jQuery(document).ready(function() {
    jQuery('.knowledge-base-title').click(function() {
        if(jQuery('.knowledge-base-title').hasClass('knowledge-base-title-expanded')) {
            jQuery('.knowledge-base-title').removeClass('knowledge-base-title-expanded');
            jQuery('.knowledge-base-search').slideUp(200);
        }
        else {
            jQuery('.knowledge-base-title').addClass('knowledge-base-title-expanded');
            jQuery('.knowledge-base-search').slideDown(200);
        }
    });
});