	RevealChalkboard.toggleChalkboard()
				}, // toggle chalkboard when 'b' is pressed
				46: function () {
					RevealChalkboard.clear()
				}, // clear chalkboard when 'DEL' is pressed
				8: function () {
					RevealChalkboard.reset()
				}, // reset chalkboard data on current slide when 'BACKSPACE' is pressed
				68: function () {
					RevealChalkboard.download()
				}, // downlad recorded chalkboard drawing when 'd' is pressed
                */
			},
		});
	</script>
</body>

</html>