Enqueue jQuery UI selectmenu

//http://wordpress.stackexchange.com/questions/64062/cannot-enqueue-jquery-correctly-using-google-cdn
//http://codex.wordpress.org/Function_Reference/wp_enqueue_script#Load_a_default_WordPress_script_from_a_non-default_location

function my_scripts_method() {
    wp_deregister_script( 'jquery' );
    wp_register_script( 'jquery', 'http://ajax.googleapis.com/ajax/libs/jquery/1.8.12/jquery.min.js');
    wp_enqueue_script( 'jquery' );
    wp_enqueue_style( 'uicss', '(path_ to_script_location)/my-custom-style.css' );
    wp_enqueue_script( 'uisel', 'http://jquery-ui.googlecode.com/svn/branches/labs/selectmenu/ui.selectmenu.js' );
    wp_enqueue_style( 'uicss2', 'http://jquery-ui.googlecode.com/svn/branches/labs/selectmenu/ui.selectmenu.css' );
    wp_enqueue_script( 'uiease', '(path_ to_script_location)/jquery.easing.1.3.js' );
}

//add_action('wp_enqueue_scripts', 'my_scripts_method'); // selectmenu would not work targeting wp_enqueue_scripts
add_action('wp_head', 'my_scripts_method');