var headers = new Array();
var current_header = 0;
var headerTimer;

function showHeader(num)
{
	if (num != current_header)
	{
		disableButtons();
	
		$('header-button-' + current_header).className = "";
		$('header-button-' + num).className = "active";
	
		Effect.Fade('header-' + current_header);
		Effect.Appear('header-' + num, {afterFinish: showButtons});
		current_header = num;
	}
}

function disableButtons()
{
	for(var i=0; i < headers.length; i++)
	{	
		$('header-button-' + i).getElementsByTagName('a')[0].onclick2 = $('header-button-' + i).getElementsByTagName('a')[0].onclick;
		$('header-button-' + i).getElementsByTagName('a')[0].onclick = null;
	}
}

function showButtons()
{
	for(var i=0; i < headers.length; i++)
	{	
		$('header-button-' + i).getElementsByTagName('a')[0].onclick = $('header-button-' + i).getElementsByTagName('a')[0].onclick2;
	}
}

function initHeader()
{
	headerTimer = window.setInterval('nextHeader()', 6000);
	
	$('home2-header').onmouseover = function () { clearInterval(headerTimer); };
	$('home2-header').onmouseout = function () { headerTimer = window.setInterval('nextHeader()', 6000); };
}

function nextHeader()
{
	var next = 0;
	
	if (current_header == (headers.length-1))
		next = 0;
	else
		next = current_header + 1;
		
	showHeader(next);
}