// JavaScript Document
var headline_count;
var headline_interval;
var old_headline = 0;
var current_headline = 0;

$(document).ready(function(){
  headline_count = $("div.headline").size();
  //alert(headline_count);
  if(headline_count>1) {
	  //current_headline=Math.floor(Math.random()*headline_count);
	  //old_headline=(current_headline -1) % headline_count; 
	  $("div.headline:eq("+current_headline+")").css('top','0px');
	  
	  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();
	  });
  } else {
	  $("div.headline:eq(0)").css('top','5px');
  }
});

function headline_rotate() {
  current_headline = (old_headline + 1) % headline_count; 
  $("div.headline:eq(" + old_headline + ")").animate({top: -188},"slow", function() {
    $(this).css('top','188px');
    });
  $("div.headline:eq(" + current_headline + ")").show().animate({top: 0},"slow");  
  old_headline = current_headline;
}