$(document).ready(function(){
	// slideshow		
	if($("#headerBanner img").size() > 1){
		setInterval("slideSwitch()", 5000);
	}
	
	$("div.sekcja").mouseover(function(){
		var id = $("#site > div.sekcja").index(this);
		$("div.submenu").hide();
		$("div.submenu").eq(id).css({display: "block", opacity: "0", marginTop: "5px"}).animate({
			opacity: "1.0",
			marginTop: "35px"
		}, 300 );
	});
	
	$("div.submenu").mouseover(function(){
		$(this).stop().css({display: "block", opacity: "1.0", marginTop: "35px"});
	});
});


function slideSwitch() {
    var $active = $('#headerBanner img.active');

    if ( $active.length == 0 ) $active = $('#headerBanner img:last');

    var $next =  $active.next().length ? $active.next()
        : $('#headerBanner img:first');

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

    $next.css({opacity: 0.0})
        .addClass('active')
        .animate({opacity: 1.0}, 1000, function() {
            $active.removeClass('active last-active');
        });
}