(function($) {

  $.fn.jclock = function(options) {
    var version = '1.2.0';

    var opts = $.extend({}, $.fn.jclock.defaults, options);

    return this.each(function() {
      $this = $(this);
      $this.timerID = null;
      $this.running = false;

      var o = $.meta ? $.extend({}, opts, $this.data()) : opts;

      $this.timeNotation = o.timeNotation;
      $this.am_pm = o.am_pm;
      $this.utc = o.utc;
      $this.utc_offset = o.utc_offset;

      $this.css({
        fontFamily: o.fontFamily,
        fontSize: o.fontSize,
        backgroundColor: o.background,
        color: o.foreground
      });
      $.fn.jclock.startClock($this);

    });
  };

  $.fn.jclock.startClock = function(el) {
    $.fn.jclock.stopClock(el);
    $.fn.jclock.displayTime(el);
  }

  $.fn.jclock.stopClock = function(el) {
    if(el.running) {
      clearTimeout(el.timerID);
    }
    el.running = false;
  }

  $.fn.jclock.displayTime = function(el) {
    var time = $.fn.jclock.getTime(el);
    el.html(time);
    el.timerID = setTimeout(function(){$.fn.jclock.displayTime(el)},1000);
  }

  $.fn.jclock.getTime = function(el) {
    var now = new Date();
    var hours, minutes, seconds;
    var aDays=new Array("Sunday","Monday","Tuesday","Wednesday","Thursday", "Friday", "Saturday");
    var aMonths=new Array("January","February","March","April","May", "June", "July", "August", "September", "October", "November", "December");

    var days = now.getDay();
    var date = now.getDate();
    var month = now.getMonth();
    var year = now.getFullYear();
    var hours = now.getHours();
    var minutes = now.getMinutes();
    var seconds = now.getSeconds();

    var am_pm_text = '';
    (hours >= 12) ? am_pm_text = " P.M." : am_pm_text = " A.M.";

    if (el.timeNotation == '12h') {
      hours = ((hours > 12) ? hours - 12 : hours);
    } else if (el.timeNotation == '12hh') {
      hours = ((hours > 12) ? hours - 12 : hours);
      hours   = ((hours <  10) ? "0" : "") + hours;
    } else {
      hours   = ((hours <  10) ? "0" : "") + hours;
    }

    minutes = ((minutes <  10) ? "0" : "") + minutes;
    seconds = ((seconds <  10) ? "0" : "") + seconds;

    var timeNow = aDays[days] +", " +aMonths[month] + " " + date + ", " +year + " | " + hours + ":" + minutes + ":" + seconds;
    if ( (el.timeNotation == '12h' || el.timeNotation == '12hh') && (el.am_pm == true) ) {
     timeNow += am_pm_text;
    }

    return timeNow;
  };

  $.fn.jclock.defaults = {
    timeNotation: '24h',
    am_pm: false,
    utc: false,
    fontFamily: '',
    fontSize: '',
    foreground: '',
    background: '',
    utc_offset: 0
  };

})(jQuery);