$().ready(function() {
	$('#presentation').css({opacity: 0.0});
	$('#presentation').animate({opacity: 1.0}, 1000);
	$('.slideshow a').addClass('js');
	$(function() {
		setInterval( "slideSwitch()", 5000 );
	});
});
function slideSwitch() {
	var $active = $('.slideshow .active');

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

		//var $sibs  = $active.siblings();
		//var rndNum = Math.floor(Math.random() * $sibs.length );
		//var $next  = $( $sibs[ rndNum ] );
		var $next = $active.next();
		if($next.html() == null){
			//alert("in here...");
			$next = $('.slideshow a:first-child');
		}

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

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