Index: wp-includes/script-loader.php
===================================================================
--- wp-includes/script-loader.php	(revision 8862)
+++ wp-includes/script-loader.php	(working copy)
@@ -166,6 +166,9 @@
 		) );
 		$scripts->add( 'admin-users', '/wp-admin/js/users.js', array('wp-lists'), '20070823' );
 		$scripts->add( 'admin-forms', '/wp-admin/js/forms.js', array('jquery'), '20080729');
+		$scripts->localize( 'admin-forms', 'formsL10n', array(
+			'confirmDelete' => __('Are you sure you want to delete the selected entries?'),
+		) );
 		$scripts->add( 'xfn', '/wp-admin/js/xfn.js', false, '3517' );
 		$scripts->add( 'upload', '/wp-admin/js/upload.js', array('jquery'), '20070518' );
 		$scripts->add( 'postbox', '/wp-admin/js/postbox.js', array('jquery-ui-sortable'), '20080723' );
Index: wp-admin/edit-link-categories.php
===================================================================
--- wp-admin/edit-link-categories.php	(revision 8862)
+++ wp-admin/edit-link-categories.php	(working copy)
@@ -96,7 +96,7 @@
 ?>
 
 <div class="alignleft">
-<select name="action">
+<select name="action" id="select-action">
 <option value="" selected><?php _e('Actions'); ?></option>
 <option value="delete"><?php _e('Delete'); ?></option>
 </select>
Index: wp-admin/edit-comments.php
===================================================================
--- wp-admin/edit-comments.php	(revision 8862)
+++ wp-admin/edit-comments.php	(working copy)
@@ -180,7 +180,7 @@
 ?>
 
 <div class="alignleft">
-<select name="action">
+<select name="action" id="select-action">
 <option value="" selected="selected"><?php _e('Actions') ?></option>
 <?php if ( empty($comment_status) || 'approved' == $comment_status ): ?>
 <option value="unapprove"><?php _e('Unapprove'); ?></option>
Index: wp-admin/edit-tags.php
===================================================================
--- wp-admin/edit-tags.php	(revision 8862)
+++ wp-admin/edit-tags.php	(working copy)
@@ -164,7 +164,7 @@
 ?>
 
 <div class="alignleft">
-<select name="action">
+<select name="action" id="select-action">
 <option value="" selected><?php _e('Actions'); ?></option>
 <option value="delete"><?php _e('Delete'); ?></option>
 </select>
Index: wp-admin/js/forms.js
===================================================================
--- wp-admin/js/forms.js	(revision 8862)
+++ wp-admin/js/forms.js	(working copy)
@@ -24,3 +24,15 @@
 		checkAll( $(this).parents( 'form:first' ) );
 	} );
 } );
+
+jQuery(document).ready( function() {
+	jQuery('.button-secondary.action').click( function(e) {
+		var selected = jQuery('#select-action option:selected');
+		if( selected.val() == 'delete' ) {
+			return confirm( formsL10n.confirmDelete );
+		} else {
+			if( selected.val() == 'edit' ) return true;
+			return false;
+		}
+	});
+});
\ No newline at end of file
Index: wp-admin/edit.php
===================================================================
--- wp-admin/edit.php	(revision 8862)
+++ wp-admin/edit.php	(working copy)
@@ -182,7 +182,7 @@
 ?>
 
 <div class="alignleft">
-<select name="action">
+<select name="action" id="select-action">
 <option value="" selected><?php _e('Actions'); ?></option>
 <option value="edit"><?php _e('Edit'); ?></option>
 <option value="delete"><?php _e('Delete'); ?></option>
Index: wp-admin/edit-pages.php
===================================================================
--- wp-admin/edit-pages.php	(revision 8862)
+++ wp-admin/edit-pages.php	(working copy)
@@ -166,7 +166,7 @@
 ?>
 
 <div class="alignleft">
-<select name="action">
+<select name="action" id="select-action">
 <option value="" selected><?php _e('Actions'); ?></option>
 <option value="edit"><?php _e('Edit'); ?></option>
 <option value="delete"><?php _e('Delete'); ?></option>
Index: wp-admin/categories.php
===================================================================
--- wp-admin/categories.php	(revision 8862)
+++ wp-admin/categories.php	(working copy)
@@ -157,7 +157,7 @@
 ?>
 
 <div class="alignleft">
-<select name="action">
+<select name="action" id="select-action">
 <option value="" selected><?php _e('Actions'); ?></option>
 <option value="delete"><?php _e('Delete'); ?></option>
 </select>