function disableIt(obj){
	obj.disabled = !(obj.disabled);
	var z = (obj.disabled) ? 'disabled' : 'enabled';
}
function extracheck(obj){
	return !obj.disabled;
}

// vyskakovacie okna
var browserType;

if (document.layers) {browserType = "nn4"}
if (document.all) {browserType = "ie"}
if (window.navigator.userAgent.toLowerCase().match("gecko")) {
 browserType= "gecko"
}

function hide2(idname) {
	document.getElementById(idname).style.display="none"
}

function show2(idname) {
	if (browserType == "gecko" )
		document.poppedLayer = eval('document.getElementById(idname)');
	else if (browserType == "ie")
		document.poppedLayer = eval('document.getElementById(idname)');
	else if (browserType == "opera")
		document.poppedLayer = eval('document.getElementById(idname)');
	else
		document.poppedLayer = eval('document.layers[idname]');
		document.poppedLayer.style.display = "block";
}

// Javascriptove prepinanie
var advanced = false;
function show_text(){
	more = document.getElementById("link_more");
	if(advanced){
		document.getElementById("image").style.display = "block";
		document.getElementById("text").style.display = "none";
		//more.innerHTML = "jednoduché »";
		advanced = false;
	}else{
		document.getElementById("image").style.display = "none";
		document.getElementById("text").style.display = "block";
		//more.innerHTML = "Zobraziť viac...";
		advanced =  true;
	}
}