var nav_names = new Array("", "glas_innengravur", "cerion_systeme", "service", "referenzen", "unternehmen", "news", "get_your_infopack");
var timer;
var currentmenu = "";

function showNavEbene2 (cat) {
	clearTimeout(timer); // Timout löschen
	
	for (var i = 1; i <= 6; i++) {
		if (nav_names[i] == cat) {	
			document.getElementById("navEbene2_" + nav_names[i]).style.display = "block"; // Ebene 2 einblenden
			document.getElementById("btn_" + nav_names[i]).style.backgroundColor = "#707070";
			document.getElementById("btn_" + nav_names[i]).style.color = "#000000";
		}
		else {
			document.getElementById("navEbene2_" + nav_names[i]).style.display = "none"; // Ebene 2 ausblenden
			document.getElementById("btn_" + nav_names[i]).style.backgroundColor = "#555555";
			document.getElementById("btn_" + nav_names[i]).style.color = "#cccccc";
		}
	}
	
	document.getElementById("navEbene2Box").style.backgroundColor = "#707070";
}

function hideNavEbene2 (cat) {
	document.getElementById("navEbene2_" + cat).style.display = "none"; // Ebene 2 ausblenden
	document.getElementById("navEbene2Box").style.backgroundColor = "transparent";
	document.getElementById("btn_" + cat).style.backgroundColor = "#555555";
	document.getElementById("btn_" + cat).style.color = "#cccccc";
	
	if (currentmenu == "") {
		//
	}
	else {
		document.getElementById("navEbene2_" + currentmenu).style.display = "block"; // Ebene 2 einblenden
		document.getElementById("navEbene2Box").style.backgroundColor = "#707070";
		document.getElementById("btn_" + currentmenu).style.backgroundColor = "#707070";
		document.getElementById("btn_" + currentmenu).style.color = "#000000";
		
	}
}

function out (cat) {
	timer = setTimeout("hideNavEbene2('" + cat + "')", 4000); // nach Ablauf auf Ursprung zurücksetzen
}