diff --git a/wp-admin/edit-form-advanced.php b/wp-admin/edit-form-advanced.php
index 6eddf5dd58c7..823a7a235d4a 100644
--- a/wp-admin/edit-form-advanced.php
+++ b/wp-admin/edit-form-advanced.php
@@ -283,7 +283,7 @@
 <div id="titlediv">
 <div id="titlewrap">
 	<label class="hide-if-no-js" style="visibility:hidden" id="title-prompt-text" for="title"><?php echo apply_filters( 'enter_title_here', __( 'Enter title here' ), $post ); ?></label>
-	<input type="text" name="post_title" size="30" tabindex="1" value="<?php echo esc_attr( htmlspecialchars( $post->post_title ) ); ?>" id="title" autocomplete="off" />
+	<input type="text" name="post_title" size="30" value="<?php echo esc_attr( htmlspecialchars( $post->post_title ) ); ?>" id="title" autocomplete="off" />
 </div>
 <div class="inside">
 <?php
@@ -312,7 +312,7 @@
 <?php if ( post_type_supports($post_type, 'editor') ) { ?>
 <div id="postdivrich" class="postarea">
 
-<?php wp_editor($post->post_content, 'content', array('dfw' => true, 'tabindex' => 1, 'tabfocus_elements' => 'sample-permalink,post-preview') ); ?>
+<?php wp_editor($post->post_content, 'content', array('dfw' => true, 'tabfocus_elements' => 'sample-permalink,post-preview') ); ?>
 
 <table id="post-status-info" cellspacing="0"><tbody><tr>
 	<td id="wp-word-count"><?php printf( __( 'Word count: %s' ), '<span class="word-count">0</span>' ); ?></td>
@@ -378,7 +378,7 @@
 	wp_comment_reply();
 ?>
 
-<?php if ((isset($post->post_title) && '' == $post->post_title) || (isset($_GET['message']) && 2 > $_GET['message'])) : ?>
+<?php if ( (isset($post->post_title) && '' == $post->post_title) || (isset($_GET['message']) && 2 > $_GET['message']) ) : ?>
 <script type="text/javascript">
 try{document.post.title.focus();}catch(e){}
 </script>
diff --git a/wp-admin/edit-form-comment.php b/wp-admin/edit-form-comment.php
index 2340baf4f3b6..14a2966804d0 100644
--- a/wp-admin/edit-form-comment.php
+++ b/wp-admin/edit-form-comment.php
@@ -31,7 +31,7 @@
 <tbody>
 <tr valign="top">
 	<td class="first"><?php _e( 'Name:' ); ?></td>
-	<td><input type="text" name="newcomment_author" size="30" value="<?php echo esc_attr( $comment->comment_author ); ?>" tabindex="1" id="name" /></td>
+	<td><input type="text" name="newcomment_author" size="30" value="<?php echo esc_attr( $comment->comment_author ); ?>" id="name" /></td>
 </tr>
 <tr valign="top">
 	<td class="first">
@@ -42,7 +42,7 @@
 			_e( 'E-mail:' );
 		}
 ?></td>
-	<td><input type="text" name="newcomment_author_email" size="30" value="<?php echo $comment->comment_author_email; ?>" tabindex="2" id="email" /></td>
+	<td><input type="text" name="newcomment_author_email" size="30" value="<?php echo $comment->comment_author_email; ?>" id="email" /></td>
 </tr>
 <tr valign="top">
 	<td class="first">
@@ -53,7 +53,7 @@
 		} else {
 			_e( 'URL:' );
 		} ?></td>
-	<td><input type="text" id="newcomment_author_url" name="newcomment_author_url" size="30" class="code" value="<?php echo esc_attr($comment->comment_author_url); ?>" tabindex="3" /></td>
+	<td><input type="text" id="newcomment_author_url" name="newcomment_author_url" size="30" class="code" value="<?php echo esc_attr($comment->comment_author_url); ?>" /></td>
 </tr>
 </tbody>
 </table>
@@ -98,8 +98,8 @@
 $stamp = __('Submitted on: <b>%1$s</b>');
 $date = date_i18n( $datef, strtotime( $comment->comment_date ) );
 ?>
-<span id="timestamp"><?php printf($stamp, $date); ?></span>&nbsp;<a href="#edit_timestamp" class="edit-timestamp hide-if-no-js" tabindex='4'><?php _e('Edit') ?></a>
-<div id='timestampdiv' class='hide-if-js'><?php touch_time(('editcomment' == $action), 0, 5); ?></div>
+<span id="timestamp"><?php printf($stamp, $date); ?></span>&nbsp;<a href="#edit_timestamp" class="edit-timestamp hide-if-no-js"><?php _e('Edit') ?></a>
+<div id='timestampdiv' class='hide-if-js'><?php touch_time(('editcomment' == $action), 0); ?></div>
 </div>
 </div> <!-- misc actions -->
 <div class="clear"></div>
@@ -110,7 +110,7 @@
 <?php echo "<a class='submitdelete deletion' href='" . wp_nonce_url("comment.php?action=" . ( !EMPTY_TRASH_DAYS ? 'deletecomment' : 'trashcomment' ) . "&amp;c=$comment->comment_ID&amp;_wp_original_http_referer=" . urlencode(wp_get_referer()), 'delete-comment_' . $comment->comment_ID) . "'>" . ( !EMPTY_TRASH_DAYS ? __('Delete Permanently') : __('Move to Trash') ) . "</a>\n"; ?>
 </div>
 <div id="publishing-action">
-<?php submit_button( __( 'Update' ), 'primary', 'save', false, array( 'tabindex' => '4' ) ); ?>
+<?php submit_button( __( 'Update' ), 'primary', 'save', false ); ?>
 </div>
 <div class="clear"></div>
 </div>
diff --git a/wp-admin/edit-link-form.php b/wp-admin/edit-link-form.php
index 4ae317b8985b..6d81ec01440d 100644
--- a/wp-admin/edit-link-form.php
+++ b/wp-admin/edit-link-form.php
@@ -82,7 +82,7 @@
 <div id="namediv" class="stuffbox">
 <h3><label for="link_name"><?php _ex('Name', 'link name') ?></label></h3>
 <div class="inside">
-	<input type="text" name="link_name" size="30" tabindex="1" value="<?php echo esc_attr($link->link_name); ?>" id="link_name" />
+	<input type="text" name="link_name" size="30" value="<?php echo esc_attr($link->link_name); ?>" id="link_name" />
     <p><?php _e('Example: Nifty blogging software'); ?></p>
 </div>
 </div>
@@ -90,7 +90,7 @@
 <div id="addressdiv" class="stuffbox">
 <h3><label for="link_url"><?php _e('Web Address') ?></label></h3>
 <div class="inside">
-	<input type="text" name="link_url" size="30" class="code" tabindex="1" value="<?php echo esc_attr($link->link_url); ?>" id="link_url" />
+	<input type="text" name="link_url" size="30" class="code" value="<?php echo esc_attr($link->link_url); ?>" id="link_url" />
     <p><?php _e('Example: <code>http://wordpress.org/</code> &#8212; don&#8217;t forget the <code>http://</code>'); ?></p>
 </div>
 </div>
@@ -98,7 +98,7 @@
 <div id="descriptiondiv" class="stuffbox">
 <h3><label for="link_description"><?php _e('Description') ?></label></h3>
 <div class="inside">
-	<input type="text" name="link_description" size="30" tabindex="1" value="<?php echo isset($link->link_description) ? esc_attr($link->link_description) : ''; ?>" id="link_description" />
+	<input type="text" name="link_description" size="30" value="<?php echo isset($link->link_description) ? esc_attr($link->link_description) : ''; ?>" id="link_description" />
     <p><?php _e('This will be shown when someone hovers over the link in the blogroll, or optionally below the link.'); ?></p>
 </div>
 </div>
diff --git a/wp-admin/edit-tag-form.php b/wp-admin/edit-tag-form.php
index 24efd82f88a3..0d4a121bd309 100644
--- a/wp-admin/edit-tag-form.php
+++ b/wp-admin/edit-tag-form.php
@@ -91,3 +91,6 @@
 ?>
 </form>
 </div>
+<script type="text/javascript">
+try{document.forms.edittag.name.focus();}catch(e){}
+</script>
diff --git a/wp-admin/edit-tags.php b/wp-admin/edit-tags.php
index 4d619ef235bc..29bcad42895d 100644
--- a/wp-admin/edit-tags.php
+++ b/wp-admin/edit-tags.php
@@ -408,7 +408,9 @@
 
