diff --git a/ChangeLog b/ChangeLog
index 3c61f618c..2f40732f2 100755
--- a/ChangeLog
+++ b/ChangeLog
@@ -5,6 +5,11 @@ phpMyAdmin - Changelog
 $Id$
 $Source$
 
+2001-01-07  Olivier Müller  <om@omnis.ch>
+	* db_details.php, libraries/functions.js: added possibility to
+	  (un)select all tables at once in the database dump part of the page.
+	  Thanks to Joachim Fornallaz <jf@omnis.ch> for the patch.
+
 2002-01-06  Marc Delisle  <lem9@users.sourceforge.net>
 	* libraries/display_tbl.lib.php3: typo thanks to
 	  yrtimd at users.sourceforge.net
diff --git a/db_details.php3 b/db_details.php3
index e696f96c3..1d04a8a58 100755
--- a/db_details.php3
+++ b/db_details.php3
@@ -605,7 +605,16 @@ if ($num_tables > 0) {
                 <input type="radio" name="what" value="data" />
                 <?php echo $strStrucData; ?><br />
                 <input type="radio" name="what" value="dataonly" />
-                <?php echo $strDataOnly . "\n"; ?>
+                <?php echo $strDataOnly . "\n"; ?><br />
+    <?php
+        if ($num_tables > 1) {
+    ?>
+                <a href="<?php echo $checkall_url; ?>&amp;checkall=1" onclick="javascript:setSelectOptions('db_dump','table_select[]',true); return false;"><?php echo $strCheckAll; ?></a>
+                &nbsp;/&nbsp;
+                <a href="<?php echo $checkall_url; ?>" onclick="javascript:setSelectOptions('db_dump','table_select[]',false); return false;"><?php echo $strUncheckAll; ?></a>
+    <?php
+        }  // end if
+    ?>
             </td>
         </tr>
         <tr>
diff --git a/libraries/functions.js b/libraries/functions.js
index 3318ba810..b29933df3 100644
--- a/libraries/functions.js
+++ b/libraries/functions.js
@@ -347,3 +347,25 @@ function setCheckboxes(the_form, do_check)
     return true;
 } // end of the 'setCheckboxes()' function
 
+
+/**
+  * Checks/unchecks all options of a <select> element
+  *
+  * @param   string   the form name
+  * @param   string   the element name
+  * @param   boolean  whether to check or to uncheck the element   
+  *
+  * @return  boolean  always true
+  */
+function setSelectOptions(the_form, the_select, do_check)
+{
+    var selectObject = document.forms[the_form].elements[the_select];
+    var selectCount  = selectObject.length; 
+  
+    for (var i = 0; i < selectCount; i++) {
+        selectObject.options[i].selected = do_check;
+    } // end for
+
+    return true;
+} // end of the 'setSelectOptions()' function
+