var autoClose=1;
var oldObject=null;

function toggleClamShellMenu(objectID) {
	if ((oldObject) && (autoClose==1)) oldObject.style.display='none'
		var object = document.getElementById(objectID);

	if (object.style.display =='block')  object.style.display='none';

	else object.style.display='block';

	oldObject = object;

	return;
}