var firstRun = 1;
var img = 1;
var lastImg = 5;

function cycleHeader() {
	if (!firstRun) {
		var target = $('div#home_header');
		
		img++;
		if (img > lastImg) {
			img = 1;
		}
		var preload = new Image();
		preload.src = "/images/header/home_" + img + ".jpg";
		$(target).append('<img src="/images/header/home_' + img + '.jpg" id="animation_overlay" />');
		$('img#animation_overlay').fadeIn(1000, function() {
			$(target).css('background-image', 'url(/images/header/home_' + img + '.jpg)');
			$('img#animation_overlay').remove();
		});
	} else {
		firstRun = 0;
	}
	setTimeout('cycleHeader()', 5000);
}