gistfile1.js

var lectric_slider = new Lectric();
  lectric_slider.init("#featured_images", {
    next:".lectric_right_arrow", 
    previous:".lectric_left_arrow",
    tossing: true,
    tossFunction: function(x, dx, dt) {
        return x + dx * 100 / dt;
    },
    hooks: {
        init: function(s) {
            if (!supportsTouch) {
                s.element.parent().append(keyboardNav);
                setTimeout(function() {
                    keyboardNav.fadeOut();
                }, 1500);
            }
        }
    }
  });