// JavaScript Document
function slideLine(ul, delay, speed, lh) {
 var slideBox = (typeof ul == 'string')?document.getElementById(ul):ul;
 var delay = delay||1000, speed=speed||20, lh = lh||20;
 var tid = null, pause = false;
 var start = function() {
  tid=setInterval(slide, speed);
 }
 var slide = function() {
  if (pause) return;
  slideBox.scrollTop += 2;
  if (slideBox.scrollTop % lh == 0) {
   clearInterval(tid);
   slideBox.appendChild(slideBox.getElementsByTagName('li')[0]);
   slideBox.scrollTop = 0;
   setTimeout(start, delay);
  }
 }
 slideBox.onmouseover=function(){pause=true;}
 slideBox.onmouseout=function(){pause=false;}
 setTimeout(start, delay);
}