var headline_count;
  var headline_interval;
  var old_headline = 0;
  var current_headline = 0;
   
  $(document).ready(function(){
    headline_count = $("div.headline").size();
    $("div.headline:eq("+current_headline+")").css('top','5px');
   
    headline_interval = setInterval(headline_rotate,5000); //time in milliseconds
    $('#scrollup').hover(function() {
      clearInterval(headline_interval);
    }, function() {
      headline_interval = setInterval(headline_rotate,5000); //time in milliseconds
      headline_rotate();
    });
  });
   
  function headline_rotate() {
    current_headline = (old_headline + 1) % headline_count; 
    $("div.headline:eq(" + old_headline + ")").animate({top: -205},"slow", function() {
      $(this).css('top','210px');
    });
    $("div.headline:eq(" + current_headline + ")").show().animate({top: 5},"slow");  
    old_headline = current_headline;
  }