/* 	Many thanks to Jason Cranford Teague for this script which is taken from his book
	DHTML and CSS for the World Wide Web - 2nd Edition - p411 - ISBN 0-201-73084-7  */
function toggleClamShellMenu(objectID) {
	if (isAll || isID) {
		domStyle = findDOM(objectID,1);
		if (domStyle.display =='block')  domStyle.display='none';
		else domStyle.display='block';
	}
	else {
		destination = objectID + '.html';
		self.location = destination;
	}
	return;
}