var preload	= new Array();
var images	= new Array(1, 2, 3, 4, 5);
var currI	= 0;
var contCurr;
var contNext;

$(function()
{
	
	images.sort(function() { return 0.5 - Math.random(); });
	
	contCurr		= $(document.createElement('img')).hide();
	contNext		= contCurr.clone();

	$('#header_img').append(contCurr).append(contNext);
	
	rotateImage();
	
});

$(window).load(function()
{
	
	for (var i = 1; i <= 5; i++)
	{
		
		preload[i]		= new Image();
		preload[i].src	= '/resources/img/header/header_'+i+'.jpg';
		
	};
	
	setInterval("rotateImage()", 5000);
	
});


function rotateImage(next)
{
	
	var next	= getNext();
	
	contNext.hide().attr('src', next);	
	
	contNext.fadeIn(1000, function() {
		contCurr.attr('src', contNext.attr('src')).show();
	});
	
}

function getNext ()
{
	
	if (++currI >= images.length)
	{
		currI = 0;
	}
	
	var img = images[currI];
	
	return '/resources/img/header/header_'+img+'.jpg';
	
}