When using the LB Balancer manager, if you disabled

a member, then clicked on another member and/or
itself again, the member would be re-enabled. This
was due to the form being "submitted" and
'dw' being null (observed with Safari). Anyway,
moving to a radio makes it explicit.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@232314 13f79535-47bb-0310-9956-ffa450edef68