ajax and SSL

<?php
            function get_js_vars() {
                if (is_ssl()) {
                        $schema_ssl = 'https';
                } else {
                        $schema_ssl = 'http';
                }
                return array(
                    'Ajax_Url' => admin_url('admin-ajax.php', $schema_ssl),
                    'LOCATION' => 'admin'
                );
            } //end get_js_vars
?>