 </div><!-- /col-container -->
 </div><!-- /wrap -->
-
+<script type="text/javascript">
+try{document.forms.addtag['tag-name'].focus();}catch(e){}
+</script>
 <?php $wp_list_table->inline_edit(); ?>
 
 <?php
diff --git a/wp-admin/includes/class-wp-posts-list-table.php b/wp-admin/includes/class-wp-posts-list-table.php
index 151fe36c6544..e7a5dc82ca04 100644
--- a/wp-admin/includes/class-wp-posts-list-table.php
+++ b/wp-admin/includes/class-wp-posts-list-table.php
@@ -754,7 +754,7 @@ function inline_edit() {
 	<?php if ( !$bulk ) : ?>
 			<label><span class="title"><?php _e( 'Date' ); ?></span></label>
 			<div class="inline-edit-date">
-				<?php touch_time( 1, 1, 4, 1 ); ?>
+				<?php touch_time( 1, 1, 0, 1 ); ?>
 			</div>
 			<br class="clear" />
 	<?php endif; // $bulk
diff --git a/wp-admin/includes/class-wp-theme-install-list-table.php b/wp-admin/includes/class-wp-theme-install-list-table.php
index 47175243585e..46d3262d2323 100644
--- a/wp-admin/includes/class-wp-theme-install-list-table.php
+++ b/wp-admin/includes/class-wp-theme-install-list-table.php
@@ -237,7 +237,7 @@ function single_row( $theme ) {
 				<?php foreach ( $actions as $action ): ?>
 					<li><?php echo $action; ?></li>
 				<?php endforeach; ?>
-				<li class="hide-if-no-js"><a href="#" class="theme-detail" tabindex='4'><?php _e('Details') ?></a></li>
+				<li class="hide-if-no-js"><a href="#" class="theme-detail"><?php _e('Details') ?></a></li>
 			</ul>
 		</div>
 
diff --git a/wp-admin/includes/class-wp-themes-list-table.php b/wp-admin/includes/class-wp-themes-list-table.php
index 003d1ab03d6b..76cfa562adb0 100644
--- a/wp-admin/includes/class-wp-themes-list-table.php
+++ b/wp-admin/includes/class-wp-themes-list-table.php
@@ -171,7 +171,7 @@ function display_rows() {
 					<?php foreach ( $actions as $action ): ?>
 						<li><?php echo $action; ?></li>
 					<?php endforeach; ?>
-					<li class="hide-if-no-js"><a href="#" class="theme-detail" tabindex='4'><?php _e('Details') ?></a></li>
+					<li class="hide-if-no-js"><a href="#" class="theme-detail"><?php _e('Details') ?></a></li>
 				</ul>
 				<?php echo $delete_action; ?>
 
diff --git a/wp-admin/includes/dashboard.php b/wp-admin/includes/dashboard.php
index 6e3b1cc758c0..3f723983262a 100644
--- a/wp-admin/includes/dashboard.php
+++ b/wp-admin/includes/dashboard.php
@@ -505,7 +505,7 @@ function wp_dashboard_quick_press() {
 	<form name="post" action="<?php echo esc_url( admin_url( 'post.php' ) ); ?>" method="post" id="quick-press">
 		<h4 id="quick-post-title"><label for="title"><?php _e('Title') ?></label></h4>
 		<div class="input-text-wrap">
-			<input type="text" name="post_title" id="title" tabindex="1" autocomplete="off" value="<?php echo esc_attr( $post->post_title ); ?>" />
+			<input type="text" name="post_title" id="title" autocomplete="off" value="<?php echo esc_attr( $post->post_title ); ?>" />
 		</div>
 
 		<?php if ( current_user_can( 'upload_files' ) ) : ?>
@@ -516,14 +516,14 @@ function wp_dashboard_quick_press() {
 
 		<h4 id="content-label"><label for="content"><?php _e('Content') ?></label></h4>
 		<div class="textarea-wrap">
-			<textarea name="content" id="content" class="mceEditor" rows="3" cols="15" tabindex="2"><?php echo esc_textarea( $post->post_content ); ?></textarea>
+			<textarea name="content" id="content" class="mceEditor" rows="3" cols="15"><?php echo esc_textarea( $post->post_content ); ?></textarea>
 		</div>
 
 		<script type="text/javascript">edCanvas = document.getElementById('content');edInsertContent = null;</script>
 
 		<h4><label for="tags-input"><?php _e('Tags') ?></label></h4>
 		<div class="input-text-wrap">
-			<input type="text" name="tags_input" id="tags-input" tabindex="3" value="<?php echo get_tags_to_edit( $post->ID ); ?>" />
+			<input type="text" name="tags_input" id="tags-input" value="<?php echo get_tags_to_edit( $post->ID ); ?>" />
 		</div>
 
 		<p class="submit">
@@ -531,10 +531,10 @@ function wp_dashboard_quick_press() {
 			<input type="hidden" name="post_ID" value="<?php echo $post_ID; ?>" />
 			<input type="hidden" name="post_type" value="post" />
 			<?php wp_nonce_field('add-post'); ?>
-			<?php submit_button( __( 'Save Draft' ), 'button', 'save', false, array( 'id' => 'save-post', 'tabindex'=> 4 ) ); ?>
+			<?php submit_button( __( 'Save Draft' ), 'button', 'save', false, array( 'id' => 'save-post' ) ); ?>
 			<input type="reset" value="<?php esc_attr_e( 'Reset' ); ?>" class="button" />
 			<span id="publishing-action">
-				<input type="submit" name="publish" id="publish" accesskey="p" tabindex="5" class="button-primary" value="<?php current_user_can('publish_posts') ? esc_attr_e('Publish') : esc_attr_e('Submit for Review'); ?>" />
+				<input type="submit" name="publish" id="publish" accesskey="p" class="button-primary" value="<?php current_user_can('publish_posts') ? esc_attr_e('Publish') : esc_attr_e('Submit for Review'); ?>" />
 				<img class="waiting" src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" alt="" />
 			</span>
 			<br class="clear" />
diff --git a/wp-admin/includes/meta-boxes.php b/wp-admin/includes/meta-boxes.php
index 2146b84c565f..d5b0fbdf55a2 100644
--- a/wp-admin/includes/meta-boxes.php
+++ b/wp-admin/includes/meta-boxes.php
@@ -28,9 +28,9 @@ function post_submit_meta_box($post) {
 <div id="minor-publishing-actions">
 <div id="save-action">
 <?php if ( 'publish' != $post->post_status && 'future' != $post->post_status && 'pending' != $post->post_status ) { ?>
-<input <?php if ( 'private' == $post->post_status ) { ?>style="display:none"<?php } ?> type="submit" name="save" id="save-post" value="<?php esc_attr_e('Save Draft'); ?>" tabindex="4" class="button button-highlighted" />
+<input <?php if ( 'private' == $post->post_status ) { ?>style="display:none"<?php } ?> type="submit" name="save" id="save-post" value="<?php esc_attr_e('Save Draft'); ?>" class="button button-highlighted" />
 <?php } elseif ( 'pending' == $post->post_status && $can_publish ) { ?>
-<input type="submit" name="save" id="save-post" value="<?php esc_attr_e('Save as Pending'); ?>" tabindex="4" class="button button-highlighted" />
+<input type="submit" name="save" id="save-post" value="<?php esc_attr_e('Save as Pending'); ?>" class="button button-highlighted" />
 <?php } ?>
 <img src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" class="ajax-loading" id="draft-ajax-loading" alt="" />
 </div>
@@ -48,7 +48,7 @@ function post_submit_meta_box($post) {
 	$preview_button = __( 'Preview' );
 }
 ?>
-<a class="preview button" href="<?php echo $preview_link; ?>" target="wp-preview" id="post-preview" tabindex="4"><?php echo $preview_button; ?></a>
+<a class="preview button" href="<?php echo $preview_link; ?>" target="wp-preview" id="post-preview"><?php echo $preview_button; ?></a>
 <input type="hidden" name="wp-preview" id="wp-preview" value="" />
 </div>
 <?php endif; // public post type ?>
@@ -81,11 +81,11 @@ function post_submit_meta_box($post) {
 ?>
 </span>
 <?php if ( 'publish' == $post->post_status || 'private' == $post->post_status || $can_publish ) { ?>
-<a href="#post_status" <?php if ( 'private' == $post->post_status ) { ?>style="display:none;" <?php } ?>class="edit-post-status hide-if-no-js" tabindex='4'><?php _e('Edit') ?></a>
+<a href="#post_status" <?php if ( 'private' == $post->post_status ) { ?>style="display:none;" <?php } ?>class="edit-post-status hide-if-no-js"><?php _e('Edit') ?></a>
 
