 id in SPEAKER_LAYOUTS ) {
						var option = document.createElement( 'option' );
						option.setAttribute( 'value', id );
						option.textContent = SPEAKER_LAYOUTS[ id ];
						layoutDropdown.appendChild( option );
					}

					// Monitor the dropdown for changes
					layoutDropdown.addEventListener( 'change', function( event ) {

						setLayout( layoutDropdown.value );

					}, false );

					// Restore any currently persisted layout
					setLayout( getLayout() );

				}

				/**
				 * Sets a new spea