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网页左右上下浮动广告代码制作

 (微笑)
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1.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

1.js内容如下 

var delta=0.15
var collection;
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()',10);
}
}
function play()
{

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 = '';
}
} 

var theFloaters = new floaters();
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>');
theFloaters.addItem('followDiv2',12,230,'<a href=http://bbs.cfanclub.net target=_blank><img src=ad/ad002.gif border=0></a><br><br>');
theFloaters.play();