(function ($) {
$.fn.fadeTransition = function(options) {
  var options = $.extend({pauseTime: 7000, transitionTime: 1000, ignore: null, delayStart: 0, pauseNavigation: false}, options);
  var transitionObject;

  Trans = function(obj) {
    var timer = null;
    var current = 0;
    var els = (options.ignore)?$("> *:not(" + options.ignore + ")", obj):$("> *", obj);
    $(obj).css("position", "relative");
    els.css("display", "none").css("left", "0").css("top", "0").css("position", "absolute");
    
    if (options.delayStart > 0) {
      setTimeout(showFirst, options.delayStart);
    }
    else
      showFirst();

    function showFirst() {
      if (options.ignore) {
        $(options.ignore, obj).fadeOut(options.transitionTime);
        $(els[current]).fadeIn(options.transitionTime);
      }
      else {
        $(els[current]).css("display", "block");
      }
    }

    function transition(next) {
      $(els[current]).fadeOut(options.transitionTime);
      $(els[next]).fadeIn(options.transitionTime);
      current = next;
      cue();
    };

    function cue() {
      if ($("> *", obj).length < 2) return false;
      if (timer) clearTimeout(timer);
      if (!options.pauseNavigation) {
        timer = setTimeout(function() { transition((current + 1) % els.length | 0)} , options.pauseTime);
      }
    };
    
    this.showItem = function(item) {
      if (timer) clearTimeout(timer);
      transition(item);
    };

    cue();
  }

  this.showItem = function(item) {
    transitionObject.showItem(item);
  };

  return this.each(function() {
    transitionObject = new Trans(this);
  });
}

})(jQuery);

var page = {
tr: null,
init: function() {
  page.tr = $(".area").fadeTransition({pauseTime: 7000, transitionTime: 1000, ignore: "#introslide", delayStart: 0});
  $("div.navigation").each(function() {
    $(this).children().each( function(idx) {
      if ($(this).is("a"))
        $(this).click(function() { page.tr.showItem(idx); return false; })
    });
  });
},

show: function(idx) {
  if (page.tr.timer) clearTimeout(page.tr.timer);
  page.tr.showItem(idx);
}
};

$(document).ready(page.init);