Among the couplet advertisements collected online, this one is the best. There are many things online but there are also many mistakes
]<script>
//固漂广告
var delta=0.15;
var collection;
var closeB=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+'');
var newItem = {};
newItem.object = document.getElementById(id);
newItem.x = x;
newItem.y = y;
<P> this.items[this.items.length] = newItem;
}
this.play = function()
{
collection = this.items
setInterval('play()',10);
}
}
function play()
{
if(screen.width<=800 || closeB)
{
for(var i=0;i<collection.length;i++)
{
collection[i].object.style.display = 'none';
}
return;
}
<P> 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);
<P> 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;
}
<P> 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;
}
<P>var theFloaters = new floaters();
<P>
theFloaters.addItem('followDiv1','document.body.clientWidth-110',50,'<a href=http://www.now.cn target=_blank><img src=http://www.iTbulo.com/ad/now.gif style="max-width:90%"Couplet ads can be turned off_advertising code" ><a onClick="closeBanner();">关闭');
theFloaters.addItem('followDiv2',10,50,'<a href=http://www.d163.com.cn><img src=http://www.iTbulo.com/ad/d163.gif height=300 style="max-width:90%"Couplet ads can be turned off_advertising code" ><a onClick="closeBanner();">关闭');
theFloaters.play();
</script>