/* 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;
	}
}



function moveRecentImages() {
	if(howManyRecentPhotos > 1) {
		if(recentPhotosCurrent + 1 < howManyRecentPhotos) {
			recentPhotosCurrent++;
		} else {
			recentPhotosCurrent = 0;
		}
		jQuery("#recentPhotos ul").animate({"top" : "-" + (recentPhotosCurrent * 290) + "px"}, "slow");
	}
}


jQuery(document).ready(function() {
	// move recentPhotos around
	if(jQuery("#recentPhotos li")) {
		howManyRecentPhotos = Math.ceil((jQuery("#recentPhotos li").size()) /4);
		recentPhotosCurrent = 0;
		setInterval("moveRecentImages()", 6000);
	}
	if(jQuery("#header1")) {
		jQuery("#header1").attr({ src: selectImg() });
		jQuery("#header1").after("<img src=\"" + selectImg() + "\" id=\"header2\" alt=\"\" />");
		setInterval("headerSlideShow()", 6000);
	}
	
	
	Shadowbox.init({
		overlayOpacity: "0.8"
	});
	
	
	jQuery("#Navigation li.hassub").mouseover(
		function() {
			jQuery(this).addClass("menuOpen");
		}
	);
	
	jQuery("#Navigation li.hassub").mouseout(
		function() {
			jQuery(this).removeClass("menuOpen");
		}
	);
	
	
	jQuery("#BgContainer").append('<img id="balloons" src="/themes/spoor/images/spoor_balloons.gif" alt="" />');

	
});