#$agentnum, # = $cgi->param('agentnum'),
$agentnum ||= $cgi->param('agentnum');
$init_popstate = $cgi->param('init_popstate');
#$agentnum, # = $cgi->param('agentnum'),
$agentnum ||= $cgi->param('agentnum');
$init_popstate = $cgi->param('init_popstate');