Loading JS

// get scripts
add_action('wp_enqueue_scripts','my_theme_scripts_function');

function my_theme_scripts_function() {
    global $options;

    wp_deregister_script('jquery');
        wp_register_script('jquery', ("https://ajax.googleapis.com/ajax/libs/jquery/1.6.2/jquery.min.js"), false, '1.6.2');
    wp_enqueue_script('jquery');

    //js for all pages
    wp_enqueue_script('custom', get_template_directory_uri() . '/js/custom.js');
    wp_enqueue_script('tipsy', get_template_directory_uri() . '/js/jquery.tipsy.js');
    wp_enqueue_script('superfish', get_template_directory_uri() . '/js/superfish.js');
    wp_enqueue_script('slides', get_template_directory_uri() . '/js/slides.min.jquery.js');
    wp_enqueue_script('easing', get_template_directory_uri() . '/js/jquery.easing.1.3.js');

    //portfolio page and category js
    if(is_page_template('template-portfolio.php') || is_tax('portfolio_cats') ) {
        wp_enqueue_script('portfolio', get_template_directory_uri() . '/js/portfolio.js');
    }

    //single portfolio js
    if(('portfolio' == get_post_type()) ) {
        wp_enqueue_script('image_preview', get_template_directory_uri() . '/js/image-preview.js');
        wp_enqueue_script('jplayer', get_template_directory_uri() . '/js/jquery.jplayer.min.js');
    }

    //homepage js
    if(is_front_page()) {
        if($options['disable_home_slider'] != 'disable') {
            wp_enqueue_script('nivoSlider', get_template_directory_uri() . '/js/jquery.nivo.slider.pack.js');
        }
        wp_enqueue_script('jplayer', get_template_directory_uri() . '/js/jquery.jplayer.min.js');
        wp_enqueue_script('elegantcarousel', get_template_directory_uri() . '/js/jquery.elegantcarousel.min.js');
        wp_enqueue_script('home-portfolio', get_template_directory_uri() . '/js/home-portfolio.js');
    }

}