if( !is_admin() && is_single() ) {
function single_scripts() {
wp_deregister_script( 'jquery' );
wp_deregister_script( 'wpuf' );
wp_register_script( 'jquery', get_bloginfo('stylesheet_directory').'/libs/jquery-1.6.1.min.js' );
wp_enqueue_script( 'jquery' );
wp_register_script( 'jquery-single', get_bloginfo('stylesheet_directory').'/libs/jquery.single.min.js' );
wp_enqueue_script( 'jquery-single' );
wp_register_script('global-js', get_bloginfo('stylesheet_directory').'/libs/global.js');
wp_enqueue_script( 'global-js' );