/ live preview size
				width: 320,
				height: 240,
				
				// device capture size
				dest_width: 640,
				dest_height: 480,
				
				// final cropped size
				crop_width: 480,
				crop_height: 480,
				
				// format and quality
				image_format: 'jpeg',
				jpeg_quality: 90,
				
				// flip horizontal (mirror mode)
				flip_horiz: true
			});
			Webcam.attach( '#my_camera' );
		</script>
		
		<!-- A button for taking snaps -->
		<form>
			<div id="pre_take_buttons">
				<!-- This button is shown befor