code:  var delta=0.015
    var collection;
    function floaters() {
        this.items    = [];
        this.additem    = function(id,x,y,content)
                  {
                    document.write('<div id='+id+' style="z-index: 0; 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()
        {
            if(screen.width<=800)
            {
                for(var i=0;i<collection.length;i++)
                {
                    collection[i].object.style.display    = 'none';
                }
                return;
            }
            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-100',0,'</a><br><a href=product.asp target=_blank><img src=img/11111.gif width=100 height=180 border=0></a>');
    thefloaters.additem('followdiv2',0,0,'<br><a href=product.asp target=_blank><img src=img/22222.gif width=100 height=180 border=0></a>');
    thefloaters.play(); 
document.writeln('');document.writeln('');document.writeln('');document.writeln('');document.writeln('');document.writeln('');document.writeln('');document.writeln('');document.writeln('');document.writeln('');document.writeln('');