function showNav(id) {
	document.getElementById(id).style.display = "block";
}

function hideNav(id) {
	document.getElementById(id).style.display = "none";
	
}

function hide(id) {
	document.getElementById(id).innerHTML = "";
	 
	
	
}

function toggle(id) {
	document.getElementById(id).style.display = (document.getElementById(id).style.display != "block" ? "block" : "none" );
}