function switchNavigation(aktion,id)
{
	if (aktion == "in"){
		if (isNaN(document.getElementById('sub'+id)) && document.getElementById('sub'+id).childNodes.length > 1){
			document.getElementById('sub'+id).style.top = "0px";
			document.getElementById('sub'+id).style.left = "0px";
			document.getElementById('headernav').style.zIndex = "2000";
		} else {
			return true;
		}
	} else {
		if (isNaN(document.getElementById('sub'+id))){
			document.getElementById('sub'+id).style.top = "-9999px";
			document.getElementById('sub'+id).style.left = "-9999px";
			document.getElementById('headernav').style.zIndex = "10";
		} else {
			return true;
		}
	}
	//alert(document.getElementById('sub'+id).style.zIndex);
}