code: function padNumber(number, length)
      {
          var result = number.toString();
  
          while (result.length < length)
              result = '0' + result;
  
          return result;
      }
docs: Pads number with zeros until it's length is the same as given length.
  
  @param {Number} number	Number to pad.
  @param {Number} length	Max string length with.
  @return {String}			Returns a string padded with proper amount of '0'.