function slideSwitchHome() {

    var $active = $('#photo #slider li.active');

    if ($active.length == 0) $active = $('#photo #slider li:last');
    var $next = $active.next().length ? $active.next() : $('#photo #slider li:first');

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

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

$(document).ready(function(){
	
	if ( $('#photo #slider li').size() > 1 ) {
		$('#photo ul#slider li').css('opacity', 0);
		slideSwitchHome();
		setInterval('slideSwitchHome()', 4000);
	}
	
});