Custom flags in WPML (functions.php)

custom-flags.php

function language_selector_flags(){
    $languages = icl_get_languages('skip_missing=0&orderby=code');
    if(!empty($languages)){

    foreach($languages as $l){
        if(!$l['active']) echo '<a href="'.$l['url'].'">';
        echo '<img src="'.get_bloginfo('stylesheet_directory').'/img/'.$l['code'].'.jpg" height="28" alt="'.$l['language_code'].'" width="28" />';
        if(!$l['active']) echo '</a>';
        }
    }
}