diff --git a/wp-admin/edit-category-form.php b/wp-admin/edit-category-form.php
index 63a5da754c..60368c2f0a 100644
--- a/wp-admin/edit-category-form.php
+++ b/wp-admin/edit-category-form.php
@@ -2,14 +2,14 @@
 if ( ! empty($cat_ID) ) {
 	$heading = __('Edit Category');
 	$submit_text = __('Edit Category');
-	$form = '<form name="editcat" id="editcat" method="post" action="categories.php">';
+	$form = '<form name="editcat" id="editcat" method="post" action="categories.php" class="validate">';
 	$action = 'editedcat';
 	$nonce_action = 'update-category_' . $cat_ID;
 	do_action('edit_category_form_pre', $category);
 } else {
 	$heading = __('Add Category');
 	$submit_text = __('Add Category');
-	$form = '<form name="addcat" id="addcat" method="post" action="categories.php" class="add:the-list:">';
+	$form = '<form name="addcat" id="addcat" method="post" action="categories.php" class="add:the-list: validate">';
 	$action = 'addcat';
 	$nonce_action = 'add-category';
 	do_action('add_category_form_pre', $category);
diff --git a/wp-admin/edit-link-category-form.php b/wp-admin/edit-link-category-form.php
index bba8dd1635..396550a9f8 100644
--- a/wp-admin/edit-link-category-form.php
+++ b/wp-admin/edit-link-category-form.php
@@ -2,14 +2,14 @@
 if ( ! empty($cat_ID) ) {
 	$heading = __('Edit Category');
 	$submit_text = __('Edit Category');
-	$form = '<form name="editcat" id="editcat" method="post" action="link-category.php">';
+	$form = '<form name="editcat" id="editcat" method="post" action="link-category.php" class="validate">';
 	$action = 'editedcat';
 	$nonce_action = 'update-link-category_' . $cat_ID;
 	do_action('edit_link_category_form_pre', $category);
 } else {
 	$heading = __('Add Category');
 	$submit_text = __('Add Category');
-	$form = '<form name="addcat" id="addcat" class="add:the-list:" method="post" action="link-category.php">';
+	$form = '<form name="addcat" id="addcat" class="add:the-list: validate" method="post" action="link-category.php">';
 	$action = 'addcat';
 	$nonce_action = 'add-link-category';
 	do_action('add_link_category_form_pre', $category);
diff --git a/wp-admin/edit-link-form.php b/wp-admin/edit-link-form.php
index a68c6da4ed..ebf6d0c414 100644
--- a/wp-admin/edit-link-form.php
+++ b/wp-admin/edit-link-form.php
@@ -2,12 +2,12 @@
 if ( ! empty($link_id) ) {
 	$heading = __('Edit Link');
 	$submit_text = __('Save Changes');
-	$form = '<form name="editlink" id="editlink" method="post" action="link.php">';
+	$form = '<form name="editlink" id="editlink" method="post" action="link.php" class="validate">';
 	$nonce_action = 'update-bookmark_' . $link_id;
 } else {
 	$heading = __('Add Link');
 	$submit_text = __('Add Link');
-	$form = '<form name="addlink" id="addlink" method="post" action="link.php">';
+	$form = '<form name="addlink" id="addlink" method="post" action="link.php" class="validate">';
 	$nonce_action = 'add-bookmark';
 }
 
diff --git a/wp-admin/edit-tag-form.php b/wp-admin/edit-tag-form.php
index c3a6665f92..b268f4da89 100644
--- a/wp-admin/edit-tag-form.php
+++ b/wp-admin/edit-tag-form.php
@@ -2,14 +2,14 @@
 if ( ! empty($tag_ID) ) {
 	$heading = __('Edit Tag');
 	$submit_text = __('Edit Tag');
-	$form = '<form name="edittag" id="edittag" method="post" action="edit-tags.php">';
+	$form = '<form name="edittag" id="edittag" method="post" action="edit-tags.php" class="validate">';
 	$action = 'editedtag';
 	$nonce_action = 'update-tag_' . $tag_ID;
 	do_action('edit_tag_form_pre', $tag);
 } else {
 	$heading = __('Add Tag');
 	$submit_text = __('Add Tag');
-	$form = '<form name="addtag" id="addtag" method="post" action="edit-tags.php" class="add:the-list:">';
+	$form = '<form name="addtag" id="addtag" method="post" action="edit-tags.php" class="add:the-list: validate">';
 	$action = 'addtag';
 	$nonce_action = 'add-tag';
 	do_action('add_tag_form_pre', $tag);
diff --git a/wp-admin/includes/media.php b/wp-admin/includes/media.php
index 8d8bed444b..913717bab5 100644
--- a/wp-admin/includes/media.php
+++ b/wp-admin/includes/media.php
@@ -848,7 +848,7 @@ function media_upload_type_form($type = 'file', $errors = null, $id = null) {
 	$callback = "type_form_$type";
 ?>
 
