/***********************************************************
 * ShowHideByID
   * show object when it is hidden;
   * hide object when it is shown;
 **********************************************************/
function ShowHideByID(id) {
// <![CDATA[
	if (document.getElementById || document.all) {
		object = document.getElementById(id);
		object_collapsed = object.style.display;
		if (object_collapsed == 'none') {
			object.style.display = '';
		} else {
			object.style.display = 'none';
		}
	}
// ]]>
}