// Opens a folder in the TwoTierCheckBoxList control.
	function OpenFolder( id ) {
		var div1 = document.getElementById( id + "-close" );
		var div2 = document.getElementById( id + "-open" );

		if ( div1 != null && div2 != null ) {
			div1.style.display = "none";
			div2.style.display = "";
		}
	}
	
	// Closes a folder in the TwoTierCheckBoxList control.
 	function CloseFolder( id ) {
		var div1 = document.getElementById( id + "-open" );
		var div2 = document.getElementById( id + "-close" );

		if ( div1 != null && div2 != null ) {
			div1.style.display = "none";
			div2.style.display = "";
		}
	}