//平滑滚动到顶部 toTop = { init:function(){ document.getElementById("toTop").onclick=function(e){ toTop.set(); return false; } }, waitTimer:null, set:function(){ var d_st=document.documentElement.scrollTop; if(window.navigator.userAgent.indexOf("MSIE")>=1){ for (var i=d_st; i>10; i-=Math.floor(i/6)){ window.scrollTo(0,i); } window.scrollTo(0,10); } else{ window.scrollTo(0,Math.floor(d_st / 2)); if(d_st>10){ waitTimer=setTimeout("toTop.set()",40); } else{ clearTimeout(waitTimer); } } } } window.onload = function(){toTop.init();} 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*/} percent=.1*(diffY-lastScrollY); if(percent>0)percent=Math.ceil(percent); else percent=Math.floor(percent); document.getElementById("full").style.top=parseInt(document.getElementById("full").style.top)+percent+"px"; lastScrollY=lastScrollY+percent; } document.write(""); document.write("
"); window.setInterval("heartBeat()",1); /*如果QQ在线的话,它会自动的变换成亮颜色。如果不在线它会自动变成灰色。这个可以不用控制它*/