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=img_swf/aaa.gif target=_blank><img src=img_swf/aaa.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();