帮忙改一小段广告代码？

var delta=0.8; 
var collection; 
var closeB=false; 
var closeA=false; 
function floaters() { 
this.items = []; 
this.addItem = function(id,x,y,content) 
  { 
document.write(' <DIV id='+id+' style="Z-INDEX: 10; POSITION: absolute;  width:80px; height:60px;left:'+(typeof(x)=='string'?eval(x):x)+';top:'+(typeof(y)=='string'?eval(y):y)+'">'+content+' </DIV>'); var newItem = {}; 
newItem.object = document.getElementById(id); 
newItem.x = x; 
newItem.y = y; this.items[this.items.length] = newItem; 
  } 
this.play = function() 
  { 
collection= this.items 
setInterval('play()',30); 
setInterval('playA()',30); 
  } 
} 
function play() 
{ 
if(screen.width <=800  ¦ ¦ closeB) 
{ 
for(var i=0;i <collection.length;i++) 
{ 
collection[i].object.style.display= 'none'; 
} 
return; 
} 
for(var i=0;i <collection.length;i++) 
{ 
var followObj = collection[i].object; 
var followObj_x = (typeof(collection[i].x)=='string'?eval(collection[i].x):collection[i].x); 
var followObj_y = (typeof(collection[i].y)=='string'?eval(collection[i].y):collection[i].y); if(followObj.offsetLeft!=(document.body.scrollLeft+followObj_x)) { 
var dx=(document.body.scrollLeft+followObj_x-followObj.offsetLeft)*delta; 
dx=(dx>0?1:-1)*Math.ceil(Math.abs(dx)); 
followObj.style.left=followObj.offsetLeft+dx; 
} if(followObj.offsetTop!=(document.body.scrollTop+followObj_y)) { 
var dy=(document.body.scrollTop+followObj_y-followObj.offsetTop)*delta; 
dy=(dy>0?1:-1)*Math.ceil(Math.abs(dy)); 
followObj.style.top=followObj.offsetTop+dy; 
} 
followObj.style.display = ''; 
} 
} 
function playA() 
{ 
if(screen.width <=800  ¦ ¦ closeB) 
{ 
for(var i=0;i <collection.length;i++) 
{ 
collection[i].object.style.display= 'none'; 
} 
return; 
} 
for(var i=0;i <collection.length;i++) 
{ 
var followObj = collection[i].object; 
var followObj_x = (typeof(collection[i].x)=='string'?eval(collection[i].x):collection[i].x); 
var followObj_y = (typeof(collection[i].y)=='string'?eval(collection[i].y):collection[i].y); if(followObj.offsetLeft!=(document.body.scrollLeft+followObj_x)) { 
var dx=(document.body.scrollLeft+followObj_x-followObj.offsetLeft)*delta; 
dx=(dx>0?1:-1)*Math.ceil(Math.abs(dx)); 
followObj.style.left=followObj.offsetLeft+dx; 
} if(followObj.offsetTop!=(document.body.scrollTop+followObj_y)) { 
var dy=(document.body.scrollTop+followObj_y-followObj.offsetTop)*delta; 
dy=(dy>0?1:-1)*Math.ceil(Math.abs(dy)); 
followObj.style.top=followObj.offsetTop+dy; 
} 
followObj.style.display = ''; 
} 
} 
function closeBanner() 
{ 
closeB=true; 
return; 
} 
function closeBannerA() 
{ 
closeA=true; 
return; 
} 
var theFloaters = new floaters(); 
// 
theFloaters.addItem('followDiv1','document.body.clientWidth-106',80,' <object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0" width="97" height="233"> <param name="movie" value="images/ad-02.swf"> <param name="quality" value="high"> <embed src="images/ad-02.swf" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="97" height="233"> </embed> </object> <br> <br> <img src=images/close.gif onClick="closeBannerA();">'); 
theFloaters.addItem('followDiv2',6,80,' <img src=images/145x75.gif > <br> <img src=images/close.gif onClick="closeBanner();">'); 
theFloaters.play();