function toggle(idnum) {
	var obj = document.getElementById(idnum);
	if (obj.style.display=="none") {
		obj.style.visibility="visible";
		obj.style.display="block";
	}
	else {
		obj.style.visibility="hidden";
		obj.style.display="none";
	}
}

function HideContent(d) {
	document.getElementById(d).style.display = "none";
	document.getElementById(0).style.display = "block";
}

function ShowContent(d) {
	document.getElementById(0).style.display = "none";
	document.getElementById(d).style.display = "block";
}