var switchImageTimer = 0;
var switchImageIndex = 0;

$(function() {
	switchImageIndex = parseInt(Math.random()*3);
	$('#header').css({
		"background-image":'url(' + $('#switchImages img:eq(' + switchImageIndex + ')').attr('src') + ')'
	});
	$('#header').hover(function() {
		clearTimeout(switchImageTimer);
	}, function() {
		switchImageTimer = setTimeout(switchImage, 10000);
	});
	
	switchImageTimer = setTimeout(switchImage, 10000);
});

function switchImage() {
	clearTimeout(switchImageTimer);
	
	$('#header').animate({
		opacity:0
	}, 500, null, function() {
		if($('#switchImages img:eq(' + (switchImageIndex + 1) + ')').attr('src') != undefined) {
			switchImageIndex++;
		} else {
			switchImageIndex = 0;
		}
		
		$('#header').css({
			"background-image":'url(' + $('#switchImages img:eq(' + (switchImageIndex) + ')').attr('src') + ')'
		});
		$('#header').animate({
			opacity:1
		}, 500, null, function() {
			switchImageTimer = setTimeout(switchImage, 10000);
		});
	});
}