//
//
var _x_date = new Date();
var _cookieNameULID = "expandULID";
function x( o ) {
	if ( null == o ) return;
	if ( null == o.childNodes ) return;
	if ( ( new Date() - 200 ) < _x_date ) {
		return;
		// prevents event bubbling
	}
	writeSessionCookie( _cookieNameULID, o.id );
	hideall();
//	showBranch( o );
	_x_date = new Date();
}   // x()
function showBranch( o ) {
	if ( null == o ) return;
	var oParent = o.parentNode;
	while ( oParent != null ) {
		showObject( oParent );
		for ( var i = 0; i < oParent.childNodes.length; i++ ) {
			var peer = oParent.childNodes.item( i );
			showObject( peer );
		}
		oParent = oParent.parentNode;
	}
	showObject( o );
	for ( var i = 0; i < o.childNodes.length; i++ ) {
		var child = o.childNodes.item( i );
		showObject( child );
		if ( null == child.childNodes ) continue;
		for ( var k = 0; k < child.childNodes.length; k++ ) {
			var grandchild = child.childNodes.item( k );
			showObject( grandchild );
		}
	}
}   // showBranch()
function showObject( obj ) {
	if ( null == obj ) return;
	if ( null == obj.style ) return;
	var DISPLAY_BLOCK = 'block';
	obj.style.display = DISPLAY_BLOCK;
}   // showObject()
function toggleVisibility( obj ) {
	if ( null == obj ) return;
	if ( null == obj.style ) return;
	var DISPLAY_NONE = 'none';
	var DISPLAY_BLOCK = 'block';
	if ( DISPLAY_NONE == obj.style.display ) {
		obj.style.display = DISPLAY_BLOCK;
	} else {
		obj.style.display = DISPLAY_NONE;
	}
}   // toggleVisibility()
function expand( e ) {
	var obj = document.getElementById( e );
	if ( null == obj ) return;
	if ( null == obj.style ) return;
	if ( obj.style.display == 'none' ) {
		obj.style.display = 'block';
	} else {
		obj.style.display = 'none';
	}
}   // expand()
function hideall() {
	// this hides UL tags with class='subUL'
	var nodes = document.getElementsByTagName( 'ul' );
	for ( var i = 0; i < nodes.length; i++ ) {
		var nodeObj = nodes.item( i );
//		if ( nodeObj.className != 'topUL' ) {
		if ( nodeObj.className == 'subUL' ) {
			nodeObj.style.display = 'none';
		}
	}
	// check to see if part of the navigation should be expanded
	var id = getCookieValue( _cookieNameULID );
	if ( ( false == id ) || ( '' == id ) ) return;
	var obj = document.getElementById( id );
	if ( null == obj ) return;
	showBranch( obj );
}   // hideall()
//
//