Invoice report criteria

for agent:	all <% foreach my $agent ( qsearch('agent', { disabled=>'' } ) ) { %> param('agentnum') == $agent->agentnum ? ' SELECTED' : '' %>><%= $agent->agent %> <% } %>
From:	m/d/y
To:	m/d/y
	Show only open invoices
	Show only the single most recent invoice per-customer