function toggle (targetID)
{
	if (document.getElementById) {
		target = document.getElementById(targetID);
		if (target.style.display == "none") {
			target.style.display = "";
		} else {
			target.style.display = "none";
		}
	}
}

function toggle_show (targetID)
{
	if (document.getElementById) {
		target = document.getElementById(targetID);
		target.style.display = "";
	}
}

function toggle_hide (targetID)
{
	if (document.getElementById) {
		target = document.getElementById(targetID);
		target.style.display = "none";
	}
}