imgIndex = 0;
function getIndex(i) {
	if(i > images.length - 1) {
		return 0;
	} else if(i < 0) {
		return images.length - 1;
	} else {
		return i;
	}
}
function loadImg(i) {
	i = i?i:imgIndex;
	imgIndex = getIndex(i);
	document.getElementById('gallery').innerHTML = images[imgIndex];
	document.getElementById('lprev').innerHTML = previews[getIndex(imgIndex - 1)];
	document.getElementById('rprev').innerHTML = previews[getIndex(imgIndex + 1)];
}
function nextImg() {
	loadImg(getIndex(++imgIndex));
}
function prevImg() {
	loadImg(getIndex(--imgIndex));
}
function loadArrows() {
	lArrow = document.getElementById('larrow');
	rArrow = document.getElementById('rarrow');
	lArrow.innerHTML = "<a href='#'>&lt;&lt;previous</a>";
	rArrow.innerHTML = "<a href='#'>next&gt;&gt;</a>";
	lArrow.onclick = prevImg;
	rArrow.onclick = nextImg;
}
function loadArrow(img, src) {
	img.src = src;
}
function fullSize(URL) {
	day = new Date();
	id = day.getTime();
	page[id] = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width=800,height=800,left = 300,top = 125');
}