 <div id="post-status-select" class="hide-if-js">
 <input type="hidden" name="hidden_post_status" id="hidden_post_status" value="<?php echo esc_attr( ('auto-draft' == $post->post_status ) ? 'draft' : $post->post_status); ?>" />
-<select name='post_status' id='post_status' tabindex='4'>
+<select name='post_status' id='post_status'>
 <?php if ( 'publish' == $post->post_status ) : ?>
 <option<?php selected( $post->post_status, 'publish' ); ?> value='publish'><?php _e('Published') ?></option>
 <?php elseif ( 'private' == $post->post_status ) : ?>
@@ -137,7 +137,7 @@ function post_submit_meta_box($post) {
 <input type="hidden" name="hidden_post_visibility" id="hidden-post-visibility" value="<?php echo esc_attr( $visibility ); ?>" />
 <input type="radio" name="visibility" id="visibility-radio-public" value="public" <?php checked( $visibility, 'public' ); ?> /> <label for="visibility-radio-public" class="selectit"><?php _e('Public'); ?></label><br />
 <?php if ( $post_type == 'post' && current_user_can( 'edit_others_posts' ) ) : ?>
-<span id="sticky-span"><input id="sticky" name="sticky" type="checkbox" value="sticky" <?php checked( is_sticky( $post->ID ) ); ?> tabindex="4" /> <label for="sticky" class="selectit"><?php _e( 'Stick this post to the front page' ); ?></label><br /></span>
+<span id="sticky-span"><input id="sticky" name="sticky" type="checkbox" value="sticky" <?php checked( is_sticky( $post->ID ) ); ?> /> <label for="sticky" class="selectit"><?php _e( 'Stick this post to the front page' ); ?></label><br /></span>
 <?php endif; ?>
 <input type="radio" name="visibility" id="visibility-radio-password" value="password" <?php checked( $visibility, 'password' ); ?> /> <label for="visibility-radio-password" class="selectit"><?php _e('Password protected'); ?></label><br />
 <span id="password-span"><label for="post_password"><?php _e('Password:'); ?></label> <input type="text" name="post_password" id="post_password" value="<?php echo esc_attr($post->post_password); ?>" /><br /></span>
@@ -177,8 +177,8 @@ function post_submit_meta_box($post) {
 <div class="misc-pub-section curtime">
 	<span id="timestamp">
 	<?php printf($stamp, $date); ?></span>
-	<a href="#edit_timestamp" class="edit-timestamp hide-if-no-js" tabindex='4'><?php _e('Edit') ?></a>
-	<div id="timestampdiv" class="hide-if-js"><?php touch_time(($action == 'edit'),1,4); ?></div>
+	<a href="#edit_timestamp" class="edit-timestamp hide-if-no-js"><?php _e('Edit') ?></a>
+	<div id="timestampdiv" class="hide-if-js"><?php touch_time(($action == 'edit'), 1); ?></div>
 </div><?php // /misc-pub-section ?>
 <?php endif; ?>
 
@@ -208,19 +208,19 @@ function post_submit_meta_box($post) {
 	if ( $can_publish ) :
 		if ( !empty($post->post_date_gmt) && time() < strtotime( $post->post_date_gmt . ' +0000' ) ) : ?>
 		<input name="original_publish" type="hidden" id="original_publish" value="<?php esc_attr_e('Schedule') ?>" />
-		<?php submit_button( __( 'Schedule' ), 'primary', 'publish', false, array( 'tabindex' => '5', 'accesskey' => 'p' ) ); ?>
+		<?php submit_button( __( 'Schedule' ), 'primary', 'publish', false, array( 'accesskey' => 'p' ) ); ?>
 <?php	else : ?>
 		<input name="original_publish" type="hidden" id="original_publish" value="<?php esc_attr_e('Publish') ?>" />
-		<?php submit_button( __( 'Publish' ), 'primary', 'publish', false, array( 'tabindex' => '5', 'accesskey' => 'p' ) ); ?>
+		<?php submit_button( __( 'Publish' ), 'primary', 'publish', false, array( 'accesskey' => 'p' ) ); ?>
 <?php	endif;
 	else : ?>
 		<input name="original_publish" type="hidden" id="original_publish" value="<?php esc_attr_e('Submit for Review') ?>" />
-		<?php submit_button( __( 'Submit for Review' ), 'primary', 'publish', false, array( 'tabindex' => '5', 'accesskey' => 'p' ) ); ?>
+		<?php submit_button( __( 'Submit for Review' ), 'primary', 'publish', false, array( 'accesskey' => 'p' ) ); ?>
 <?php
 	endif;
 } else { ?>
 		<input name="original_publish" type="hidden" id="original_publish" value="<?php esc_attr_e('Update') ?>" />
-		<input name="save" type="submit" class="button-primary" id="publish" tabindex="5" accesskey="p" value="<?php esc_attr_e('Update') ?>" />
+		<input name="save" type="submit" class="button-primary" id="publish" accesskey="p" value="<?php esc_attr_e('Update') ?>" />
 <?php
 } ?>
 </div>
@@ -288,7 +288,7 @@ function post_tags_meta_box($post, $box) {
 		<label class="screen-reader-text" for="new-tag-<?php echo $tax_name; ?>"><?php echo $box['title']; ?></label>
 		<div class="taghint"><?php echo $taxonomy->labels->add_new_item; ?></div>
 		<p><input type="text" id="new-tag-<?php echo $tax_name; ?>" name="newtag[<?php echo $tax_name; ?>]" class="newtag form-input-tip" size="16" autocomplete="off" value="" />
-		<input type="button" class="button tagadd" value="<?php esc_attr_e('Add'); ?>" tabindex="3" /></p>
+		<input type="button" class="button tagadd" value="<?php esc_attr_e('Add'); ?>" /></p>
 	</div>
 	<p class="howto"><?php echo esc_attr( $taxonomy->labels->separate_items_with_commas ); ?></p>
 	<?php endif; ?>
@@ -320,8 +320,8 @@ function post_categories_meta_box( $post, $box ) {
 	?>
 	<div id="taxonomy-<?php echo $taxonomy; ?>" class="categorydiv">
 		<ul id="<?php echo $taxonomy; ?>-tabs" class="category-tabs">
-			<li class="tabs"><a href="#<?php echo $taxonomy; ?>-all" tabindex="3"><?php echo $tax->labels->all_items; ?></a></li>
-			<li class="hide-if-no-js"><a href="#<?php echo $taxonomy; ?>-pop" tabindex="3"><?php _e( 'Most Used' ); ?></a></li>
+			<li class="tabs"><a href="#<?php echo $taxonomy; ?>-all"><?php echo $tax->labels->all_items; ?></a></li>
+			<li class="hide-if-no-js"><a href="#<?php echo $taxonomy; ?>-pop"><?php _e( 'Most Used' ); ?></a></li>
 		</ul>
 
