$(document).ready(function() {
  
  //----- Homepage slideshow initialiseren -----//
  if($('#slideshow').length != 0) setInterval( "slideSwitch()", 7000 );
  
});

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

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

	$next.css({opacity: 0.0})
		.addClass('active')
		.animate({opacity: 1.0}, 1500, function() {
			$active.removeClass('active last-active');
		});
}