var speed = 1;

function init(){
  var el = document.getElementById("NewsVertical");
  el.style.overflow = 'hidden';
  startit();
}
 
var sc_int;
function scrollFromBottom(){
  var el = document.getElementById("NewsVertical");
  if(el.scrollTop >= el.scrollHeight-200){
    el.scrollTop = 0;
  };
  el.scrollTop = el.scrollTop + speed;
}
 
function stop(){
  clearInterval(sc_int);
}
 
function startit(){
  stop();
  sc_int = setInterval(scrollFromBottom,50);
}