Modify max/min versions of select values

tnew.js

$(function() {
  // Make sure jquery is loaded.
  
  // the title of the selectlist = the Tessitura price type.
  
  $('select[title=44] option').filter(function() {
    return $(this).val() < 10;
  }).remove();
  
  $('select[title=44] option').filter(function() {
    return $(this).val() > 20;
  }).remove();

});