function nav (nav_id,sprache)
	{
	var nav_elemente = new Array("nav_kruspe","nav_instrumente","nav_kontakt");
	var i;
	for (i = 0; i < nav_elemente.length;i++)
		{
		if (nav_elemente[i] == nav_id)
			{
			document.getElementById(nav_id).style.backgroundColor = "#966432";
			document.getElementById(nav_id).style.color = "#fac896";
			document.getElementById('nav_sub_' + nav_id.substring(4,nav_id.length)).style.display = "block";
			}
			else
			{
			document.getElementById(nav_elemente[i]).style.backgroundColor = "#fac896";
			document.getElementById(nav_elemente[i]).style.color = "#663300";
			document.getElementById('nav_sub_' + nav_elemente[i].substring(4,nav_elemente[i].length)).style.display = "none";
			}
		if (nav_id == "nav_instrumente")
			{
			parent.main.location.href = nav_id.substring(4,nav_id.length) + "_" + sprache + ".html";
			}
		}
	}
	
function nav_sub (nav_sub_id,sprache)
	{
	var nav_sub_elemente = new Array("nav_sub_kruspe_geschichte","nav_sub_kruspe_gallerie","nav_sub_instrumente_hoerner","nav_sub_instrumente_posaunen","nav_sub_kontakt_kontaktdaten");
	var i;
	for (i = 0; i < nav_sub_elemente.length;i++)
		{
		if (nav_sub_elemente[i] == nav_sub_id)
			{
			document.getElementById(nav_sub_id).style.backgroundColor = "#966432";
			document.getElementById(nav_sub_id).style.color = "#fac896";
			parent.main.location.href = nav_sub_id.substring(8,nav_sub_id.length) + "_" + sprache + ".html";
			if (nav_sub_id == "nav_sub_instrumente_hoerner")
				{
				document.getElementById('nav_sub_instrumente_sub_hoerner').style.display = "block";
				}
				else
				{
				document.getElementById('nav_sub_instrumente_sub_hoerner').style.display = "none";
				}
			}
			else
			{
			document.getElementById(nav_sub_elemente[i]).style.backgroundColor = "#fac896";
			document.getElementById(nav_sub_elemente[i]).style.color = "#663300";
			}
		}
	}
	
function nav_sub_sub (nav_sub_sub_id,sprache)
	{
	var nav_sub_sub_elemente = new Array("nav_sub_sub_instrumente_hoerner_01","nav_sub_sub_instrumente_hoerner_02","nav_sub_sub_instrumente_hoerner_03","nav_sub_sub_instrumente_hoerner_04","nav_sub_sub_instrumente_hoerner_05","nav_sub_sub_instrumente_hoerner_06","nav_sub_sub_instrumente_hoerner_07","nav_sub_sub_instrumente_hoerner_08","nav_sub_sub_instrumente_hoerner_09","nav_sub_sub_instrumente_hoerner_10","nav_sub_sub_instrumente_hoerner_11");
	var i;
	for (i = 0; i < nav_sub_sub_elemente.length;i++)
		{
		if (nav_sub_sub_elemente[i] == nav_sub_sub_id)
			{
			document.getElementById(nav_sub_sub_id).style.backgroundColor = "#966432";
			document.getElementById(nav_sub_sub_id).style.color = "#fac896";
			parent.main.location.href = nav_sub_sub_id.substring(12,nav_sub_sub_id.length) + "_" + sprache + ".html";
			}
			else
			{
			document.getElementById(nav_sub_sub_elemente[i]).style.backgroundColor = "#fac896";
			document.getElementById(nav_sub_sub_elemente[i]).style.color = "#663300";
			}
		}
	}
	
function fenster (element,breite,hoehe)
	{
	var fenster_leer;
	var b = parseInt(breite) + 20;
	var h = parseInt(hoehe) + 20;
	var posX = (screen.availWidth - b)/2;
	var posY = (screen.availHeight - h)/2;
	fenster_leer = window.open(element,"","width=" + b + ",height=" + h + ",screenX=" + posX + ",screenY=" + posY + ",dependent=yes,location=no,menubar=no,resizable=no,status=no,scrollbars=no");
	}