+package SL::InstallationCheck;
+
+use vars qw(@required_modules);
+
+@required_modules = (
+ { "name" => "Class::Accessor", "url" => "http://search.cpan.org/~kasei/" },
+ { "name" => "CGI", "url" => "http://search.cpan.org/~lds/" },
+ { "name" => "CGI::Ajax", "url" => "http://search.cpan.org/~bct/" },
+ { "name" => "DBI", "url" => "http://search.cpan.org/~timb/" },
+ { "name" => "DBD::Pg", "url" => "http://search.cpan.org/~dbdpg/" },
+ { "name" => "HTML::Template", "url" => "http://search.cpan.org/~samtregar/" },
+ { "name" => "Archive::Zip", "url" => "http://search.cpan.org/~adamk/" },
+ { "name" => "Text::Iconv", "url" => "http://search.cpan.org/~mpiotr/" },
+ { "name" => "Klaus", "url" => "http://dum.my/" },
+ );
+
+sub module_available {
+ my ($module) = @_;
+
+ if (!defined(eval("require $module;"))) {
+ return 0;
+ } else {
+ return 1;
+ }
+}
+
+sub test_all_modules {
+ my @missing_modules;
+
+ map({ push(@missing_modules, $_) unless (module_available($_)); }
+ @required_modules);
+
+ return @missing_modules;
+}
+
+1;