// Untermenü öffnen

function m(subNav)
{
	// Element suchen (DOM, IE, Netscape)
	if ( document.getElementById )
		var elt = document.getElementById(subNav);
	else if ( document.all )
		var elt = document.all[subNav];
	else if ( document.layers )
		var elt = document.layers[subNav];
	else
		return true;

	// Untermenü anzeigen/verstecken
	if ( elt.style )
	{
		if ( elt.style.display == "" || elt.style.display == "none" )
			elt.style.display = "block";
		else
			elt.style.display = "none";

		return false;

	} else
	{
		return true;
	}
	
}

// Fehlersituation

window.onerror = function()
{
	return true;
}