module1
.....
..... <some code>
sub passMe{
my @data=();
push(@data,
            {
        %params,
        %extend_params,
        %basics,
        %annotations,
        %navigator,
        position    => 'annotations',    
        sid         => $sid,
        navigator_link      => '<a id="expand_nav" onclick="Element.hide(\'expand_nav\');">[brief]</a>',
        annotations_detail_link => q|[<a id="sed" onclick="Element.hide('sed'); Element.show('hed'); show_experiment_details();"> experiment details</a>]|,
        template => $tmpl
    });
	
	return \@data, $ID;
}

module2

sub report {
my ($aa, $bb)= &passMe;
while ( my ($key, $val) = each( %{$aa}) ) {
      while ( my ($key1, $value) = each(%{$key}) ) {
        print "$key1 =>   $value\n";
		}
    }
}