improvement: urls for tags can contain now only the tag or the id and tag

improvement: urls for category can be now id and category names (instead
of only id)

improvement: added 2 indexes (#image_tag.tag_id and #tags.url_name)

improvement: identification, register, search pages automatically set focus
on first form input

improvement: focus, nofocus css class now valid for all forms

fix: category comment is tag stripped in category_subcats.inc.php
(otherwise issues with html/scripts inside category comment)

git-svn-id: http://piwigo.org/svn/trunk@1131 68402e56-0260-453c-a942-63ccdbb3a9ee

install/phpwebgallery_structure.sql

@@ -140,7 +140,8 @@ DROP TABLE IF EXISTS `phpwebgallery_image_tag`;
 CREATE TABLE `phpwebgallery_image_tag` (
   `image_id` mediumint(8) unsigned NOT NULL default '0',
   `tag_id` smallint(5) unsigned NOT NULL default '0',
-  PRIMARY KEY  (`image_id`,`tag_id`)
+  PRIMARY KEY  (`image_id`,`tag_id`),
+  KEY `image_tag_i1` (`tag_id`)
 ) TYPE=MyISAM;
 
 --
@@ -233,7 +234,8 @@ CREATE TABLE `phpwebgallery_tags` (
   `id` smallint(5) unsigned NOT NULL auto_increment,
   `name` varchar(255) binary NOT NULL default '',
   `url_name` varchar(255) binary NOT NULL default '',
-  PRIMARY KEY  (`id`)
+  PRIMARY KEY  (`id`),
+  KEY `tags_i1` (`url_name`)
 ) TYPE=MyISAM;
 
 --