_buildStructure: function() { return d('.hk-box'); }
_buildStructure: function() { return d('canvas.hk-knob', {width: this._size, height: this._size}); },
_buildStructure: function() { return d('.hk-horizontal-slider', d('.fill!fill'), d('.caption!captionEl') ); },
_buildStructure: function() { return d('a', {href: '#'}, d('span!text')); },
_buildStructure: function() { return d('.hk-console'); }