function initGal() {
	galdiv = document.getElementById('gallery');
	galdiv.style.visibility = 'visible';
}

function closeGal() {
	imgele = document.getElementById('gimage');
	imgele.src = '';
	galdiv = document.getElementById('gallery');
	galdiv.style.visibility = 'hidden';
}

function initImg(img) {
	imgele = document.getElementById('gimage');
	imgele.src = img;
}

function showImg(img) {
	initImg(img);
	showPage(findK());
	initGal();
}

function showPage(i) {
	pnum = document.getElementById('pagenumber');
	t = i + ' ze ';
	t = t + (k.length - 1);
	pnum.innerHTML = t;
}

function findK() {
	imgele = document.getElementById('gimage');
	inam = imgele.src;
	for (var i = 1; i < k.length; i++) {
		if (k[i] == inam) {
			return i;
		}
	}
	return false;
}

function prevImg() {
	i = findK() - 1;
	if (i < 1)
		i = k.length - 1;
	showPage(i);
	initImg(k[i]);
}

function nextImg() {
	i = findK() + 1;
	if (i >= k.length)
		i = 1;
	showPage(i);
	initImg(k[i]);
}

//obj = getElementByTag('body');
//obj.style.width = 200px;