var current_menu_id = 0;

function SetInitialMenuId(id) {
	current_menu_id = id;
} // end function

function MainMenuClick(id) {
	var div = document.getElementById('mmd' + current_menu_id);
	var img = document.getElementById('mmi' + current_menu_id);
	if (div) div.style.display = 'none';
	if (img) img.src = '/img/menu_close.gif';
	if (id == current_menu_id) {
		current_menu_id = 0;
	} else {
		if (div = document.getElementById('mmd' + id)) div.style.display = 'block';
		if (img = document.getElementById('mmi' + id)) img.src = '/img/menu_open.gif';
		current_menu_id = id;
	} // end if
/*	if ((div) && (link) && (head)) {
		if (div.style.display == 'none') { // open menu
			div.style.display = 'block';
			link.className = '';
			head.className = 'menu_opened';
		} else { // close menu
			div.style.display = 'none';
			link.className = '';
			head.className = 'menu_closed';
		} // end if
	} // end if	*/
	return false;
} // end function