function slideSwitch() {
     var $active = $('#slideshow img.active');

     if ( $active.length == 0 ) $active = $('#slideshow img:last');

     var $next =  $active.next().length ? $active.next()
          : $('#slideshow img:first');

     $active.addClass('last-active');

     $next.css({opacity: 0.0})
          .addClass('active')
          .animate({opacity: 1.0}, 1000, function() {
               $active.removeClass('active last-active');
          });
}

jQuery(document).ready(function(){	

$(function() {
     setInterval( "slideSwitch()", 3000 );
});

$("#navigation li a.air-conditioning-a").hover(function() {
	$(".subnav").stop(true, true).fadeToggle('fast'); },
	function() {
	$(".subnav").stop(true, true).fadeToggle('fast');
});

$(".subnav").hover(function() {
$(this).stop(true, true).show(); },
function() {
$(this).stop(true,true).fadeOut('fast');

});
						
});