1、在网页中加入 <script language=javascript src="js/1.js"></script> 表示调用当前目录下的js目录下的t.js 2、用记事本建立1.js 并保存到js目录下 并把后缀名从txt改名为js   w4:C63)  
t.js内容如下    $QZ ZEr  
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var delta=0.15 nvOV-`W2+s  
var collection; XE2,pjZ  
function floaters() { !2:B71@D  
this.items = []; iZ,6ntT  
this.addItem = function(id,x,y,content) V|*DkS $&  
{ " $e,#6i  
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>'); okxi `M $A  
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var newItem = {}; ~Wg>H>/[  
newItem.object = document.getElementById(id); Lg :/9b*  
newItem.x = x; 2%D^>`  
newItem.y = y; O&e}lvJ  
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this.items[this.items.length] = newItem; uAT9go
 
} FQ'Fv/cS/  
this.play = function() A2NgOr_  
{ Q dc:ft?  
collection = this.items Og|&'  
setInterval('play()',10); %Cx
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} t&Xgt8*  
} 6[wbk uc  
function play() +K|dzu(lr  
{ fSP7l6  
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for(var i=0;i<collection.length;i++) <l1 -T-  
{ iY`k,9h5  
var followObj = collection.object; cx VIV_K,  
var followObj_x = (typeof(collection.x)=='string'?eval(collection.x):collection.x); YBKv2s{~&*  
var followObj_y = (typeof(collection.y)=='string'?eval(collection.y):collection.y); h7] {6pc3  
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if(followObj.offsetLeft!=(document.body.scrollLeft+followObj_x)) { } $~mXd)mT  
var dx=(document.body.scrollLeft+followObj_x-followObj.offsetLeft)*delta; x)Q|ye ?@2  
dx=(dx>0?1:-1)*Math.ceil(Math.abs(dx)); Vvz<RPn(R  
followObj.style.left=followObj.offsetLeft+dx; &rS2#dW  
} P#KR:W  
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if(followObj.offsetTop!=(document.body.scrollTop+followObj_y)) { O:`c{M8  
var dy=(document.body.scrollTop+followObj_y-followObj.offsetTop)*delta; U;W( ;( &  
dy=(dy>0?1:-1)*Math.ceil(Math.abs(dy)); =o`n=  
followObj.style.top=followObj.offsetTop+dy; Eu|M95 -  
} L} oP L  
followObj.style.display = ''; H<hVsVF  
} W>/C-
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} FC{OeBr+  
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var theFloaters = new floaters(); 4w:EVCB*5  
theFloaters.addItem('followDiv1','document.body.clientWidth-110',230,'<a href=http://www.cfanclub.net target=_blank><img src=ad/ad001.gif border=0></a><br><br>'); -2^{I>4jH  
theFloaters.addItem('followDiv2',12,230,'<a href=http://bbs.cfanclub.net target=_blank><img src=ad/ad002.gif border=0></a><br><br>'); @yjw[j1  
theFloaters.play(); 8^M
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其中红色用所做广告地址代替 蓝色用所需要的广告图片地址代替
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