Couplet ads can be turned off_advertising code

Among the couplet advertisements collected online, this one is the best. There are many things online but there are also many mistakes

<p></p>Hello everyone
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]<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>