lastScrollY = 0; function heartBeat() { 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); 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"; document.getElementById("lovexin14").style.top = parseInt(document.getElementById("lovexin12").style.top) + percent + "px"; lastScrollY = lastScrollY + percent; } suspendcode12 = "
"; suspendcode14 = ""; document.write(suspendcode12); document.write(suspendcode14); window.setInterval("heartBeat()", 1);