$(document).ready( function() {
	// Lightbox
	$('a[@rel*=lightbox]').lightBox();

	// Init CSS Class
	$("#bg img:last-child").addClass("topPic");

	// Clock
	window.setInterval( function() {
		servertime++;
		if( (servertime % interval) == 0 ) nextPic();
	}, 1000 );
			
} );

function nextPic() {
	var alt = $("#bg img.topPic");
	var neu;

  if( alt.next().length ) {
    neu = alt.next();
	}
  else {
    neu = $("#bg img:first-child");
	}

  alt.addClass("middlePic");
  alt.removeClass("topPic");
  neu.css({opacity: 0.0});
  neu.addClass("topPic");

  neu.animate({opacity: 1.0}, 4000, function() {
		alt.removeClass("middlePic");
	} );
}