var headline_count;
var headline_interval;
var old_headline = 0;
var current_headline = 0;

$(document).ready(function()
{
    $("#sortable").tablesorter({sortList: [[1,1]]});

    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: -145},"slow", function() {
     $(this).css('top','205px');
   });
   $("div.headline:eq(" + current_headline + ")").show().animate({top: 5},"slow");
   old_headline = current_headline;
 }