function hoverNavigation(element, alias)
{
	if (document.getElementById(alias+"Sub")) document.getElementById(alias+"Sub").style.display = "block";
	
	var domElement = document.getElementById(alias);	
	if (domElement.className == "")
	{
		domElement.style.backgroundImage = "url("+baseurl+"img/navi-bg-active.png)";
		domElement.childNodes[0].childNodes[0].src = baseurl+"img/navigation/" + element + "-aktiv.png";
	}
}

function unHoverNavigation(element, alias)
{
	if (document.getElementById(alias+"Sub")) document.getElementById(alias+"Sub").style.display = "none";
	
	var domElement = document.getElementById(alias);	
	if (domElement.className == "")
	{
		domElement.style.backgroundImage = "url("+baseurl+"img/navi-bg.png)";
		domElement.childNodes[0].childNodes[0].src = baseurl+"img/navigation/" + element + ".png";
	}
}

function clickNavi(element)
{
	document.location.href = element.childNodes[0];
}