/*A projekthez tartozó összes JS funkció gyűjtője*/

function toggleIt(node) {
	if (document.getElementById(node).style.display == "none") {
		document.getElementById(node).style.display = "block";
	} else {
		document.getElementById(node).style.display = "none";
	}
}

function zoom(index, newImage) {
	document.getElementById('mainImg').src = newImage;
	imgIndex = index;
	document.getElementById('imgNo').innerHTML = titleArray[imgIndex];
	if (imgIndex == 0) {
		document.getElementById("navigLeft").style.display = "none";
	} else {
		document.getElementById("navigLeft").style.display = "block";
	}
	if (imgArray.length - 1 > imgIndex) {
		document.getElementById("navigRight").style.display = "block";
	} else {
		document.getElementById("navigRight").style.display = "none";
	}
}

function prevImage(url) {
	if (imgArray.length  > 0) {
		imgIndex--;
		document.getElementById('mainImg').src = url + imgArray[imgIndex] + "&base_width=400&base_height=400";
		document.getElementById('imgNo').innerHTML = titleArray[imgIndex];
		if (imgIndex == 0) {
			document.getElementById("navigLeft").style.display = "none";
		}
		if (imgArray.length - 1 > imgIndex) {
			document.getElementById("navigRight").style.display = "block";
		}
	}
}

function nextImage(url) {
	if (imgArray.length - 1 > imgIndex) {
		imgIndex++;
		document.getElementById('mainImg').src = url + imgArray[imgIndex] + "&base_width=400&base_height=400";
		document.getElementById('imgNo').innerHTML = titleArray[imgIndex];
		if (imgIndex > 0) {
			document.getElementById("navigLeft").style.display = "block";
		}
		if (imgArray.length - 1 == imgIndex) {
			document.getElementById("navigRight").style.display = "none";
		}
	}
}