 		<div id="<?php echo $taxonomy; ?>-pop" class="tabs-panel" style="display: none;">
@@ -342,7 +342,7 @@ function post_categories_meta_box( $post, $box ) {
 	<?php if ( current_user_can($tax->cap->edit_terms) ) : ?>
 			<div id="<?php echo $taxonomy; ?>-adder" class="wp-hidden-children">
 				<h4>
-					<a id="<?php echo $taxonomy; ?>-add-toggle" href="#<?php echo $taxonomy; ?>-add" class="hide-if-no-js" tabindex="3">
+					<a id="<?php echo $taxonomy; ?>-add-toggle" href="#<?php echo $taxonomy; ?>-add" class="hide-if-no-js">
 						<?php
 							/* translators: %s: add new taxonomy label */
 							printf( __( '+ %s' ), $tax->labels->add_new_item );
@@ -351,12 +351,12 @@ function post_categories_meta_box( $post, $box ) {
 				</h4>
 				<p id="<?php echo $taxonomy; ?>-add" class="category-add wp-hidden-child">
 					<label class="screen-reader-text" for="new<?php echo $taxonomy; ?>"><?php echo $tax->labels->add_new_item; ?></label>
-					<input type="text" name="new<?php echo $taxonomy; ?>" id="new<?php echo $taxonomy; ?>" class="form-required form-input-tip" value="<?php echo esc_attr( $tax->labels->new_item_name ); ?>" tabindex="3" aria-required="true"/>
+					<input type="text" name="new<?php echo $taxonomy; ?>" id="new<?php echo $taxonomy; ?>" class="form-required form-input-tip" value="<?php echo esc_attr( $tax->labels->new_item_name ); ?>" aria-required="true"/>
 					<label class="screen-reader-text" for="new<?php echo $taxonomy; ?>_parent">
 						<?php echo $tax->labels->parent_item_colon; ?>
 					</label>
-					<?php wp_dropdown_categories( array( 'taxonomy' => $taxonomy, 'hide_empty' => 0, 'name' => 'new'.$taxonomy.'_parent', 'orderby' => 'name', 'hierarchical' => 1, 'show_option_none' => '&mdash; ' . $tax->labels->parent_item . ' &mdash;', 'tab_index' => 3 ) ); ?>
-					<input type="button" id="<?php echo $taxonomy; ?>-add-submit" class="add:<?php echo $taxonomy ?>checklist:<?php echo $taxonomy ?>-add button category-add-submit" value="<?php echo esc_attr( $tax->labels->add_new_item ); ?>" tabindex="3" />
+					<?php wp_dropdown_categories( array( 'taxonomy' => $taxonomy, 'hide_empty' => 0, 'name' => 'new'.$taxonomy.'_parent', 'orderby' => 'name', 'hierarchical' => 1, 'show_option_none' => '&mdash; ' . $tax->labels->parent_item . ' &mdash;' ) ); ?>
+					<input type="button" id="<?php echo $taxonomy; ?>-add-submit" class="add:<?php echo $taxonomy ?>checklist:<?php echo $taxonomy ?>-add button category-add-submit" value="<?php echo esc_attr( $tax->labels->add_new_item ); ?>" />
 					<?php wp_nonce_field( 'add-'.$taxonomy, '_ajax_nonce-add-'.$taxonomy, false ); ?>
 					<span id="<?php echo $taxonomy; ?>-ajax-response"></span>
 				</p>
@@ -375,7 +375,7 @@ function post_categories_meta_box( $post, $box ) {
  */
 function post_excerpt_meta_box($post) {
 ?>
-<label class="screen-reader-text" for="excerpt"><?php _e('Excerpt') ?></label><textarea rows="1" cols="40" name="excerpt" tabindex="6" id="excerpt"><?php echo $post->post_excerpt; // textarea_escaped ?></textarea>
+<label class="screen-reader-text" for="excerpt"><?php _e('Excerpt') ?></label><textarea rows="1" cols="40" name="excerpt" id="excerpt"><?php echo $post->post_excerpt; // textarea_escaped ?></textarea>
 <p><?php _e('Excerpts are optional hand-crafted summaries of your content that can be used in your theme. <a href="http://codex.wordpress.org/Excerpt" target="_blank">Learn more about manual excerpts.</a>'); ?></p>
 <?php
 }
@@ -388,7 +388,7 @@ function post_excerpt_meta_box($post) {
  * @param object $post
  */
 function post_trackback_meta_box($post) {
-	$form_trackback = '<input type="text" name="trackback_url" id="trackback_url" class="code" tabindex="7" value="'. esc_attr( str_replace("\n", ' ', $post->to_ping) ) .'" />';
+	$form_trackback = '<input type="text" name="trackback_url" id="trackback_url" class="code" value="'. esc_attr( str_replace("\n", ' ', $post->to_ping) ) .'" />';
 	if ('' != $post->pinged) {
 		$pings = '<p>'. __('Already pinged:') . '</p><ul>';
 		$already_pinged = explode("\n", trim($post->pinged));
@@ -613,7 +613,7 @@ function link_submit_meta_box($link) {
 <div id="minor-publishing-actions">
 <div id="preview-action">
 <?php if ( !empty($link->link_id) ) { ?>
-	<a class="preview button" href="<?php echo $link->link_url; ?>" target="_blank" tabindex="4"><?php _e('Visit Link'); ?></a>
+	<a class="preview button" href="<?php echo $link->link_url; ?>" target="_blank"><?php _e('Visit Link'); ?></a>
 <?php } ?>
 </div>
 <div class="clear"></div>
@@ -638,9 +638,9 @@ function link_submit_meta_box($link) {
 
 <div id="publishing-action">
 <?php if ( !empty($link->link_id) ) { ?>
-	<input name="save" type="submit" class="button-primary" id="publish" tabindex="4" accesskey="p" value="<?php esc_attr_e('Update Link') ?>" />
+	<input name="save" type="submit" class="button-primary" id="publish" accesskey="p" value="<?php esc_attr_e('Update Link') ?>" />
 <?php } else { ?>
-	<input name="save" type="submit" class="button-primary" id="publish" tabindex="4" accesskey="p" value="<?php esc_attr_e('Add Link') ?>" />
+	<input name="save" type="submit" class="button-primary" id="publish" accesskey="p" value="<?php esc_attr_e('Add Link') ?>" />
 <?php } ?>
 </div>
 <div class="clear"></div>
diff --git a/wp-admin/includes/template.php b/wp-admin/includes/template.php
index 383487458a9b..1ad997964fab 100644
--- a/wp-admin/includes/template.php
+++ b/wp-admin/includes/template.php
@@ -332,17 +332,17 @@ function wp_comment_reply($position = '1', $checkbox = false, $mode = 'single',
 	<div id="edithead" style="display:none;">
 		<div class="inside">
 		<label for="author"><?php _e('Name') ?></label>
-		<input type="text" name="newcomment_author" size="50" value="" tabindex="101" id="author" />
+		<input type="text" name="newcomment_author" size="50" value="" id="author" />
 		</div>
 
 		<div class="inside">
 		<label for="author-email"><?php _e('E-mail') ?></label>
-		<input type="text" name="newcomment_author_email" size="50" value="" tabindex="102" id="author-email" />
+		<input type="text" name="newcomment_author_email" size="50" value="" id="author-email" />
 		</div>
 
 		<div class="inside">
 		<label for="author-url"><?php _e('URL') ?></label>
-		<input type="text" id="author-url" name="newcomment_author_url" size="103" value="" tabindex="103" />
+		<input type="text" id="author-url" name="newcomment_author_url" size="103" value="" />
 		</div>
 		<div style="clear:both;"></div>
 	</div>
@@ -350,13 +350,13 @@ function wp_comment_reply($position = '1', $checkbox = false, $mode = 'single',
 	<div id="replycontainer">
 	<?php
 	$quicktags_settings = array( 'buttons' => 'strong,em,link,block,del,ins,img,ul,ol,li,code,spell,close' );
-	wp_editor( '', 'replycontent', array( 'media_buttons' => false, 'tinymce' => false, 'quicktags' => $quicktags_settings, 'tabindex' => 104 ) );
+	wp_editor( '', 'replycontent', array( 'media_buttons' => false, 'tinymce' => false, 'quicktags' => $quicktags_settings ) );
 	?>
 	</div>
 
