module.exports = function( $ ) {

  // wph 20140105 trim not availabe in String on Mac OS.
  if ( typeof String.prototype.trim == 'undefined' ) {
    String.prototype.trim = function( ) {
      return this.replace( /^\s+|\s+$/g, '' );
    };
  }
    
  $.setTimeout = function( callback, delayInMillis ) {
    /*
     javascript programmers familiar with setTimeout know that it expects
     a delay in milliseconds. However, bukkit's scheduler expects a delay in ticks 
     (where 1 tick = 1/20th second)
     */
    var bukkitTask = server.scheduler.runTaskLater( __plugin, callback, delayInMillis/50 );
    return bukkitTask;
  };

  $.clearTimeout = function( bukkitTask ) {
    bukkitTask.cancel();
  };
    
  $.setInterval = function( callback, intervalInMillis ) {
    var delay = intervalInMillis/ 50;
    var bukkitTask = server.scheduler.runTaskTimer( __plugin, callback, delay, delay );
    return bukkitTask;
  };

  $.clearInterval = function( bukkitTask ) {
    bukkitTask.cancel();
  };

};