var current_a = 'a_cytise';
var current_i = 'i_cytise';

function select(obj) {
	if (current_a) {
		if (current_a.length > 0) unselect(current_a);
	}
	if (document.getElementById)
			document.getElementById(obj).className = 'a_select';
	else if (document.all)
		document.all[obj].className = 'a_select';
	current_a = obj;
}
function unselect(obj) {
	if (document.getElementById)
			document.getElementById(obj).className = 'a_unselect';
	else if (document.all)
		document.all[obj].className = 'a_unselect';
}
function show(obj) {
	if (current_i) {
		if (current_i.length > 0) hide(current_i);
	}
	if (document.getElementById)
			document.getElementById(obj).className = 'i_show';
	else if (document.all)
		document.all[obj].className = 'i_show';
	current_i = obj;
}
function hide(obj) {
	if (document.getElementById)
			document.getElementById(obj).className = 'i_hide';
	else if (document.all)
		document.all[obj].className = 'i_hide';
}

function showMenu() {}