Adding a link to wp-login.php via jQuery

custom-login.js

jQuery( document ).ready(function( $ ) {
    var href = $("#nav a").attr("href");
    var html = '<a href="'+ href +'">First login?</a> - ';
    $( "#nav" ).prepend( html );
} );

functions.php

function custom_login() { 
    echo '<script type="text/javascript" src="'.get_bloginfo( 'url' ).'/wp-includes/js/jquery/jquery.js?ver=1.7.1"></script>';
    echo '<script type="text/javascript" src="'.get_bloginfo( 'stylesheet_directory' ).'/assets/js/custom-login.js" /></script>';
}

add_action( 'login_head' , 'custom_login' );