// scroll
// version: 1.0.0
// Copyright 2007 adamantean ltd.

var speed_multiplier = 1;

function scrollStop() {
  speed_multiplier = 0;
}

function scrollStart() {
  speed_multiplier = 1;
}

function scrollBox() {

  var speed = 1;
  var stop = 0;
  var objDiv = document.getElementById('newsbox');
  var maxHeight = objDiv.scrollHeight;

  objDiv.scrollTop += speed * speed_multiplier;

  if (objDiv.scrollTop > (objDiv.scrollHeight - 110)) {
    objDiv.scrollTop = 0;
  }

}

function doScroll(interval) {
  setInterval(scrollBox,interval);
}