// JavaScript Document  

    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()
        {
            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();
//20090921È¥³ýÓÒ±ßÀ¸¹ã¸æ
//    theFloaters.addItem('followDiv1',900,100,'<a href="/gsjj/gsjj_lx.asp"  target=_blank><img src=/images/right.gif border=0></a>'); //the right picture
theFloaters.addItem('followDiv2',5,200,'<a href="http://www.hfmetal.com"  target=_blank><img src=/images/index_r3_c1.jpg border=0 ></a>'); //the left picture
    theFloaters.play();
	if (document.body.clientWidth < 900){		
        followDiv1.style.visibility = "hidden";
        followDiv2.style.visibility = "hidden";
		}
	
	function closediv()  
   {
        if (document.body.clientWidth < 900){		
        followDiv1.style.visibility = "hidden";
        followDiv2.style.visibility = "hidden";
		}
		else{		
		followDiv1.style.visibility = "visible";
        followDiv2.style.visibility = "visible";
		}			
   }