function showPicture(pic, desc) {
    var content;
    var browser=navigator.appName;
	var bigDiv = document.createElement('DIV');
	bigDiv.setAttribute('id', 'pictureDiv');
	bigDiv.setAttribute('onclick', (browser=="Microsoft Internet Explorer") ? managePageContentHolder() : 'managePageContent();');
	
    content = '<img src="' + pic + '" width="600px" />';
    if(desc != '') {
		content += '<p>'+desc+'</p>';
	}
	content += '<p>Az ablak bezárásához kattintson a képre</p>';
	bigDiv.innerHTML = content;
	managePageContent();	
	document.body.appendChild(bigDiv);
}

function managePageContentHolder() {
    return function() { managePageContent(); }
}


function showKatPicture(pic, desc, main) {
	var bigDiv = document.createElement('DIV');
	bigDiv.setAttribute('id', 'katDiv');
	bigDiv.setAttribute('onclick', 'manageKatPageContent();');
	if(main == true) {
	    content = '<img src="' + pic + '" width="396px" height="571px" />';
	} else {
	    content = '<img src="' + pic + '" width="750px" height="571px" />';
	}
	bigDiv.innerHTML = content;
	manageKatPageContent();	
	document.body.appendChild(bigDiv);
}

function manageKatPageContent() {
	var katDiv = document.getElementById('katDiv');
	if(katDiv) {
		removeKatElement();
	}
}

function removeKatElement() {
	var katDiv = document.getElementById('katDiv');
	document.body.removeChild(katDiv);
}


function managePageContent() {
    var pictureDiv = document.getElementById('pictureDiv');
	if(pictureDiv) {
		removeElement();
	}
}

function removeElement() {
	var pictureDiv = document.getElementById('pictureDiv');
	document.body.removeChild(pictureDiv);
}

function newSite(newUrl) {
	window.location = newUrl;
}

function showTab(id) {
	var kepek = document.getElementById('kepek');
	//var tortenelem = document.getElementById('tortenelem');
	var kepek_container = document.getElementById('kepek_container');
	//var tortenelem_container = document.getElementById('tortenelem_container');
	
	kepek.className = (id == 'kepek') ? 'tabmenu_item_active' : 'tabmenu_item';		
	//tortenelem.className = (id != 'kepek') ? 'tabmenu_item_active' : 'tabmenu_item';
	
	if(id == 'tortenelem') {
		kepek_container.style.display = 'none';
		//tortenelem_container.style.display = 'block';	
	} else {
		kepek_container.style.display = 'block';
		//tortenelem_container.style.display = 'none';	
	}
					
}