//×ó±ß
var left_img='<a href=http://www.cnan.gov.cn/><img src=/cnan/images/piao_916.jpg border=0></a><img src=/cnan/images/close.gif style="position:absolute;top:200px;right:81px;CURSOR: hand;FILTER: glow(color=ffffff,strength=1);" onclick="this.style.display=\'none\';followDiv1.style.visibility=\'hidden\';followDiv2.style.visibility=\'hidden\';">';
//ÓÒ±ß
var right_img='<a href=/cnan/news/focus/nyfxjz/index.phtml target=_blank><img src=/cnan/images/manyidu-duilian.jpg border=0></a><img src=/cnan/images/close.gif style="position:absolute;top:225px;right:3px;CURSOR: hand;FILTER: glow(color=ffffff,strength=1);" onclick="this.style.display=\'none\';followDiv1.style.visibility=\'hidden\';followDiv2.style.visibility=\'hidden\';">';

          var delta=0.05
        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();
        theFloaters.addItem('followDiv1','document.body.clientWidth-109',8,''+right_img+'');
        theFloaters.addItem('followDiv2',08,8,''+left_img+'');
        theFloaters.play();