<%= $cgi->param('showdisabled')
? do { $cgi->param('showdisabled', 0);
'( <a href="'. $cgi->self_url. '">hide disabled services</a> )'; }
<%= $cgi->param('showdisabled')
? do { $cgi->param('showdisabled', 0);
'( <a href="'. $cgi->self_url. '">hide disabled services</a> )'; }