/*
 * file: twomenu.js
 * date: thu 10 may 20:53:37 2007
 * auth: thomas wolf <two_tacc.at>
 */
var g_objects = new Array();
var g_iarrow1 = 'img/arrow1.png';
var g_iarrow2 = 'img/arrow2.png';

function _getobj( b,n )
{
	var m_doc = b ? b.document : document;

	if (typeof( g_objects[ n ] ) == 'undefined')
	{
		if (m_doc.getElementById)
			g_objects[ n ] = m_doc.getElementById( n );
		else if (m_doc.all)
			g_objects[ n ] = m_doc.all[ n ];
		else if (m_doc.layers)
			g_objects[ n ] = m_doc.layers[ n ];
		else if (m_doc.images)
			g_objects[ n ] = m_doc.images[ n ];
	}
	return g_objects[ n ];
}
function _m( id )
{
	var m_menu = _getobj( 0,id );
	var m_img  = _getobj( 0,id+'img' );
	if (m_menu)
	{
		if (m_menu.className == 'menuhidden') {
			m_menu.className = 'menushown';
		} else {
			m_menu.className = 'menuhidden';
		}
	}
	if (m_img)
	{
		if (m_menu.className == 'menuhidden') {
			m_img.src = g_iarrow1;
		} else {
			m_img.src = g_iarrow2;
		}
	}
}