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; 
}
suspendcode="<div id='full' style='left:20px; top:168px; position:absolute;'><table width='30' border='0' cellpadding='0' cellspacing='0'><tr><td align='center'><a href='javascript:window.scroll(0,0)' title='Top'><img border='0' src='http://bitnu.com/images/top.png' alt='Top' /></a></td></tr><tr><td align='center'><a href='http://bitnu.com/blog/index.php?lang=en' target='_parent' title='English'><img src='http://bitnu.com/images/us.jpg' height='30' width='30' border='0' alt='English' /></a></td></tr><tr><td align='center'><a href='http://bitnu.com/blog/index.php?lang=zh-tw' target='_parent' title='繁體中文'><img border='0' src='http://bitnu.com/images/hk.jpg' height='30' width='30' alt='繁體中文' /></a></td></tr><tr><td align='center'><a href='ttp://bitnu.com/blog/index.php?lang=zh-cn' target='_parent' title='简体中文'><img border='0' src='http://bitnu.com/images/cn.jpg' height='30' width='30' alt='简体中文' /></a></td></tr><tr><td align='center'><a href='http://bitnu.com/blog/index.php?lang=jp' target='_parent' title='日本語'><img border='0' src='http://bitnu.com/images/jp.jpg' height='30' width='30' alt='日本語' /></a></tr><tr><td align='center'><a href='javascript:window.scroll(0,99999)' title='Buttom'><img border='0' src='http://bitnu.com/images/buttom.png' alt='Buttom' /></a></td></tr></table></div>"

document.write(suspendcode);
window.setInterval("heartBeat()",1);