/**
* Set Timeout
* (c) 2013 Bill, BunKat LLC.
*
* Works similar to setTimeout() but allows you to specify a Later schedule
* instead of milliseconds.
*
* Later is freely distributable under the MIT license.
* For all details and documentation:
*     http://github.com/bunkat/later
*/

later.setTimeout = function(fn, sched) {

  var s = later.schedule(sched), t;
  scheduleTimeout();

  /**
  * Schedules the timeout to occur. If the next occurrence is greater than the
  * max supported delay (2147483647 ms) than we delay for that amount before
  * attempting to schedule the timeout again.
  */
  function scheduleTimeout() {
    var now = Date.now(),
        next = s.next(2, now),
        diff = next[0].getTime() - now;

    // minimum time to fire is one second, use next occurrence instead
    if(diff < 1000) {
      diff = next[1].getTime() - now;
    }

    if(diff < 2147483647) {
      t = setTimeout(fn, diff);
    }
    else {
      t = setTimeout(scheduleTimeout, 2147483647);
    }
  }

  return {

    /**
    * Clears the timeout.
    */
    clear: function() {
      clearTimeout(t);
    }

  };

};