function bootstrap() { parent::bootstrap(); $this->main->attributes['onfocus'] .= "editor_text_ean13_focus(\$i('" . js_escape($this->id_gen()) . "'),this,'" . js_escape($this->keys['-id']) . "');"; $this->main->attributes['onblur'] .= "editor_text_ean13_blur(\$i('" . js_escape($this->id_gen()) . "'),this,'" . js_escape($this->keys['-id']) . "');"; }