function clearSub() {
	document.getElementById('schuleSub').style.display="none";
	document.getElementById('unterrichtSub').style.display="none";
	document.getElementById('zertSub').style.display="none";
	document.getElementById('partnerSub').style.display="none";
}

function actSub(subId) {
	clearSub();
}

function namenzusammensetzen(domain, name)
{
	location.href= 'mailto:' + name + '@' + domain;
}

function actMenu(menuToAct, subMenu) {
		clearSub();
		
		var mainMenu = document.getElementById('mainNav');
		
		// Menü- und Schriftfarbe zurücksetzen
		for (j = 0; j < mainMenu.childNodes.length; j++) {
			if (mainMenu.childNodes[j].nodeName == "UL") {
				for(i = 0; i < mainMenu.childNodes[j].childNodes.length; i++) {
					if (mainMenu.childNodes[j].childNodes[i].nodeName == "LI") {
						mainMenu.childNodes[j].childNodes[i].style.backgroundColor = "transparent";
						mainMenu.childNodes[j].childNodes[i].style.color = "#000000";
						for (k = 0; k < mainMenu.childNodes[j].childNodes[i].childNodes.length; k++) {
							if (mainMenu.childNodes[j].childNodes[i].childNodes[k].nodeName == "A") {
								mainMenu.childNodes[j].childNodes[i].childNodes[k].style.color = "#000000";
							}
						}
					}
				}
			}
		}
		
		// entsprechendes Menü kennzeichnen 
		menuToAct.style.backgroundColor = "#474747";
		menuToAct.style.color = "#FFFFFF";
		for (k = 0; k < menuToAct.childNodes.length; k++) {
			if (menuToAct.childNodes[k].nodeName == "A") {
				menuToAct.childNodes[k].style.color = "#FFFFFF";
			}
		}
/*		if (menuToAct.innerText == "Home" || menuToAct.innerText == "Termine") {
			menuToAct.style.margin = "0px 0px 0px 0px";
			menuToAct.style.padding = "6px 0px 6px 0px";
		}
		else {
			menuToAct.style.margin = "0px 0px 0px 0px";
			menuToAct.style.padding = "6px 0px 6px 0px";
		}
		*/
		
		
		if (subMenu != "") {
			document.getElementById(subMenu).style.display="block";
		}
}


function resetSubs() {
	var subNav = document.getElementById('subNav');
	for (j = 0; j < subNav.childNodes.length; j++) {
		if (subNav.childNodes[j].nodeName == "UL") {
			for(i = 0; i < subNav.childNodes[j].childNodes.length; i++) {
				if (subNav.childNodes[j].childNodes[i].nodeName == "LI") {
						/*mainMenu.childNodes.item(0).childNodes.item(i).style.backgroundImage = "url(../images/Header_mit_Schrift.png)";*/
						subNav.childNodes[j].childNodes[i].style.color = "#FFFFFF";
						subNav.childNodes[j].childNodes[i].style.backgroundColor = "#474747";
						
				}
			}
		}
	}		
}