rfe #2838080 [interface] Show warning when javascript is disabled.

main.php

@@ -330,6 +330,15 @@ if ($server > 0) {
     } // end if
 }
 
+/**
+ * Show warning when javascript support is missing.
+ */
+echo '<noscript>';
+$message = PMA_Message::notice('strJavascriptDisabled');
+$message->isError(true);
+$message->display();
+echo '</noscript>';
+
 /**
  * Warning about different MySQL library and server version
  * (a difference on the third digit does not count).