var headline_count;
var headline_interval;
var old_headline = 0;
var current_headline = 0;
function headline_rotate() {
	current_headline = (old_headline + 1) % headline_count; 
	$("#onAir ul li:eq(" + old_headline + ")").animate({top: -20},"slow", function() {
	 $(this).css('top','20px');
	});
	$("#onAir ul li:eq(" + current_headline + ")").show().animate({top: 0},"slow");  
	old_headline = current_headline;
}
function startHeadline() {
	clearInterval(headline_interval);
	headline_count = $("#onAir ul li").size();
	$("#onAir ul li:eq("+current_headline+")").css('top','0px');
	headline_interval = setInterval(headline_rotate,7000); //time in milliseconds
	$('#scrollup').hover(function() {
		clearInterval(headline_interval);
	}, function() {
		headline_interval = setInterval(headline_rotate,7000); //time in milliseconds
		headline_rotate();
	});
}

$(document).ready(function() {
	var options = {
  		newsList: "#newsticker",
 		startDelay: 10,
 		tickerRate: 30,
 		placeHolder1: "_",
 		placeHolder2: "_"
	}
	$().newsTicker(options);
	startHeadline();
});