/* # Navigations-Modul-Typ001		*/
/* ################################	*/
/* # Erstellung: Juli 2004			*/
/* # 								*/
/* # 								*/
/* # 								*/
/* ################################	*/

var menuspeicher1	= new Array();
var menuspeicher2	= new Array();
var DHTML			= (document.getElementById || document.all || document.layers);
var pruefung;

function show(name,lvl,obj)
{
	if (!DHTML) return;
	
	checkUserInput();
	if (menuspeicher1[lvl] && menuspeicher1[lvl] == name) return;
	
	if (menuspeicher1[lvl])
	{
		closeAll(lvl);
	}
	
	if (name)
	{
		var x = getObj(name);
		x.visibility = 'visible';
	}
	
	menuspeicher1[lvl] = name;
	if (obj.parentNode) y = obj.parentNode;
	else if (obj.parentElement) y = obj.parentElement;
	else return;
	if (y.className) return;
	y.className = 'over';
	if (menuspeicher2[lvl]) menuspeicher2[lvl].className = '';
	menuspeicher2[lvl] = y;
}

function checkUserInput()
{
	if (pruefung) clearTimeout(pruefung);
	pruefung = setTimeout('closeAll(1)',6000); /* Dauer der Einblendung */
}

function getObj(name)
{
  if (document.getElementById)
  {
    return document.getElementById(name).style;
  }
  else if (document.all)
  {
    return document.all[name].style;
  }
  else if (document.layers)
  {
    return document.layers[name];
  }
  else return false;
}

function closeAll(lvl)
{
	for (i=menuspeicher1.length - 1;i>=lvl;i--)
	{
		if (menuspeicher1[i]) //IE4 Mac
		{
			var x = getObj(menuspeicher1[i]);
			x.visibility = 'hidden';
		}
		menuspeicher1[i] = null;
		if (menuspeicher2[i])
		{
			menuspeicher2[i].className = '';
			menuspeicher2[i] = null;
		}
	}
}