$(document).ready(function(){
			$("#slide-show ul li:first").addClass("active");						 
							 });

function slideSwitch() {

	var $active = $('#slide-show ul li.active');
	if ( $active.length == 0 ) $active = $('#slide-show ul li:last');
	var $next =  $active.next().length ? $active.next()
		: $('#slide-show ul li: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()", 7000 );
});