/*
	 * jQuery jclock - Clock plugin - v 1.2.0
	 * http://plugins.jquery.com/project/jclock
	 *
	 * Copyright (c) 2007-2008 Doug Sparling <http://www.dougsparling.com>
	 * Licensed under the MIT License:
	 *   http://www.opensource.org/licenses/mit-license.php
	 */
	(function($) {
	
	  $.fn.jclock = function(options) {
	    var version = '1.2.0';
	
	    // options
	    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;
	
	    if(el.utc == true) {
	      var localTime = now.getTime();
	      var localOffset = now.getTimezoneOffset() * 60000;
	      var utc = localTime + localOffset;
	      var utcTime = utc + (3600000 * el.utc_offset);
	      now = new Date(utcTime);
	    }
	    hours = now.getHours();
	    minutes = now.getMinutes();
	    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 = hours + ":" + minutes + ":" + seconds;
	    if ( (el.timeNotation == '12h' || el.timeNotation == '12hh') && (el.am_pm == true) ) {
	     timeNow += am_pm_text;
	    }
	
	    return timeNow;
	  };
	       
	  // plugin defaults
	  $.fn.jclock.defaults = {
	    timeNotation: '24h',
	    am_pm: false,
	    utc: false,
	    fontFamily: '',
	    fontSize: '',
	    foreground: '',
	    background: '',
	    utc_offset: 0
	  };
	
	})(jQuery);