对联广告js代码

对联广告js代码

=================js 文件:duilian.js==================================================

var left_img='&<a target=_blank href="http://hi.baidu.com/netidea/"&>&<img src=/qq/UploadFiles_6087/200912/20091224174520225.jpg border=0&>&</a&>';
var right_img='&<a target=_blank href="http://hi.baidu.com/netidea"&>&<img src=/qq/UploadFiles_6087/200912/20091224174520225.jpg border=0&>&</a&>';

var delta=0.05
var collection;
function floaters() {
this.items= [];
this.addItem= function(id,x,y,content)
{
document.write('&<p id='+id+'&>'+content+'&</p&>');

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('followp1','document.body.clientWidth-110',50,''+right_img+'');
theFloaters.addItem('followp2',6,50,''+left_img+'');
theFloaters.play();