 	<p id="replysubmit" class="submit">
-	<a href="#comments-form" class="cancel button-secondary alignleft" tabindex="106"><?php _e('Cancel'); ?></a>
-	<a href="#comments-form" class="save button-primary alignright" tabindex="104">
+	<a href="#comments-form" class="cancel button-secondary alignleft"><?php _e('Cancel'); ?></a>
+	<a href="#comments-form" class="save button-primary alignright">
 	<span id="addbtn" style="display:none;"><?php _e('Add Comment'); ?></span>
 	<span id="savebtn" style="display:none;"><?php _e('Update Comment'); ?></span>
 	<span id="replybtn" style="display:none;"><?php _e('Submit Reply'); ?></span></a>
@@ -489,17 +489,17 @@ function _list_meta_row( $entry, &$count ) {
 	$delete_nonce = wp_create_nonce( 'delete-meta_' . $entry['meta_id'] );
 
 	$r .= "\n\t<tr id='meta-{$entry['meta_id']}' class='$style'>";
-	$r .= "\n\t\t<td class='left'><label class='screen-reader-text' for='meta[{$entry['meta_id']}][key]'>" . __( 'Key' ) . "</label><input name='meta[{$entry['meta_id']}][key]' id='meta[{$entry['meta_id']}][key]' tabindex='6' type='text' size='20' value='{$entry['meta_key']}' />";
+	$r .= "\n\t\t<td class='left'><label class='screen-reader-text' for='meta[{$entry['meta_id']}][key]'>" . __( 'Key' ) . "</label><input name='meta[{$entry['meta_id']}][key]' id='meta[{$entry['meta_id']}][key]' type='text' size='20' value='{$entry['meta_key']}' />";
 
 	$r .= "\n\t\t<div class='submit'>";
-	$r .= get_submit_button( __( 'Delete' ), "delete:the-list:meta-{$entry['meta_id']}::_ajax_nonce=$delete_nonce deletemeta", "deletemeta[{$entry['meta_id']}]", false, array( 'tabindex' => '6' ) );
+	$r .= get_submit_button( __( 'Delete' ), "delete:the-list:meta-{$entry['meta_id']}::_ajax_nonce=$delete_nonce deletemeta", "deletemeta[{$entry['meta_id']}]", false );
 	$r .= "\n\t\t";
-	$r .= get_submit_button( __( 'Update' ), "add:the-list:meta-{$entry['meta_id']}::_ajax_nonce-add-meta=$update_nonce updatemeta" , 'updatemeta', false, array( 'tabindex' => '6' ) );
+	$r .= get_submit_button( __( 'Update' ), "add:the-list:meta-{$entry['meta_id']}::_ajax_nonce-add-meta=$update_nonce updatemeta" , 'updatemeta', false );
 	$r .= "</div>";
 	$r .= wp_nonce_field( 'change-meta', '_ajax_nonce', false, false );
 	$r .= "</td>";
 
-	$r .= "\n\t\t<td><label class='screen-reader-text' for='meta[{$entry['meta_id']}][value]'>" . __( 'Value' ) . "</label><textarea name='meta[{$entry['meta_id']}][value]' id='meta[{$entry['meta_id']}][value]' tabindex='6' rows='2' cols='30'>{$entry['meta_value']}</textarea></td>\n\t</tr>";
+	$r .= "\n\t\t<td><label class='screen-reader-text' for='meta[{$entry['meta_id']}][value]'>" . __( 'Value' ) . "</label><textarea name='meta[{$entry['meta_id']}][value]' id='meta[{$entry['meta_id']}][value]' rows='2' cols='30'>{$entry['meta_value']}</textarea></td>\n\t</tr>";
 	return $r;
 }
 
@@ -534,7 +534,7 @@ function meta_form() {
 <tr>
 <td id="newmetaleft" class="left">
 <?php if ( $keys ) { ?>
-<select id="metakeyselect" name="metakeyselect" tabindex="7">
+<select id="metakeyselect" name="metakeyselect">
 <option value="#NONE#"><?php _e( '&mdash; Select &mdash;' ); ?></option>
 <?php
 
@@ -543,19 +543,19 @@ function meta_form() {
 	}
 ?>
 </select>
-<input class="hide-if-js" type="text" id="metakeyinput" name="metakeyinput" tabindex="7" value="" />
+<input class="hide-if-js" type="text" id="metakeyinput" name="metakeyinput" value="" />
 <a href="#postcustomstuff" class="hide-if-no-js" onclick="jQuery('#metakeyinput, #metakeyselect, #enternew, #cancelnew').toggle();return false;">
 <span id="enternew"><?php _e('Enter new'); ?></span>
 <span id="cancelnew" class="hidden"><?php _e('Cancel'); ?></span></a>
 <?php } else { ?>
-<input type="text" id="metakeyinput" name="metakeyinput" tabindex="7" value="" />
+<input type="text" id="metakeyinput" name="metakeyinput" value="" />
 <?php } ?>
 </td>
-<td><textarea id="metavalue" name="metavalue" rows="2" cols="25" tabindex="8"></textarea></td>
+<td><textarea id="metavalue" name="metavalue" rows="2" cols="25"></textarea></td>
 </tr>
 
 <tr><td colspan="2" class="submit">
-<?php submit_button( __( 'Add Custom Field' ), 'add:the-list:newmeta', 'addmeta', false, array( 'id' => 'addmetasub', 'tabindex' => '9' ) ); ?>
+<?php submit_button( __( 'Add Custom Field' ), 'add:the-list:newmeta', 'addmeta', false, array( 'id' => 'addmetasub' ) ); ?>
 <?php wp_nonce_field( 'add-meta', '_ajax_nonce-add-meta', false ); ?>
 </td></tr>
 </tbody>
diff --git a/wp-admin/menu-header.php b/wp-admin/menu-header.php
index 017f676acfb8..ab51cbc3a2d1 100644
--- a/wp-admin/menu-header.php
+++ b/wp-admin/menu-header.php
@@ -41,7 +41,7 @@ function _wp_menu_output( $menu, $submenu, $submenu_as_parent = true ) {
 	foreach ( $menu as $key => $item ) {
 		$admin_is_parent = false;
 		$class = array();
-		$aria_attributes = 'tabindex="1"';
+		$aria_attributes = '';
 
 		if ( $first ) {
 			$class[] = 'wp-first-item';
@@ -59,7 +59,7 @@ function _wp_menu_output( $menu, $submenu, $submenu_as_parent = true ) {
 		} else {
 			$class[] = 'wp-not-current-submenu';
 			if ( ! empty( $submenu_items ) )
-				$aria_attributes .= ' aria-haspopup="true"';
+				$aria_attributes .= 'aria-haspopup="true"';
 		}
 
