/* SLIDESHOW */

var howManyImg = imgNames.length;
var currentHeader = 1;
var selectedImg = 0;

function randOrd(){
	return (Math.round(Math.random())-0.5); 
}

imgNames.sort(randOrd);

function selectImg() {
	if(selectedImg + 1 >= howManyImg) {
		selectedImg = 0;
		imgNames.sort(randOrd);
	} else {
		selectedImg++;
	}
	return imgNames[selectedImg];
}

function headerSlideShow() {
	if (currentHeader == 1) {
		jQuery("#header2").css({'z-index' : '2', 'display': 'none'});
		jQuery("#header1").css({'z-index' : '1'});
		jQuery("#header2").attr({ src: selectImg() }).fadeIn("slow");
		currentHeader = 2;
	} else {
		jQuery("#header1").css({'z-index' : '2', 'display': 'none'});
		jQuery("#header2").css({'z-index' : '1'});
		jQuery("#header1").attr({ src: selectImg() }).fadeIn("slow");
		currentHeader = 1;
	}
}

jQuery(document).ready(function() {
	jQuery("#header1").attr({ src: selectImg() });
	jQuery("#header1").after("<img src=\"" + selectImg() + "\" id=\"header2\" alt=\"\" />");
	setInterval("headerSlideShow()", 5000);
	
});