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, 4000);
    $('#scrollup').hover(function() {
        clearInterval(headline_interval);
    }, function() {
        headline_interval = setInterval(headline_rotate, 4000);
        //headline_rotate();
    });
});
function headline_rotate() {
    current_headline = (old_headline + 1) % headline_count;
    $("div.headline:eq(" + old_headline + ")")
    .animate({ top: -205 }, 1000, function() {
        $(this).css('top', '210px');
    });
    $("div.headline:eq(" + current_headline + ")")
    .animate({ top: 5 }, 1000);
    old_headline = current_headline;
}