var $$ = $.fn;

$$.extend({
  SplitID : function()
  {
    return this.attr('id').split('-').pop();
  },

  Slideshow : {
    Ready : function()
    {
      $('div.slide-control')
       .click(
          function() {
            $$.Slideshow.Interrupted = true;

            $('div.home-slide').hide();
            $('div.portfolio-slide').hide();
            $('div.slide-control').removeClass('current');

            $('div#slide-' + $(this).SplitID()).show();
            $(this).addClass('current');
            $('div#slide-' + $(this).SplitID()).fadeIn(1000);
          }
        );

      this.Counter = 1;
      this.Interrupted = false;

      this.Transition();
    },

    Transition : function()
    {
      if (this.Interrupted) {
        return;
      }

      this.Last = this.Counter - 1;

      if (this.Last < 1) {
        this.Last = 4;
      }
      
      for (var i = 1; i < 5; i++) {
        $('div#slide-' + i).css('display', 'none');
      }

      $('div#slide-control-' + $$.Slideshow.Last).removeClass('current');
      $('div#slide-control-' + $$.Slideshow.Counter).addClass('current');
      $('div#slide-' + this.Last).css('display', 'block').css('zIndex', '0');
      $('div#slide-' + $$.Slideshow.Counter).css('zIndex','1').fadeIn(1000);
      
      $$.Slideshow.Counter++;

      if ($$.Slideshow.Counter > 4) {
         $$.Slideshow.Counter = 1;
      }

      setTimeout('$$.Slideshow.Transition();', 5000);
    }
  }
});

$(document).ready(
  function() {
    $$.Slideshow.Ready();
  }
);