 		if ( ! empty( $item[4] ) )
@@ -87,9 +87,9 @@ function _wp_menu_output( $menu, $submenu, $submenu_as_parent = true ) {
 				$menu_file = substr( $menu_file, 0, $pos );
 			if ( ! empty( $menu_hook ) || ( ('index.php' != $submenu_items[0][2]) && file_exists( WP_PLUGIN_DIR . "/$menu_file" ) ) ) {
 				$admin_is_parent = true;
-				echo "<div class='wp-menu-image'><a href='admin.php?page={$submenu_items[0][2]}' aria-label='$aria_label'>$img</a></div>$arrow<a href='admin.php?page={$submenu_items[0][2]}'$class $aria_attributes>$title</a>";
+				echo "<div class='wp-menu-image'><a href='admin.php?page={$submenu_items[0][2]}' tabindex='-1' aria-label='$aria_label'>$img</a></div>$arrow<a href='admin.php?page={$submenu_items[0][2]}'$class $aria_attributes>$title</a>";
 			} else {
-				echo "\n\t<div class='wp-menu-image'><a href='{$submenu_items[0][2]}' aria-label='$aria_label'>$img</a></div>$arrow<a href='{$submenu_items[0][2]}'$class $aria_attributes>$title</a>";
+				echo "\n\t<div class='wp-menu-image'><a href='{$submenu_items[0][2]}' tabindex='-1' aria-label='$aria_label'>$img</a></div>$arrow<a href='{$submenu_items[0][2]}'$class $aria_attributes>$title</a>";
 			}
 		} elseif ( ! empty( $item[2] ) && current_user_can( $item[1] ) ) {
 			$menu_hook = get_plugin_page_hook( $item[2], 'admin.php' );
@@ -98,9 +98,9 @@ function _wp_menu_output( $menu, $submenu, $submenu_as_parent = true ) {
 				$menu_file = substr( $menu_file, 0, $pos );
 			if ( ! empty( $menu_hook ) || ( ('index.php' != $item[2]) && file_exists( WP_PLUGIN_DIR . "/$menu_file" ) ) ) {
 				$admin_is_parent = true;
-				echo "\n\t<div class='wp-menu-image'><a href='admin.php?page={$item[2]}' aria-label='$aria_label'>$img</a></div>$arrow<a href='admin.php?page={$item[2]}'$class $aria_attributes>{$item[0]}</a>";
+				echo "\n\t<div class='wp-menu-image'><a href='admin.php?page={$item[2]}' tabindex='-1' aria-label='$aria_label'>$img</a></div>$arrow<a href='admin.php?page={$item[2]}'$class $aria_attributes>{$item[0]}</a>";
 			} else {
-				echo "\n\t<div class='wp-menu-image'><a href='{$item[2]}' aria-label='$aria_label'>$img</a></div>$arrow<a href='{$item[2]}'$class $aria_attributes>{$item[0]}</a>";
+				echo "\n\t<div class='wp-menu-image'><a href='{$item[2]}' tabindex='-1' aria-label='$aria_label'>$img</a></div>$arrow<a href='{$item[2]}'$class $aria_attributes>{$item[0]}</a>";
 			}
 		}
 
@@ -112,7 +112,6 @@ function _wp_menu_output( $menu, $submenu, $submenu_as_parent = true ) {
 				if ( ! current_user_can( $sub_item[1] ) )
 					continue;
 
-				$aria_attributes = 'tabindex="1"';
 				$class = array();
 				if ( $first ) {
 					$class[] = 'wp-first-item';
@@ -156,9 +155,9 @@ function _wp_menu_output( $menu, $submenu, $submenu_as_parent = true ) {
 						$sub_item_url = add_query_arg( array('page' => $sub_item[2]), 'admin.php' );
 
 					$sub_item_url = esc_url( $sub_item_url );
-					echo "<li$class><a href='$sub_item_url'$class $aria_attributes>$title</a></li>";
+					echo "<li$class><a href='$sub_item_url'$class>$title</a></li>";
 				} else {
-					echo "<li$class><a href='{$sub_item[2]}'$class $aria_attributes>$title</a></li>";
+					echo "<li$class><a href='{$sub_item[2]}'$class>$title</a></li>";
 				}
 			}
 			echo "</ul></div></div>";
diff --git a/wp-admin/plugin-editor.php b/wp-admin/plugin-editor.php
index 75417a6c80f9..64e3310af421 100644
--- a/wp-admin/plugin-editor.php
+++ b/wp-admin/plugin-editor.php
@@ -226,7 +226,7 @@
 </div>
 <form name="template" id="template" action="plugin-editor.php" method="post">
 	<?php wp_nonce_field('edit-plugin_' . $file) ?>
-		<div><textarea cols="70" rows="25" name="newcontent" id="newcontent" aria-describedby="newcontent-description" tabindex="1"><?php echo $content ?></textarea>
+		<div><textarea cols="70" rows="25" name="newcontent" id="newcontent" aria-describedby="newcontent-description"><?php echo $content ?></textarea>
 		<span id="newcontent-description" class="screen-reader-text"><?php _e('Content of the edited file. The Tab key enters a tab character, to move below this area, press the Esc key followed by the Tab key. Shift + Tab works as expected.'); ?></span>
 		<input type="hidden" name="action" value="update" />
 		<input type="hidden" name="file" value="<?php echo esc_attr($file) ?>" />
@@ -244,9 +244,9 @@
 	<?php
 		if ( isset($_GET['phperror']) ) {
 			echo "<input type='hidden' name='phperror' value='1' />";
-			submit_button( __( 'Update File and Attempt to Reactivate' ), 'primary', 'submit', false, array( 'tabindex' => '2' ) );
+			submit_button( __( 'Update File and Attempt to Reactivate' ), 'primary', 'submit', false );
 		} else {
-			submit_button( __( 'Update File' ), 'primary', 'submit', false, array( 'tabindex' => '2' ) );
+			submit_button( __( 'Update File' ), 'primary', 'submit', false );
 		}
 	?>
 	</p>
diff --git a/wp-admin/press-this.php b/wp-admin/press-this.php
index 9a6181673ae6..badd2c592c3f 100644
--- a/wp-admin/press-this.php
+++ b/wp-admin/press-this.php
@@ -495,8 +495,8 @@ function setup_photo_actions() {
 				<div id="taxonomy-category" class="categorydiv">
 
 					<ul id="category-tabs" class="category-tabs">
-						<li class="tabs"><a href="#category-all" tabindex="3"><?php echo $tax->labels->all_items; ?></a></li>
-						<li class="hide-if-no-js"><a href="#category-pop" tabindex="3"><?php _e( 'Most Used' ); ?></a></li>
+						<li class="tabs"><a href="#category-all"><?php echo $tax->labels->all_items; ?></a></li>
+						<li class="hide-if-no-js"><a href="#category-pop"><?php _e( 'Most Used' ); ?></a></li>
 					</ul>
 
