function createStatusDiv() {

		var statusDiv = document.getElementById( 'aria-status-div' );
		if( !statusDiv ) {
			statusDiv = document.createElement( 'div' );
			statusDiv.style.position = 'absolute';
			statusDiv.style.height = '1px';
			statusDiv.style.width = '1px';
			statusDiv.style.overflow ='hidden';
			statusDiv.style.clip = 'rect( 1px, 1px, 1px, 1px )';
			statusDiv.setAttribute( 'id', 'aria-status-div' );
			statusDiv.setAttribute( 'aria-live', 'polite' );
			statusDiv.setAttribute( 'aria-atomic','true' );
			dom.wrapper.appendChild( statusDiv );
		}
		return statusDiv;

	}
Creates a hidden div with role aria-live to announce the
current slide content. Hide the div off-screen to make it
available only to Assistive Technologies.