var zalozkaDetail = null;

function switchZalozkaClass(elem) {
	var elemId = elem.id;

	if (elemId == zalozkaDetail) {
		elem.blur();
		return false;
	}

	elem.className = "active";

	var obsahElem = document.getElementById(elemId+'Obsah');
	if (obsahElem != null) {
		obsahElem.className = obsahElem.className.replace(/\ old/i, "");
	}

	if (zalozkaDetail != null) {
		var oldActiveElem = document.getElementById(zalozkaDetail);
		if (oldActiveElem != null) {
			oldActiveElem.className = null;
		}

		oldActiveElem = document.getElementById(zalozkaDetail+'Obsah');
		if (oldActiveElem != null) {
			oldActiveElem.className = oldActiveElem.className + ' old';
		}
	}

	zalozkaDetail = elemId;

	elem.blur();
	return false;
}