var timeout;

$(document).ready(function(){
	var prettify = $("a[rel^='prettyPhoto']");
	
	if (prettify.length)
		prettify.prettyPhoto();
	
	timeout = setTimeout(toggleHeader, 10000);
	
	$('div#intro div:first-child').addClass('active');
	$('div#intro div').bind('click', selectHeader);
});

function selectHeader()
{
	clearTimeout(timeout);
	$('div#intro div.active').removeClass('active');
	$(this).addClass('active');
}

function toggleHeader()
{
	var active = $('div#intro div.active');

	if (active.next().length)
	{
		active.next().addClass('active');
		active.removeClass('active');
	}
	else
	{
		$('div#intro div:first-child').addClass('active');
		active.removeClass('active');
	}
	
	timeout = setTimeout(toggleHeader, 5000);
}