var omenu = null;
var omenucount = 0;
var smenu = null;
var smenucount = 0;
function openMenu(menu, subMenuCount, menuNum){
	resetAll();
	omenu = menu;
	omenucount = subMenuCount;
	for(i=1; i<=subMenuCount; i++){
		document.getElementById(menu + i).style.display = '';
		document.getElementById(menu + i + 's').style.display = '';
	}
}
function openSubMenu(menu, subMenuCount){
	resetSub();
	smenu = menu;
	smenucount = subMenuCount;
	for(i=1; i<=subMenuCount; i++){
		document.getElementById(menu + i).style.display = '';
		document.getElementById(menu + i + 's').style.display = '';
	}
}
function resetAll(){
	resetSub();
	if (omenu != null) {
		for(i=1; i<=omenucount; i++){
			document.getElementById(omenu + i).style.display = 'none';
			document.getElementById(omenu + i + 's').style.display = 'none';
		}
	}
}
function resetSub(){
	if (smenu != null) {
		for(i=1; i<=smenucount; i++){
			document.getElementById(smenu + i).style.display = 'none';
			document.getElementById(smenu + i + 's').style.display = 'none';
		}
	}
}