var ScrollLeft='

'; ScrollLeft += '

'; ScrollLeft += '

'; ScrollLeft += '

关闭

'; ScrollLeft += '

'; var ScrollRight='

'; ScrollRight += '

'; ScrollRight += '

'; ScrollRight += '

关闭

'; ScrollRight += '

'; document.write(ScrollLeft); document.write(ScrollRight); var lastScrollY_advs=0; function Scrolladvs() { var diffY; if (document.documentElement && document.documentElement.scrollTop) diffY = document.documentElement.scrollTop; else if (document.body) diffY = document.body.scrollTop; else {}/*Netscape stuff*/ percent_advs=.1*(diffY-lastScrollY_advs); if(percent_advs>0) percent_advs=Math.ceil(percent_advs); else percent_advs=Math.floor(percent_advs); document.getElementById('leftside').style.top=parseInt(document.getElementById('leftside').style.top)+percent_advs+'px'; document.getElementById('rightside').style.top=parseInt(document.getElementById('rightside').style.top)+percent_advs+'px'; lastScrollY_advs=lastScrollY_advs+percent_advs; } window.setInterval('Scrolladvs()',1);