function showMenu(e){
	document.getElementById(e).style.display = 'block';
	var menuArray = new Array("about-sub","signup-sub","resource-sub","info-sub","media-sub")
	for ( var i in menuArray ) {
		if ( menuArray[i] !== e ) {
			document.getElementById(menuArray[i]).style.display = 'none';
		}
	}
}

function menuPersist(e){
	document.getElementById(e).style.display = 'block';
}