ipt -->
    <script>
      $(function () {
        /* jQueryKnob */

        $(".knob").knob({
          /*change : function (value) {
           //console.log("change : " + value);
           },
           release : function (value) {
           console.log("release : " + value);
           },
           cancel : function () {
           console.log("cancel : " + this.value);
           },*/
          draw: function () {

            // "tron" case
            if (this.$.data('skin') == 'tron') {

        