<script type="text/javascript">
    $(document).ready(function()
    {
	  var CHOOSE_SELECT=document.getElementById('choose_duty_team').value;
      // Переход на страницу с передачей значений
      $('#sort_btn').on('click', function () {
        window.location.replace(local + "?CHOOSE_SELECT="+document.chooser.duty_team.value+"&else="+CHOOSE_SELECT);
      })
    });	  
</script>

document.getElementById('choose_duty_team').value;

window.location.replace(local + "?CHOOSE_SELECT="+document.chooser.duty_team.value+"&else="+CHOOSE_SELECT);