 					<div id="category-pop" class="tabs-panel" style="display: none;">
@@ -517,18 +517,18 @@ function setup_photo_actions() {
 					<?php if ( current_user_can($tax->cap->edit_terms) ) : ?>
 						<div id="category-adder" class="wp-hidden-children">
 							<h4>
-								<a id="category-add-toggle" href="#category-add" class="hide-if-no-js" tabindex="3">
+								<a id="category-add-toggle" href="#category-add" class="hide-if-no-js">
 									<?php printf( __( '+ %s' ), $tax->labels->add_new_item ); ?>
 								</a>
 							</h4>
 							<p id="category-add" class="category-add wp-hidden-child">
 								<label class="screen-reader-text" for="newcategory"><?php echo $tax->labels->add_new_item; ?></label>
-								<input type="text" name="newcategory" id="newcategory" class="form-required form-input-tip" value="<?php echo esc_attr( $tax->labels->new_item_name ); ?>" tabindex="3" aria-required="true"/>
+								<input type="text" name="newcategory" id="newcategory" class="form-required form-input-tip" value="<?php echo esc_attr( $tax->labels->new_item_name ); ?>" aria-required="true"/>
 								<label class="screen-reader-text" for="newcategory_parent">
 									<?php echo $tax->labels->parent_item_colon; ?>
 								</label>
-								<?php wp_dropdown_categories( array( 'taxonomy' => 'category', 'hide_empty' => 0, 'name' => 'newcategory_parent', 'orderby' => 'name', 'hierarchical' => 1, 'show_option_none' => '&mdash; ' . $tax->labels->parent_item . ' &mdash;', 'tab_index' => 3 ) ); ?>
-								<input type="button" id="category-add-submit" class="add:categorychecklist:category-add button category-add-submit" value="<?php echo esc_attr( $tax->labels->add_new_item ); ?>" tabindex="3" />
+								<?php wp_dropdown_categories( array( 'taxonomy' => 'category', 'hide_empty' => 0, 'name' => 'newcategory_parent', 'orderby' => 'name', 'hierarchical' => 1, 'show_option_none' => '&mdash; ' . $tax->labels->parent_item . ' &mdash;' ) ); ?>
+								<input type="button" id="category-add-submit" class="add:categorychecklist:category-add button category-add-submit" value="<?php echo esc_attr( $tax->labels->add_new_item ); ?>" />
 								<?php wp_nonce_field( 'add-category', '_ajax_nonce-add-category', false ); ?>
 								<span id="category-ajax-response"></span>
 							</p>
@@ -548,7 +548,7 @@ function setup_photo_actions() {
 							<input type="hidden" name="tax_input[post_tag]" class="the-tags" id="tax-input[post_tag]" value="" />
 							<div class="ajaxtag">
 								<input type="text" name="newtag[post_tag]" class="newtag form-input-tip" size="16" autocomplete="off" value="" />
-								<input type="button" class="button tagadd" value="<?php esc_attr_e('Add'); ?>" tabindex="3" />
+								<input type="button" class="button tagadd" value="<?php esc_attr_e('Add'); ?>" />
 							</div>
 						</div>
 						<div class="tagchecklist"></div>
diff --git a/wp-admin/theme-editor.php b/wp-admin/theme-editor.php
index f8ad86c57f69..529ce3a63e1a 100644
--- a/wp-admin/theme-editor.php
+++ b/wp-admin/theme-editor.php
@@ -198,7 +198,7 @@
 else : ?>
 	<form name="template" id="template" action="theme-editor.php" method="post">
 	<?php wp_nonce_field( 'edit-theme_' . $file . $stylesheet ); ?>
-		<div><textarea cols="70" rows="30" name="newcontent" id="newcontent" aria-describedby="newcontent-description" tabindex="1"><?php echo $content ?></textarea>
+		<div><textarea cols="70" rows="30" name="newcontent" id="newcontent" aria-describedby="newcontent-description"><?php echo $content ?></textarea>
 		<span id="newcontent-description" class="screen-reader-text"><?php _e('Content of the edited file. The Tab key enters a tab character, to move below this area, press the Esc key followed by the Tab key. Shift + Tab works as expected.'); ?></span>
 		<input type="hidden" name="action" value="update" />
 		<input type="hidden" name="file" value="<?php echo esc_attr( $relative_file ); ?>" />
@@ -220,7 +220,7 @@
 		<?php endif; ?>
 <?php
 	if ( is_writeable( $file ) ) :
-		submit_button( __( 'Update File' ), 'primary', 'submit', true, array( 'tabindex' => '2' ) );
+		submit_button( __( 'Update File' ), 'primary', 'submit', true );
 	else : ?>
 <p><em><?php _e('You need to make this file writable before you can save your changes. See <a href="http://codex.wordpress.org/Changing_File_Permissions">the Codex</a> for more information.'); ?></em></p>
 <?php endif; ?>
diff --git a/wp-includes/class-wp-editor.php b/wp-includes/class-wp-editor.php
index a00ce7522a14..bc438b1d4d37 100644
--- a/wp-includes/class-wp-editor.php
+++ b/wp-includes/class-wp-editor.php
@@ -769,13 +769,13 @@ public static function wp_link_dialog() {
 		<div id="link-options">
 			<p class="howto"><?php _e( 'Enter the destination URL' ); ?></p>
 			<div>
-				<label><span><?php _e( 'URL' ); ?></span><input id="url-field" type="text" tabindex="10" name="href" /></label>
+				<label><span><?php _e( 'URL' ); ?></span><input id="url-field" type="text" name="href" /></label>
 			</div>
 			<div>
-				<label><span><?php _e( 'Title' ); ?></span><input id="link-title-field" type="text" tabindex="20" name="linktitle" /></label>
+				<label><span><?php _e( 'Title' ); ?></span><input id="link-title-field" type="text" name="linktitle" /></label>
 			</div>
 			<div class="link-target">
-				<label><input type="checkbox" id="link-target-checkbox" tabindex="30" /> <?php _e( 'Open link in a new window/tab' ); ?></label>
+				<label><input type="checkbox" id="link-target-checkbox" /> <?php _e( 'Open link in a new window/tab' ); ?></label>
 			</div>
 		</div>
 		<?php $show_internal = '1' == get_user_setting( 'wplink', '0' ); ?>
@@ -785,7 +785,7 @@ public static function wp_link_dialog() {
 				<label>
 					<span><img class="waiting" src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" alt="" />
 					<?php _e( 'Search' ); ?></span>
-					<input type="search" id="search-field" class="link-search-field" tabindex="60" autocomplete="off" />
+					<input type="search" id="search-field" class="link-search-field" autocomplete="off" />
 				</label>
 			</div>
 			<div id="search-results" class="query-results">
@@ -808,7 +808,7 @@ public static function wp_link_dialog() {
 			<a class="submitdelete deletion" href="#"><?php _e( 'Cancel' ); ?></a>
 		</div>
 		<div id="wp-link-update">
-			<input type="submit" tabindex="100" value="<?php esc_attr_e( 'Add Link' ); ?>" class="button-primary" id="wp-link-submit" name="wp-link-submit">
+			<input type="submit" value="<?php esc_attr_e( 'Add Link' ); ?>" class="button-primary" id="wp-link-submit" name="wp-link-submit">
 		</div>
 	</div>
 	</form>
diff --git a/wp-includes/general-template.php b/wp-includes/general-template.php
index a5af2f24ad55..0419b2b6cc4c 100644
--- a/wp-includes/general-template.php
+++ b/wp-includes/general-template.php
@@ -274,16 +274,16 @@ function wp_login_form( $args = array() ) {
 			' . apply_filters( 'login_form_top', '', $args ) . '
 			<p class="login-username">
 				<label for="' . esc_attr( $args['id_username'] ) . '">' . esc_html( $args['label_username'] ) . '</label>
-				<input type="text" name="log" id="' . esc_attr( $args['id_username'] ) . '" class="input" value="' . esc_attr( $args['value_username'] ) . '" size="20" tabindex="10" />
+				<input type="text" name="log" id="' . esc_attr( $args['id_username'] ) . '" class="input" value="' . esc_attr( $args['value_username'] ) . '" size="20" />
 			</p>
 			<p class="login-password">
 				<label for="' . esc_attr( $args['id_password'] ) . '">' . esc_html( $args['label_password'] ) . '</label>
-				<input type="password" name="pwd" id="' . esc_attr( $args['id_password'] ) . '" class="input" value="" size="20" tabindex="20" />
+				<input type="password" name="pwd" id="' . esc_attr( $args['id_password'] ) . '" class="input" value="" size="20" />
 			</p>
 			' . apply_filters( 'login_form_middle', '', $args ) . '
-			' . ( $args['remember'] ? '<p class="login-remember"><label><input name="rememberme" type="checkbox" id="' . esc_attr( $args['id_remember'] ) . '" value="forever" tabindex="90"' . ( $args['value_remember'] ? ' checked="checked"' : '' ) . ' /> ' . esc_html( $args['label_remember'] ) . '</label></p>' : '' ) . '
+			' . ( $args['remember'] ? '<p class="login-remember"><label><input name="rememberme" type="checkbox" id="' . esc_attr( $args['id_remember'] ) . '" value="forever"' . ( $args['value_remember'] ? ' checked="checked"' : '' ) . ' /> ' . esc_html( $args['label_remember'] ) . '</label></p>' : '' ) . '
 			<p class="login-submit">
-				<input type="submit" name="wp-submit" id="' . esc_attr( $args['id_submit'] ) . '" class="button-primary" value="' . esc_attr( $args['label_log_in'] ) . '" tabindex="100" />
+				<input type="submit" name="wp-submit" id="' . esc_attr( $args['id_submit'] ) . '" class="button-primary" value="' . esc_attr( $args['label_log_in'] ) . ' />
 				<input type="hidden" name="redirect_to" value="' . esc_url( $args['redirect'] ) . '" />
 			</p>
 			' . apply_filters( 'login_form_bottom', '', $args ) . '
diff --git a/wp-includes/js/tinymce/wp-mce-help.php b/wp-includes/js/tinymce/wp-mce-help.php
index 4f096e50cd12..0cf05500ea0e 100644
--- a/wp-includes/js/tinymce/wp-mce-help.php
+++ b/wp-includes/js/tinymce/wp-mce-help.php
@@ -159,10 +159,10 @@
 </script>
 
