function mlr(o,lr) {
	var el=document.getElementById('m'+lr);
	if(o) {
		el.className="m"+lr+"h";
	} else {
		el.className="";
	}
}

function showSubMenu(a,u) {
	var u=document.getElementById(u);
	if(a.className=='submenu') {
		a.className='submenua';
		u.style.display='block';
	}
	else {
		u.style.display='none';
		a.className='submenu';
	}
	return false;
}