// called in body -> onload 
function showSubItemsStart(){

//hide all subitems for full navigation without javascript
hideall = new Array("nav_lage", "nav_grundriss", "nav_ai", "nav_factsheet", "nav_referenzen", "nav_technik", "nav_speisen", "nav_geschlossen", "nav_impressum");

for (var i=0;i<hideall.length;i++){
	document.getElementById(hideall[i]).style.display="none";
	
	}
	
// Subitems by selected main category
ids_start = new Array();

if(kat == "location"){
ids_start.push("nav_lage", "nav_grundriss", "nav_factsheet", "nav_technik");
}

if(kat == "events"){
ids_start.push("nav_ai", "nav_referenzen");
}

if(kat == "dining"){
ids_start.push("nav_speisen", "nav_geschlossen");
}

if(kat == "kontakt"){
ids_start.push("nav_impressum");
}

// show subitems at pageload for selected main category
for (var i=0;i<ids_start.length;i++){
	document.getElementById(ids_start[i]).style.display="block";	
	}
}

// show subitems by mouseover -> not for selected category
function showSubItems(item1, item2, item3){
	for (var i=1;i<arguments.length;i++){
	document.getElementById(arguments[i]).style.display="block";
	}}
	

// hide subitems on mouseout -> not for selected category	
function hideAll(){

ids = new Array();

if(kat != "location"){
ids.push("nav_lage", "nav_grundriss", "nav_factsheet", "nav_technik");
}

if(kat != "events"){
ids.push("nav_ai", "nav_referenzen");
}

if(kat != "dining"){
ids.push("nav_speisen", "nav_geschlossen");
}

if(kat != "kontakt"){
ids.push("nav_impressum");
}

for (var i=0;i<ids.length;i++){
	document.getElementById(ids[i]).style.display="none";
	
	}
}