spin.min.js

$.fn.spin = function() {
  var opts = {lines: 12, length: 5, width: 3, radius: 10, color: '#333', speed: 1, trail: 52, shadow: false};
  this.each(function() {
    var spinner = $(this).data('spinner');
    if (spinner) spinner.stop();
    if (opts !== false) {
      $(this).data('spinner', new Spinner(opts).spin(this));
    }
  });
  return this;
}