 <ul id="tabs">
-	<li><a id="tab1" href="javascript:flipTab(1)" title="<?php esc_attr_e('Basics of Rich Editing') ?>" accesskey="1" tabindex="1" class="current"><?php _e('Basics') ?></a></li>
-	<li><a id="tab2" href="javascript:flipTab(2)" title="<?php esc_attr_e('Advanced use of the Rich Editor') ?>" accesskey="2" tabindex="2"><?php _e('Advanced') ?></a></li>
-	<li><a id="tab3" href="javascript:flipTab(3)" title="<?php esc_attr_e('Hotkeys') ?>" accesskey="3" tabindex="3"><?php _e('Hotkeys') ?></a></li>
-	<li><a id="tab4" href="javascript:flipTab(4)" title="<?php esc_attr_e('About the software') ?>" accesskey="4" tabindex="4"><?php _e('About') ?></a></li>
+	<li><a id="tab1" href="javascript:flipTab(1)" title="<?php esc_attr_e('Basics of Rich Editing') ?>" accesskey="1" class="current"><?php _e('Basics') ?></a></li>
+	<li><a id="tab2" href="javascript:flipTab(2)" title="<?php esc_attr_e('Advanced use of the Rich Editor') ?>" accesskey="2"><?php _e('Advanced') ?></a></li>
+	<li><a id="tab3" href="javascript:flipTab(3)" title="<?php esc_attr_e('Hotkeys') ?>" accesskey="3"><?php _e('Hotkeys') ?></a></li>
+	<li><a id="tab4" href="javascript:flipTab(4)" title="<?php esc_attr_e('About the software') ?>" accesskey="4"><?php _e('About') ?></a></li>
 </ul>
 
 <div id="flipper" class="wrap">
diff --git a/wp-login.php b/wp-login.php
index 87a0a668bfff..a442679f4d4b 100644
--- a/wp-login.php
+++ b/wp-login.php
@@ -432,11 +432,11 @@ function register_new_user( $user_login, $user_email ) {
 <form name="lostpasswordform" id="lostpasswordform" action="<?php echo esc_url( site_url( 'wp-login.php?action=lostpassword', 'login_post' ) ); ?>" method="post">
 	<p>
 		<label for="user_login" ><?php _e('Username or E-mail:') ?><br />
-		<input type="text" name="user_login" id="user_login" class="input" value="<?php echo esc_attr($user_login); ?>" size="20" tabindex="10" /></label>
+		<input type="text" name="user_login" id="user_login" class="input" value="<?php echo esc_attr($user_login); ?>" size="20" /></label>
 	</p>
 <?php do_action('lostpassword_form'); ?>
 	<input type="hidden" name="redirect_to" value="<?php echo esc_attr( $redirect_to ); ?>" />
-	<p class="submit"><input type="submit" name="wp-submit" id="wp-submit" class="button-primary" value="<?php esc_attr_e('Get New Password'); ?>" tabindex="100" /></p>
+	<p class="submit"><input type="submit" name="wp-submit" id="wp-submit" class="button-primary" value="<?php esc_attr_e('Get New Password'); ?>" /></p>
 </form>
 
 <p id="nav">
@@ -492,7 +492,7 @@ function register_new_user( $user_login, $user_email ) {
 	<p class="description indicator-hint"><?php _e('Hint: The password should be at least seven characters long. To make it stronger, use upper and lower case letters, numbers and symbols like ! " ? $ % ^ &amp; ).'); ?></p>
 
 	<br class="clear" />
-	<p class="submit"><input type="submit" name="wp-submit" id="wp-submit" class="button-primary" value="<?php esc_attr_e('Reset Password'); ?>" tabindex="100" /></p>
+	<p class="submit"><input type="submit" name="wp-submit" id="wp-submit" class="button-primary" value="<?php esc_attr_e('Reset Password'); ?>" /></p>
 </form>
 
 <p id="nav">
@@ -538,17 +538,17 @@ function register_new_user( $user_login, $user_email ) {
 <form name="registerform" id="registerform" action="<?php echo esc_url( site_url('wp-login.php?action=register', 'login_post') ); ?>" method="post">
 	<p>
 		<label for="user_login"><?php _e('Username') ?><br />
-		<input type="text" name="user_login" id="user_login" class="input" value="<?php echo esc_attr(stripslashes($user_login)); ?>" size="20" tabindex="10" /></label>
+		<input type="text" name="user_login" id="user_login" class="input" value="<?php echo esc_attr(stripslashes($user_login)); ?>" size="20" /></label>
 	</p>
 	<p>
 		<label for="user_email"><?php _e('E-mail') ?><br />
-		<input type="email" name="user_email" id="user_email" class="input" value="<?php echo esc_attr(stripslashes($user_email)); ?>" size="25" tabindex="20" /></label>
+		<input type="email" name="user_email" id="user_email" class="input" value="<?php echo esc_attr(stripslashes($user_email)); ?>" size="25" /></label>
 	</p>
 <?php do_action('register_form'); ?>
 	<p id="reg_passmail"><?php _e('A password will be e-mailed to you.') ?></p>
 	<br class="clear" />
 	<input type="hidden" name="redirect_to" value="<?php echo esc_attr( $redirect_to ); ?>" />
-	<p class="submit"><input type="submit" name="wp-submit" id="wp-submit" class="button-primary" value="<?php esc_attr_e('Register'); ?>" tabindex="100" /></p>
+	<p class="submit"><input type="submit" name="wp-submit" id="wp-submit" class="button-primary" value="<?php esc_attr_e('Register'); ?>" /></p>
 </form>
 
 <p id="nav">
@@ -671,16 +671,16 @@ function register_new_user( $user_login, $user_email ) {
 <form name="loginform" id="loginform" action="<?php echo esc_url( site_url( 'wp-login.php', 'login_post' ) ); ?>" method="post">
 	<p>
 		<label for="user_login"><?php _e('Username') ?><br />
-		<input type="text" name="log" id="user_login" class="input" value="<?php echo esc_attr($user_login); ?>" size="20" tabindex="10" /></label>
+		<input type="text" name="log" id="user_login" class="input" value="<?php echo esc_attr($user_login); ?>" size="20" /></label>
 	</p>
 	<p>
 		<label for="user_pass"><?php _e('Password') ?><br />
-		<input type="password" name="pwd" id="user_pass" class="input" value="" size="20" tabindex="20" /></label>
+		<input type="password" name="pwd" id="user_pass" class="input" value="" size="20" /></label>
 	</p>
 <?php do_action('login_form'); ?>
-	<p class="forgetmenot"><label for="rememberme"><input name="rememberme" type="checkbox" id="rememberme" value="forever" tabindex="90"<?php checked( $rememberme ); ?> /> <?php esc_attr_e('Remember Me'); ?></label></p>
+	<p class="forgetmenot"><label for="rememberme"><input name="rememberme" type="checkbox" id="rememberme" value="forever" <?php checked( $rememberme ); ?> /> <?php esc_attr_e('Remember Me'); ?></label></p>
 	<p class="submit">
-		<input type="submit" name="wp-submit" id="wp-submit" class="button-primary" value="<?php esc_attr_e('Log In'); ?>" tabindex="100" />
+		<input type="submit" name="wp-submit" id="wp-submit" class="button-primary" value="<?php esc_attr_e('Log In'); ?>" />
 <?php	if ( $interim_login ) { ?>
 		<input type="hidden" name="interim-login" value="1" />
 <?php	} else { ?>