lastScrollY_left = 0;
        function heartBeatleft() {
            var diffY;
            if (document.documentElement && document.documentElement.scrollTop)
                diffY = document.documentElement.scrollTop;
            else if (document.body)
                diffY = document.body.scrollTop;
            else
            {
            }

            percent = .1 * (diffY - lastScrollY_left);
            if (percent > 0)percent = Math.ceil(percent);
            else percent = Math.floor(percent);
            document.getElementById("lovexin12").style.top = parseInt(document.getElementById
                    ("lovexin12").style.top) + percent + "px";
            lastScrollY_left = lastScrollY_left + percent;
        }
        function hideleft()
        {
            lovexin12.style.visibility = "hidden";
        }
lastScrollY_right = 0;
         function heartBeatRight() {
            var diffY;
            if (document.documentElement && document.documentElement.scrollTop)
                diffY = document.documentElement.scrollTop;
            else if (document.body)
                diffY = document.body.scrollTop;
            else
            {
            }

            percent = .1 * (diffY - lastScrollY_right);
            if (percent > 0)percent = Math.ceil(percent);
            else percent = Math.floor(percent);
            document.getElementById("lovexin14").style.top = parseInt(document.getElementById
                    ("lovexin14").style.top) + percent + "px";
            lastScrollY_right = lastScrollY_right + percent;
        }
        function hideright()
        {
            lovexin14.style.visibility = "hidden";
        }
  function leftbigianflow(){
       window.setInterval("heartBeatleft()", 2);
  }
 function rightbigianflow(){
       window.setInterval("heartBeatRight()", 2);
  }