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=../ad/cleancool-web02.swf quality=high  WIDTH=70 HEIGHT=469 TYPE=application/x-shockwave-flash id=ad wmode=opaque></EMBED>'); 
    //左面 
    theFloaters.addItem('followDiv2',6,80,'<EMBED src=../ad/cleancool-web02.swf quality=high  WIDTH=70 HEIGHT=469 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>