Running javascript from php program causes failure on Firefox etc

Advanced Browser Check 4.4.1

Running the below scripts causes the advanced browser plugin to fail.

This is the php program:-
function nbl_login_script() {
$a = “”;
$b = “”;
if(is_user_logged_in())
{
$b = do_shortcode(“[wpmem_field field=’display_name’]”);
$a = “Welcome “. $b . ““;
} else {
$a = “1Login” ;
}
?>
<script>
var nblLogin_passed = “<?php echo $a; ?>”;
</script>
<?php
wp_register_script(‘nblLogin’, get_stylesheet_directory_uri() . ‘/js/nblLogin.js’, array(‘jquery’), ‘1.1’, true);
wp_enqueue_script(‘nblLogin’);
}
add_action( ‘wp_enqueue_scripts’, ‘nbl_login_script’);

This is the Javascript:-
function nblLogin() {
document.getElementById(“nb-login-display”).innerHTML = nblLogin_passed;
}

jQuery (document).ready (function () {
nblLogin(”);
});

This is the html it deals with in the Avada header contact field.
<div id=”nb-login-display”>Login</div>

It would be nice to have a fix for it. ??

Bill