-<form enctype="multipart/form-data" method="post" action="<?php echo attribute_escape($form_action_url); ?>" class="media-upload-form type-form" id="<?php echo $type; ?>-form">
+<form enctype="multipart/form-data" method="post" action="<?php echo attribute_escape($form_action_url); ?>" class="media-upload-form type-form validate" id="<?php echo $type; ?>-form">
 <input type="hidden" name="post_id" id="post_id" value="<?php echo $post_id; ?>" />
 <?php wp_nonce_field('media-form'); ?>
 <h3><?php _e('From Computer'); ?></h3>
@@ -909,7 +909,7 @@ jQuery(function($){
 -->
 </script>
 
-<form enctype="multipart/form-data" method="post" action="<?php echo attribute_escape($form_action_url); ?>" class="media-upload-form" id="gallery-form">
+<form enctype="multipart/form-data" method="post" action="<?php echo attribute_escape($form_action_url); ?>" class="media-upload-form validate" id="gallery-form">
 <?php wp_nonce_field('media-form'); ?>
 <?php //media_upload_form( $errors ); ?>
 
@@ -1044,7 +1044,7 @@ foreach ($arc_result as $arc_row) {
 </div>
 </form>
 
-<form enctype="multipart/form-data" method="post" action="<?php echo attribute_escape($form_action_url); ?>" class="media-upload-form" id="library-form">
+<form enctype="multipart/form-data" method="post" action="<?php echo attribute_escape($form_action_url); ?>" class="media-upload-form validate" id="library-form">
 
 <?php wp_nonce_field('media-form'); ?>
 <?php //media_upload_form( $errors ); ?>
diff --git a/wp-admin/js/common.js b/wp-admin/js/common.js
index 08c132a591..6559d7d2c9 100644
--- a/wp-admin/js/common.js
+++ b/wp-admin/js/common.js
@@ -7,7 +7,7 @@ jQuery(document).ready( function() {
 
 	// Basic form validation
 	if ( ( 'undefined' != typeof wpAjax ) && jQuery.isFunction( wpAjax.validateForm ) ) {
-		jQuery('form').submit( function() { return wpAjax.validateForm( jQuery(this) ); } );
+		jQuery('form.validate').submit( function() { return wpAjax.validateForm( jQuery(this) ); } );
 	}
 });
 
diff --git a/wp-admin/users.php b/wp-admin/users.php
index 91b6baf6c2..3ecebcc993 100644
--- a/wp-admin/users.php
+++ b/wp-admin/users.php
@@ -398,7 +398,7 @@ foreach ( $wp_user_search->get_results() as $userid ) {
 	else
 	        echo '<p>' . sprintf(__('Users cannot currently <a href="%1$s">register themselves</a>, but you can manually create users here.'), get_option('siteurl').'/wp-admin/options-general.php#users_can_register') . '</p>';
 ?>
-<form action="#add-new-user" method="post" name="adduser" id="adduser" class="add:users:">
+<form action="#add-new-user" method="post" name="adduser" id="adduser" class="add:users: validate">
 <?php wp_nonce_field('add-user') ?>
 <table class="form-table">
 	<tr class="form-field form-required">
diff --git a/wp-includes/script-loader.php b/wp-includes/script-loader.php
index 6d7d28fe3a..336a24fdc3 100644
--- a/wp-includes/script-loader.php
+++ b/wp-includes/script-loader.php
@@ -11,7 +11,7 @@ class WP_Scripts {
 	}
 
 	function default_scripts() {
-		$this->add( 'common', '/wp-admin/js/common.js', array('jquery'), '1.0' );
+		$this->add( 'common', '/wp-admin/js/common.js', array('jquery'), '20080318' );
 		$this->add( 'sack', '/wp-includes/js/tw-sack.js', false, '1.6.1' );
 
 		$this->add( 'quicktags', '/wp-includes/js/quicktags.js', false, '3958' );