Problem with menu when using zTranslate plugin

Hi guys,

I use zTranslate plugin (same as qTranslate) and faced with a problem.
I try to prevent reverting to the default language when I click on “home” in menu and it actually works (exept when I click on the logo), but this code disables menu items underline.
No underline:

Should be like this:

This is the code I insert into functions.php of the child theme:

// Fix for zTranslate plugin and "Home" menu link reverting back to default language
if (function_exists('ztrans_convertURL')) {
function ztrans_in_nav_el($output, $item, $depth, $args) {
$attributes = !empty($item->attr_title) ? ' title="' . esc_attr($item->attr_title) . '"' : '';
$attributes .=!empty($item->target) ? ' target="' . esc_attr($item->target) . '"' : '';
$attributes .=!empty($item->xfn) ? ' rel="' . esc_attr($item->xfn) . '"' : '';
// Integration with zTranslate Plugin
$attributes .=!empty($item->url) ? ' href="' . esc_attr( ztrans_convertURL($item->url) ) . '"' : '';
$output = $args->before;
$output .= '<a' . $attributes . '>';
$output .= $args->link_before . apply_filters('the_title', $item->title, $item->ID) . $args->link_after;
$output .= '</a>';
$output .= $args->after;
return $output;
}
add_filter('walker_nav_menu_start_el', 'ztrans_in_nav_el', 10, 4);
}

Do you know what damages the underline?

I also tried to insert this code into helper-main-menu.php:
<a href="<?php bloginfo('url'); ?>"><?php _e('[:en]Home[:ru]Начало'); ?></a>
Instead of this one:
<a href="http://dubinchuk.com"><?php _e('[:en]Home[:ru]Начало'); ?></a>
The underlines don’t disappear. When I use the second language and click on the “home” in menu everything is fine, but when I click on the logo, this page opens – http://dubinchuk.com/en/en (this page doesn’t exist because of the additional “/en”