// Swap between teaser images
// Teaser IDs starting with 0

var delay = 5; // Delay in seconds
var n = 1;
var changeteaser = window.setInterval('nextTeaser()', delay * 1000);

// Next teaser
function nextTeaser()
{
	if(!document.getElementById('header_' + n))
	{
		n = 1;
	}

	showTeaser(n);
	n++;
}

// Show teaser
function showTeaser(id)
{
	var i = 1;
	n = id;

	// Hide teasers
	while(document.getElementById('header_' + i))
	{
		document.getElementById('header_' + i).style.display='none';
		i++;
	}

	// Show active teaser
	document.getElementById('header_' + n).style.display='block';
}