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(){ document.getelementbyid("rightdiv").style.visibility='hidden'; document.getelementbyid("rightdiv").style.display='none'; } //显示样式 document.writeln("