function toggleMenu(i) {
	//identity.className=newClass;
	var lmheader = document.getElementById('lmheader' + i);
	var lmitems = document.getElementById('lmitems' + i);
	if ( lmitems ) {
		if ( lmitems.style.display == 'none' ) {
			show(lmitems);
			lmheader.className = 'menuitem' + i + ' active' + i;
		}
		else {
			hide(lmitems);
			lmheader.className = 'menuitem' + i;
		}
	}

	// hide the rest
	//for ( j = 1; j <= 6; j++ ) {
	//	if ( j != i ) {
	//		hide(document.getElementById('lmitems' + j));
	//	}
	//}
}

/**
 * hide
 */
function hide(e) {
  e.style.visibility = 'hidden';
  e.style.display = 'none';
}

/**
 * show
 */
function show(e) {
  e.style.visibility = 'visible';
  e.style.display = 'block';
}