Untitled

Change selected option using href action
<select class="select" name="users" id="users">
        <#list users as user>
<option value="${user.id}">${user.firstName}</option>
    </#list>
</select>
     <a href="#">select current user</a>

<a href="#"
 onclick="document.getElementById('users').value='$(currentUser.id}';
 return false">select current user</a>

<script type="text/javascript">
function selectUser(val) {
  var users = document.forms[0].users;
  for (var i=0;i<users.length;i++) {
    if (users[i].text === val) {
      users[i].selected=true;
      break
    }
  }
  return false
}
</script>
<a href="#" id="${currentUser.id}"
 onclick="return selectUser(this.id)" >select current user</a>