function ToggleLayers( ContainerId, DivId ) {
	var oContainer = document.getElementById( ContainerId );

	for(var i=0; i < oContainer.childNodes.length; i++ ) {
		oContainer.childNodes[i].style.display = 'None';
	}

	document.getElementById( DivId ).style.display = '';

	var oControlContainer = document.getElementById( ContainerId + 'Control' );


	for(var i=0; i < oControlContainer.childNodes[0].childNodes.length; i++ ) {
		oControlContainer.childNodes[0].childNodes[i].childNodes[0].className = 'ToggleOff';
	}

	document.getElementById( DivId + 'Control' ).className = 'ToggleOn';
}