text: var sw = sw || {};
  
  (function(sw, $) {
    
    sw.getRand = function(min, max) {
      return Math.floor(Math.random() * (max - min)) + min;
    }
    
    sw.getRandItem = function(arr) {
      return arr[sw.getRand(0, arr.length)];
    }
    
  })(sw, jQuery);
  