functions

<?php

    // Enable custom menu
     add_theme_support('menus');


    add_action( 'widgets_init', 'my_register_sidebars' );
    if ( function_exists('register_sidebar') ) {

        //instagram
        register_sidebar(
                         array(
                               'id' => 'Instagram',
                               'name' => __( 'instagram' ),
                               'description' => __( 'instagram widget.' ),
                               'before_widget' => '<div id="%1$s" class="instagram %2$s">',
                               'after_widget' => '</div>',
                               'before_title' => '<h4>',
                               'after_title' => '</h4>'
                               )
                         );

        //main
        register_sidebar(
                         array(
                               'id' => 'main',
                               'name' => __( 'main' ),
                               'description' => __( 'Main sidebar' ),
                               'before_widget' => '<div id="%1$s" class="main %2$s">',
                               'after_widget' => '</div>',
                               'before_title' => '<h4>',
                               'after_title' => '</h4>'
                               )
                         );
        //news
        register_sidebar(
                         array(
                               'id' => 'news',
                               'name' => __( 'news' ),
                               'description' => __( 'News sidebar' ),
                               'before_widget' => '<div id="%1$s" class="news %2$s">',
                               'after_widget' => '</div>',
                               'before_title' => '<h4>',
                               'after_title' => '</h4>'
                               )
                         );

    }

    //Pagination on blog pages

    function current_paged( $var = '' ) {
        if( empty( $var ) ) {
            global $wp_query;
            if( !isset( $wp_query->max_num_pages ) )
                return;
            $pages = $wp_query->max_num_pages;
        }
        else {
            global $$var;
            if( !is_a( $$var, 'WP_Query' ) )
                return;
            if( !isset( $$var->max_num_pages ) || !isset( $$var ) )
                return;
            $pages = absint( $$var->max_num_pages );
        }
        if( $pages < 1 )
            return;
        $page = get_query_var( 'paged' ) ? get_query_var( 'paged' ) : 1;
        echo 'Page ' . $page . ' of ' . $pages;
    }

    //custom post type slide

    add_action('init', 'slide_init');
    function slide_init() {
        $labels = array(
                        'name' => _x('Slides', 'post type general name'),
                        'singular_name' => _x('Slide', 'post type singular name'),
                        'add_new' => _x('Add New', 'slide'),
                        'add_new_item' => __('Add New Slide'),
                        'edit_item' => __('Edit Slide'),
                        'new_item' => __('New Slide'),
                        'view_item' => __('View Slide'),
                        'search_items' => __('Search Slides'),
                        'not_found' => __('No slides found'),
                        'not_found_in_trash' => __('No slides found in Trash'),
                        'parent_item_colon' => '',
                        'menu_name' => 'Slides'
                        );
        $args = array(
                      'labels' => $labels,
                      'public' => true,
                      'publicly_queryable' => true,
                      'show_ui' => true,
                      'show_in_menu' => true,
                      'query_var' => true,
                      'rewrite' => true,
                      'capability_type' => 'post',
                      'has_archive' => true,
                      'hierarchical' => false,
                      'menu_position' => null,
                      'supports' => array('title', 'editor', 'thumbnail')
                      );
        register_post_type('slide', $args);
    }

    // Update Slide Messages
    add_filter('post_updated_messages', 'slide_updated_messages');
    function slide_updated_messages($messages) {
        global $post, $post_ID;
        $messages['slide'] = array(
                                   0 => '',
                                   1 => sprintf(__('Slide updated.'), esc_url(get_permalink($post_ID))),
                                   2 => __('Custom field updated.'),
                                   3 => __('Custom field deleted.'),
                                   4 => __('Slide updated.'),
                                   5 => isset($_GET['revision']) ? sprintf(__('Slide restored to revision from %s'), wp_post_revision_title((int) $_GET['revision'], false)) : false,
                                   6 => sprintf(__('Slide published.'), esc_url(get_permalink($post_ID))),
                                   7 => __('Slide saved.'),
                                   8 => sprintf(__('Slide submitted.'), esc_url(add_query_arg('preview', 'true', get_permalink($post_ID)))),
                                   9 => sprintf(__('Slide scheduled for: <strong>%1$s</strong>. '), date_i18n(__('M j, Y @ G:i'), strtotime($post->post_date)), esc_url(get_permalink($post_ID))),
                                   10 => sprintf(__('Slide draft updated.'), esc_url(add_query_arg('preview', 'true', get_permalink($post_ID)))),
                                   );
        return $messages;
    }

    // Update Slide Help
    add_action('contextual_help', 'slide_help_text', 10, 3);
    function slide_help_text($contextual_help, $screen_id, $screen) {
        if ('slide' == $screen->id) {
            $contextual_help =
            '<p>' . __('Things to remember when adding a slide:') . '</p>' .
            '<ul>' .
            '<li>' . __('Give the slide a title. The title will be used as the slide\'s headline.') . '</li>' .
            '<li>' . __('Attach a Featured Image to give the slide its background.') . '</li>' .
            '<li>' . __('Enter text into the Visual or HTML area. The text will appear within each slide during transitions.') . '</li>' .
            '</ul>';
        }
        elseif ('edit-slide' == $screen->id) {
            $contextual_help = '<p>' . __('A list of all slides appears below. To edit a slide, click on the slide\'s title.') . '</p>';
        }
        return $contextual_help;
    }

    if (function_exists('add_theme_support')) {
        add_theme_support('post-thumbnails');
    }

    //load flexslider js
    function flexslider_js() {
        wp_register_script( 'jquery.flexslider-min', get_template_directory_uri() . '/js/jquery.flexslider-min.js', array('jquery'), '', true  );
    }
    add_action( 'wp_enqueue_scripts', 'flexslider_js' );


    ?>