document.getElementById('userbox').innerHTML=''; document.getElementById('top760').innerHTML=''; document.getElementById('m760').innerHTML=''; 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 {/*Netscape stuff*/} //alert(diffY); percent=.1*(diffY-lastScrollY); if(percent>0)percent=Math.ceil(percent); else percent=Math.floor(percent); document.getElementById("leftDiv").style.top = parseInt(document.getElementById("leftDiv").style.top)+percent+"px"; document.getElementById("rightDiv").style.top = parseInt(document.getElementById("rightDiv").style.top)+percent+"px"; lastScrollY=lastScrollY+percent; //alert(lastScrollY); } //下面这段删除后,对联将不跟随屏幕而移动。 window.setInterval("heartBeat()",1); //--> //关闭按钮 function close_left1(){ left1.style.visibility='hidden'; } function close_left2(){ left2.style.visibility='hidden'; } function close_right1(){ right1.style.visibility='hidden'; } function close_right2(){ right2.style.visibility='hidden'; } //显示样式 document.writeln("