var delta=0.08     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();     //右面     theFloaters.addItem('followDiv1','document.body.clientWidth-106',80,'<EMBED src=images/duilian.swf quality=high  WIDTH=100 HEIGHT=300 TYPE=application/x-shockwave-flash id=ad wmode=opaque></EMBED>');     //左面     theFloaters.addItem('followDiv2',6,80,'<EMBED src=images/duilian.swf quality=high  WIDTH=100 HEIGHT=300 TYPE=application/x-shockwave-flash id=ad wmode=opaque></EMBED>');     theFloaters.play(); //图片格式调用方法 //<a href=http://www.makewing.com/lanren/ target=_blank><img src=images/ad_100x300.jpg border=0></a>