diff -r 2f6f6f7551ca -r 32102edaa81b web/wp-admin/js/link.dev.js
--- a/web/wp-admin/js/link.dev.js	Thu Sep 16 15:45:36 2010 +0000
+++ b/web/wp-admin/js/link.dev.js	Mon Nov 19 18:26:13 2012 +0100
@@ -23,13 +23,13 @@
 
 	// Ajax Cat
 	newCat = $('#newcat').one( 'focus', function() { $(this).val( '' ).removeClass( 'form-input-tip' ) } );
-	$('#category-add-submit').click( function() { newCat.focus(); } );
+	$('#link-category-add-submit').click( function() { newCat.focus(); } );
 	syncChecks = function() {
 		if ( noSyncChecks )
 			return;
 		noSyncChecks = true;
 		var th = $(this), c = th.is(':checked'), id = th.val().toString();
-		$('#in-link-category-' + id + ', #in-popular-category-' + id).attr( 'checked', c );
+		$('#in-link-category-' + id + ', #in-popular-category-' + id).prop( 'checked', c );
 		noSyncChecks = false;
 	};
 
@@ -59,6 +59,7 @@
 	$('#category-add-toggle').click( function() {
 		$(this).parents('div:first').toggleClass( 'wp-hidden-children' );
 		$('#category-tabs a[href="#categories-all"]').click();
+		$('#newcategory').focus();
 		return false;
 	} );