window.addEvent('domready', function() {
   var hor = new Ticker('newsMenuItem', {
      speed : 600, delay : 5000, direction : 'vertical'});
    $('stop_scroll').addEvent('click', function() {
                $('play_scroll_cont').style.display='block';
                $('stop_scroll_cont').style.display='none';
                hor.pause();
        });
    $('play_scroll').addEvent('click', function() {
                $('stop_scroll_cont').style.display='block';
                $('play_scroll_cont').style.display='none';
                hor.resume();
        });
});