var INIT_IMG_DISPLAY_TIME = 4500;

function init()
{
   if ($('#hm_intro_img').length) {
     setTimeout("init_slideshow()", INIT_IMG_DISPLAY_TIME);
   } else {
     blend_em();
   }
}

function init_slideshow()
{
  $('#hm_intro_img').fadeOut(2500);
  setTimeout("blend_em()", 1000);
}

function blend_em()
{
   setTimeout("blend_it(1)", 3000);
   setTimeout("blend_it(2)", 6000);
   setTimeout("blend_it(3)", 9000);
   setTimeout("blend_em()", 9000);
}

function blend_it(img_num) 
{
   var td_id  = "hm_pic" + img_num;

   var $active = $('#' + td_id + ' img.active');
   if ($active.length == 0) {
      $active = $('#' + td_id + ' img:last');
   }
   var $next = $active.next().length ? $active.next() : $('#' + td_id + ' img:first');
   $active.addClass('last-active');

   $next.css({opacity: 0.0})
      .addClass('active')
      .animate({opacity: 1.0}, 2000, function() {
        $active.removeClass('active last-active');
      });
}