-<select name="jobs[{$id}][subSector]" {if ($change)}onchange="updateJobSubSector({$id}, '')"{/if}>
- <option value="0"></option>
+<select name="jobs[{$id}][subSector]" {if ($change)}onchange="updateJobSubSector({$id}, ''); emptyJobAlternates({$id});"{/if}>
+ <option value="0"> </option>