+$protocol = (bool)is_ssl() ? 'https' : 'http';
+
+if ( !empty($cfg['web_root']) ) {
+ $cfg['web_root'] = preg_replace('#https?://#', $protocol . '://', $cfg['web_root'], 1);
+}
+
+/* Avoids irritating errors with the installer (no conf file is present then). */
+if (!isset ($cfg['web_root']))
+ $web_root = $protocol+'://' . $_SERVER['HTTP_HOST'] . '/';
+else
+ $web_root = $cfg['web_root'];
+
+if (!isset ($cfg['style']))
+ $style = 'default';
+else
+ $style = $cfg['style'];
+
+