dataroot/lang/$lang") or file_exists("$CFG->dirroot/lang/$lang")) {
$SESSION->lang = $lang;
} else if (file_exists("$CFG->dataroot/lang/{$lang}_utf8") or file_exists("$CFG->dirroot/lang/{$lang}_utf8")) {
$SESSION->lang = $lang.'_utf8';
}
$lang = str_replace('_utf8', '', $lang);
$langmapping = array('cs'=>'cz', 'pt_br'=>'pt-br');
// fix non-standard lang names
if (array_key_exists($lang, $langmapping)) {
$lang = $langmapping[$lang];
}
if (!file_exists("$CFG->dirroot/lib/dragmath/applet/lang/$lang.xml")) {
$lang = 'en';
}
@header('Content-Type: text/html; charset=utf-8');
?>
<?php print_string('dragmath:dragmath_title', 'editor_tinymce')?>