if (y < 0){diry = 1;y = 0;kx=Math.sin(rad);ky=Math.cos(rad);}if (y > H){diry = -1;y = H;kx=Math.sin(rad);ky=Math.cos(rad);}}this.Run=function(){var delay = 10;interval=setInterval(obj.CustomMethod,delay);obj.onmouseover=function(){clearInterval(interval);}obj.onmouseout=function(){interval=setInterval(obj.CustomMethod, delay);}}}</script>

 <div id="adxf" style="position:absolute;z-index:1000;">      <a href="OLTRDoor/Front/LookBook.aspx?SetID=a2&CSID=CS13050512" target="_blank" ><img src="g19.jpg" border="0"  alt =""/></a></div><div id="ad" style="position:absolute;z-index:1000;">      <a href="OLTRDoor/Front/LookBook.aspx?SetID=a2&CSID=CS13050512" target="_blank" ><img src="images/xf.jpg" border="0"  alt =""/></a> </div><script type="text/javascript">    var ad1 = new AdMove("ad");    ad1.Run();    var ad1 = new AdMove("adxf");    ad1.Run();</script>