www.gusucode.com > 凡人网络购物系统 2008源码程序 > Inc/la.js
function hideleft(){ obj=document.getElementById("tleft"); obj.style.display='none'; } lastScrollYleft = 0; function heartBeatleft() { diffYleft = document.body.scrollTop; percentleft =1*(diffYleft-lastScrollYleft); if(percentleft>0) percentleft = Math.ceil(percentleft); else percentleft = Math.floor(percentleft); document.all.tleft.style.pixelTop+= percentleft; lastScrollYleft = lastScrollYleft+percentleft; } window.setInterval("heartBeatleft()",1);