/* =========================================================

	スライドショー

　http://phpjavascriptroom.com/?t=ajax&p=jquery_plugin_imagegallery#a_a-simple-jquery-slideshow

========================================================= */

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');
	});
}

$(function() {
	setInterval( "slideSwitch()", 4000 );
});