function init() {
	var uebersichten = xGetElementsByClassName("tab_uebersicht");
	if (uebersichten.length > 0) {
		linkSparsaison();
		linkNebensaison();
		linkHauptsaison();
		for (var i=0; i<uebersichten.length; i++) {
			uebersichten[i].style.visibility = "visible";
		}
	}	
}

function linkSparsaison() {
	addLinkToCell("sparsaison",urlSparsaison);
}

function linkNebensaison() {
	addLinkToCell("nebensaison",urlNebensaison);
}

function linkHauptsaison() {
	addLinkToCell("hauptsaison",urlHauptsaison);
}

function addLinkToCell(theClass,theLink) {
	var arrElements = xGetElementsByClassName(theClass);
	for (var i=0; i<arrElements.length; i++) {
		var linkElement = document.createElement('a');
		linkElement.href = theLink;
		linkElement.innerHTML = arrElements[i].innerHTML;
		while (arrElements[i].hasChildNodes()){
			var theChild = arrElements[i].firstChild;
			arrElements[i].removeChild(theChild);
		}
		arrElements[i].appendChild(linkElement);
	}
}

function menueMouseOver(strID) {
	ele = xGetElementById("mouseover-"+strID);
	ele.style.visibility = "visible";
}

function menueMouseOut(strID) {
	ele = xGetElementById("mouseover-"+strID);
	ele.style.visibility = "hidden";
}