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

function headline_rotate() {
  current_headline = (old_headline + 1) % headline_count;
  $("div.headline:eq(" + old_headline + ")")
    .animate({top: -105},"slow", function() {
      $(this).css('top', '35px');
    });
  $("div.headline:eq(" + current_headline + ")")
    .animate({top: 1},"slow");  
  old_headline = current_headline;
}

$(document).ready(function(){
  headline_count = $("div.headline").size();
  $("div.headline:eq("+current_headline+")").css('top', '1px');
 
  headline_interval = setInterval(headline_rotate,5000);
  $('#scrollup').hover(function() {
    clearInterval(headline_interval);
  }, function() {
    headline_interval = setInterval(headline_rotate,5000);
    headline_rotate();
  });
  
  $("#navigation ul li").hover(function() {
		$(this).css({'background':"url('images/site/nav_bg.png') no-repeat 0 -35px"});
		$(this).children(".nav").css({'background':"url('images/site/nav_arrow.gif') no-repeat top right"});
	}, function() { 
		$(this).css({'background':"url('images/site/nav_bg.png') no-repeat 0 0"});
		$(this).children(".nav").css({'background':"url('images/site/nav_arrow.gif') no-repeat bottom right"});		
	});		
  
  
});