function toggleDisclosureWidget(id) {
var img = document.getElementById(id + '_img');
var div = document.getElementById(id);

	if (div.className == 'slide-show-plain') {
		div.className = 'slide-hide';
		img.src = 'images/disclosure-closed.png';
		img.alt = 'open';
	} else {
		div.className = 'slide-show-plain';
		img.src = 'images/disclosure-open.png';
		img.alt = 'close';
	}
}