//--Á½±ßÐü¸¡¹ã¸æ
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:110px; height:110px;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();

