rename JavaScript file according it's use

index.php

@@ -113,7 +113,7 @@ header('Content-Type: text/html; charset=' . $GLOBALS['charset']);
     content="text/html; charset=<?php echo $GLOBALS['charset']; ?>" />
 <script type="text/javascript">
 // <![CDATA[
-    // definitions used in querywindow.js
+    // definitions used in common.js
     var common_query = '<?php echo PMA_escapeJsString(PMA_generate_common_url('', '', '&'));?>';
     var opendb_url = '<?php echo PMA_escapeJsString($GLOBALS['cfg']['DefaultTabDatabase']); ?>';
     var safari_browser = <?php echo PMA_USR_BROWSER_AGENT == 'SAFARI' ? 'true' : 'false' ?>;
@@ -155,7 +155,7 @@ header('Content-Type: text/html; charset=' . $GLOBALS['charset']);
     };
 // ]]>
 </script>
-<script src="./js/querywindow.js" type="text/javascript"></script>
+<script src="./js/common.js" type="text/javascript"></script>
 </head>
 <frameset cols="<?php
 if ($GLOBALS['text_dir'] === 'rtl') {

js/common.js

@@ -1,6 +1,6 @@
 /* vim: set expandtab sw=4 ts=4 sts=4: */
 /**
- * functions used by and for querywindow
+ * common functions used for communicating between main, navigation and querywindow
  *
  * @version $Id$
  */