function klikk_video(){
	document.getElementById('videoPage').style.display = "block";
	document.getElementById('fotoPage').style.display = "none";
	document.getElementById('audioPage').style.display = "none";
}
function klikk_foto(){
	document.getElementById('fotoPage').style.display = "block";
	document.getElementById('videoPage').style.display = "none";
	document.getElementById('audioPage').style.display = "none";
}
function klikk_audio(){
	document.getElementById('audioPage').style.display = "block";
	document.getElementById('videoPage').style.display = "none";
	document.getElementById('fotoPage').style.display = "none";
}
function KinyitFoto(ID){
	document.getElementById('foto1').style.display = "none";
	document.getElementById('foto2').style.display = "none";
	document.getElementById('foto3').style.display = "none";
	document.getElementById('foto4').style.display = "none";
	document.getElementById(ID).style.display = "block";
	
}
function KinyitVideo(ID){
	document.getElementById('video1').style.display = "none";
	document.getElementById('video2').style.display = "none";
	document.getElementById('video3').style.display = "none";
	document.getElementById('video4').style.display = "none";
	document.getElementById(ID).style.display = "block";
	
}
function KinyitAudio(ID){
	document.getElementById('audio1').style.display = "none";
	document.getElementById('audio2').style.display = "none";
	document.getElementById('audio3').style.display = "none";
	document.getElementById('audio4').style.display = "none";
	document.getElementById(ID).style.display = "block";	
}

//FotoGaléria
var aktiv=0;
function hasClass(ele,cls) {
	return ele.className.match(new RegExp('(\\s|^)'+cls+'(\\s|$)'));
}
 
function addClass(ele,cls) {
	if (!this.hasClass(ele,cls)) ele.className += " "+cls;
	ele.className.replace(/ +/g,' ');
}
 
function removeClass(ele,cls) {
	if (hasClass(ele,cls)) {
		var reg = new RegExp('(\\s|^)'+cls+'(\\s|$)');
		ele.className=ele.className.replace(reg,'');
	}
}
function fotoAktiv(hanyadik){	
	var h = document.getElementById("ulKisKepek").getElementsByTagName("img");
	document.getElementById("aktImg").src="media/galeria/fotok/"+h.item(hanyadik).id;
	removeClass(h.item(aktiv),"galeriaSelectKep");
	addClass(h.item(aktiv),"galeriaNoSelect");
	
	var aspan=document.getElementById("ulKisKepek").getElementsByTagName("li").item(aktiv).getElementsByTagName("span");
	removeClass(aspan.item(0),"galeriaThumbnailJelolo2");
	removeClass(aspan.item(1),"galeriaThumbnailJelolo");
	removeClass(aspan.item(2),"galeriaThumbnailJeloloArnyek");

	aktiv=hanyadik;
	removeClass(h.item(aktiv),"galeriaNoSelect");
	addClass(h.item(aktiv),"galeriaSelectKep");
	document.getElementById("hanyadik").innerHTML=hanyadik+1;

	var hspan=document.getElementById("ulKisKepek").getElementsByTagName("li").item(hanyadik).getElementsByTagName("span");
	addClass(hspan.item(0),"galeriaThumbnailJelolo2");
	addClass(hspan.item(1),"galeriaThumbnailJelolo");
	addClass(hspan.item(2),"galeriaThumbnailJeloloArnyek");
	var aImg = document.getElementById("ulKisKepek").getElementsByTagName("li").item(hanyadik).getElementsByTagName("img").item(0);
	if (aImg.width < aImg.height) {
		//document.getElementById("aktImg").width = 267;
		hspan.item(0).style.width = 59+"px";hspan.item(1).style.width = 59+"px";hspan.item(2).style.width = 59+"px";
	}
	else {
		//document.getElementById("aktImg").width = 600;
		hspan.item(0).style.width = 121+"px";hspan.item(1).style.width = 121+"px";hspan.item(2).style.width = 121+"px";
	}

	if (hanyadik>2) document.getElementById("ulKisKepek").style.left=(hanyadik-2)*(-123)+55+"px";
	else document.getElementById("ulKisKepek").style.left="0px";
}
function kovetkezoKep(){
	if (aktiv<document.getElementById("ulKisKepek").getElementsByTagName("li").length-1){		
		fotoAktiv(aktiv+1);
	}
}
function elozoKep(){
	if (aktiv>0){
		fotoAktiv(aktiv-1);
	}
}


function ZoomIn(ID) {	
	document.getElementById(ID).style.height = document.getElementById(ID).offsetHeight+"px";
	addClass(document.getElementById(ID),"zoom");
}
function ZoomOut(ID) {
	removeClass(document.getElementById(ID),"zoom");
}