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.documentElement.scrollTop+followObj_y)) {
                    var dy=(document.documentElement.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();
    var content_str='<table border="0" width="122px" id="xfk" cellspacing="0" cellpadding="0" height="367px">'
    content_str=content_str+'<tr><td valign="top"><table border="0" width="100%" cellspacing="0" cellpadding="0">'
        content_str=content_str+'<tr><td class="top"><a onclick=xfk.style.display="none";return(false) href=""></a></td></tr><tr><td class="top-te">值班医生在线咨询</td></tr>'
        //content_str=content_str+'<tr><td class="hk"><a title="点击这里和我交流"   href=tencent://message/?uin=48718505&Site=8&Menu=yes>曹大夫:48718505</a></td></tr>'
        //content_str=content_str+'<tr><td class="bk"><a title="点击这里和我交流" target=blank href=tencent://message/?uin=23323&Site=8&Menu=yes>麻大夫:2332</a></td></tr>'
       // content_str=content_str+'<tr><td class="hk"><a title="点击这里和我交流" target=blank href=tencent://message/?uin=222&Site=8&Menu=yes>刘大夫:232</a></td></tr>'
       // content_str=content_str+'<tr><td class="bk"><a title="点击这里和我交流" target=blank href=tencent://message/?uin=333&Site=8&Menu=yes>曹大夫:434</a></td></tr>'
        //content_str=content_str+'<tr><td class="hk"><a title="点击这里和我交流" target=blank href=tencent://message/?uin=2222&Site=8&Menu=yes>李大夫:4332</a></td></tr>'
      //  content_str=content_str+'<tr><td class="bk"><a title="点击这里和我交流"   href=tencent://message/?uin=16183993&Site=8&Menu=yes>李大夫:16183993</a></td></tr>'
            content_str=content_str+'<td class="hk"><a title="点击这里和我交流"   href=tencent://message/?uin=984124955&Site=8&Menu=yes>曹主任:984124955</a></td>'
                content_str=content_str+'<tr><td class="wsyy"><a title="点击进入网上预约服务" ></a></td></tr>'
//content_str=content_str+'<tr><td class="bjr"></td></tr><tr><td class="fdx"></td></tr><tr><td class="wsyy"><a title="点击进入网上预约服务" ></a></td></tr>'

		 content_str=content_str+'</table></td></tr></table>'
    theFloaters.addItem('followDiv2',document.body.clientWidth-130,136,content_str);//document.body.offsetWidth
    theFloaters.play();