/**
Rotates the images, and calls the js "full screen image" to do its duty
**/

var imgs = [["enhanced-sunspots-after-galileo-I.jpg", '#4d4c4c'],
			   ["peacock-blue.jpg",'#ffffff'],
			   ["describing-10402-days-of-dairyness.jpg",'#ffffff'],
			   ["large-regional-still-life-4.jpg",'#4d4c4c'],
			   ["describing-10402-days-of-dairyness-2.jpg",'#ffffff'],
			   ["bifolium-8.jpg",'#ffffff'],
			   ["wyoma-and-her-three-friends.jpg", '#4d4c4c'],
			   ["sand-dollar.jpg", '#ffffff'],
			   ["slumber-the-nights.jpg", '#ffffff']];

function getNextImage() {
	var index = undefined;
	var cookies = document.cookie.split(";");

	for (var i=0; i<cookies.length; i++) {
		var parts = cookies[i].split("="),
			key = parts[0].replace(/^\s+|\s+$/, ""),
			value = (parts[1] || "").replace(/^\s+|\s+$/, "");

		if (key == "imageIndex") {
			index = parseInt(value);
			break;
		}
	}
	
	if (undefined == index || isNaN(index)) {
		index = -1;
	}
	
	index++;
	
	if (index > imgs.length - 1) {
		index = 0;
	}
	
	document.cookie = "imageIndex=" + index;

	return imgs[index];
}

window.onload = function() {
	var selection = getNextImage();
	FullScreenImage(rootVirtual + "/public/img/front-page/" + selection[0]);
	document.body.style.color = selection[1];
};