js 左右悬浮对联广告代码示例

一段js 左右悬浮广告代码，只要修改广告图片地址与连接地址，相应参数根据页面调整下就可以使用这段左右悬浮广告代码了
代码：


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-112',230,'<a href=左链接地址 target=_blank><img src=左图片地址 border=0></a>');
theFloaters.addItem('followDiv2',12,230,'<a href=右链接地址 target=_blank><img src=右图片地址 border=0></a>');
theFloaters.play();

另存为*.js文件，在页面中引用：<script src="*.js"></script>调用即可，*代表你另存的文件名！ 注意：修改广告图片地址和连接地址！相应的参数可以根据页面自行调整。


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