var current_area_of_practice = '';

function ShowAreaOfPractice(the_area) {
	if (! document.getElementById(the_area)) {
		return;
	}

	if ((current_area_of_practice != '') && document.getElementById(current_area_of_practice)) {
		document.getElementById(current_area_of_practice).style.display = "none";
		document.getElementById(current_area_of_practice).style.visibility = "hidden";
	}

	if (the_area != current_area_of_practice) {
		document.getElementById(the_area).style.display = "";
		document.getElementById(the_area).style.visibility = "visible";
		current_area_of_practice = the_area;
	} else {
		current_area_of_practice = '';
	}
}