anchor.diff:  	div(style="clear: both;")
   
   	div#buttons
  -		input.btn.reload(type="button", value="Send Code", onclick="javascript:showCode();") SEND+		button.reload(onclick="javascript:showExample(line);") LINE EXAMPLE
  +		button.reload(onclick="javascript:showExample(enemy);") ENEMY EXAMPLE
  +		button.reload(onclick="javascript:showCode();") UPLOAD CODE
positive.code: 		<block type="controls_if"></block>
  		<block type="sumorobot_move"></block>
  		<block type="sumorobot_line"></block>
  		<block type="sumorobot_opponent"></block>
  
  	div.blockly-wrapper
  		div#blockly-div
  
negative.code: 	h1 Sumorobot programming
  	div#video
  		//img(src="http://localhost:8080/?action=stream")
  	img.tutorial(src="/img/motion.jpg", alt="motion")
  	img.tutorial(src="/img/sensors.jpg", alt="sensors")
  
  