$(document).ready(function() {
    /* drop down menija */
    $("#navigation li").each(function() {
        var $podmeni = $(this).find('ul:first');
        $(this).hover(function() {
            $podmeni.stop().css({
                overflow: "hidden",
                height: "auto",
                display: "none"
            }).slideDown(400,
            function() {
                $(this).css({
                    overflow: "visible",
                    height: "auto"
                });
            });
        },
        function() {
            $podmeni.stop().slideUp(400,
            function() {
                $(this).css({
                    overflow: "hidden",
                    display: "none"
                });
                $('#navigation li').removeClass('hover');
            });
        });
    });
});