/**
 * seo4.net slideshow
 */
var $slidePeriod = 5000

function slideSwitch() {
    var $active = $('#slideshow li.active');
    if ( $active.length == 0 ) $active = $('#slideshow li:last');
    var $next =  $active.next().length ? $active.next() : $('#slideshow li:first');	
	var $opacityPeriod = parseInt($slidePeriod/5);
    $active.addClass('last-active');
    $next.css({opacity: 0.0})
        .addClass('active')
        .animate({opacity: 1.0}, $opacityPeriod, function() {
            $active.removeClass('active last-active');
        });
}
$(function() {
	$('#slideshow li:first').addClass('active');	
	setInterval("slideSwitch()", $slidePeriod );
});