 	)()
 
 	@conconjr = ->
-		return if not $('.header').is ':visible'
+		return unless $('.header').is ':visible'
 		init()
 		animate()
 

		_.extend @, options
		@.reset()

	_.extend Line.prototype,
		change: ->
			@end - @start


	randomBetween = ( min, max ) ->
		Math.round ( Math.random() * ( max - min ) ) + min

	Line = ( options = {} ) ->
		_.defaults options,
			x:        0
			y:        0
