function my_load_scripts() {
wp_register_script( 'somescript.js', get_bloginfo( 'stylesheet_directory' ). '/supersized/js/homescript.js', array( 'jquery' ), true);
wp_register_script( 'someotherscript.js', get_bloginfo( 'stylesheet_directory' ). '/supersized/js/homescript.js', array( 'jquery' ), true);
wp_register_script( 'yetanotherscript.js', get_bloginfo( 'stylesheet_directory' ). '/supersized/js/homescript.js', array( 'jquery' ), true);
wp_register_script( 'defaultscript.js', get_bloginfo( 'stylesheet_directory' ). '/supersized/js/defaultscript.js', array( 'jquery' ), true);

if (is_page('1') ) {
  wp_enqueue_script( 'somescript.js' );
}
elseif(is_page ('15' ) ) {
    wp_enqueue_script( 'defaultscript.js' );
}
elseif(is_page ('195' ) ) {
    wp_enqueue_script( 'yetanotherscript.js' );
} else { wp_enqueue_script( 'defaultscript.js' );  }
}
add_action( 'init', 'my_load_scripts' );