pfSense

			var attr = $(select).attr('disabled');

			// Don't do anything if the mask selector is disabled

			if (typeof attr === typeof undefined || attr === false) {

				// Eat all of the options with a value greater than max. We don't want them to be available

				while (select.options[0].value > max)

					select.remove(0);

				if (select.options.length < max) {

					for (var i=select.options.length; i<=max; i++)

						select.options.add(new Option(i, i), 0);

					// Make sure index 0 is selected otherwise it will stay in "32" for V6

					select.options.selectedIndex = "0";

				}