Class bug in select field

/popup_trexpr.php - Trigger expression condition
"selectShorten" - duplicates in function select field

<select id="expr_type" class="input select selectShorten selectShorten selectShorten selectShorten selectShorten selectShorten selectShorten selectShorten selectShorten selectShorten selectShorten selectShorten selectShorten selectShorten selectShorten selectShorten selectShorten selectShorten selectShorten selectShorten selectShorten selectShorten selectShorten selectShorten selectShorten selectShorten selectShorten selectShorten selectShorten selectShorten selectShorten selectShorten selectShorten selectShorten" style="width: 373px;" onchange="submit()" size="1" name="expr_type">