Bug 6437: Added div with id yui-main around advsearch form

Testing: Make sure div shows up directly above form

Signed-off-by: Owen Leonard <oleonard@myacpl.org>
Signed-off-by: Chris Cormack <chrisc@catalyst.net.nz>

koha-tmpl/opac-tmpl/prog/en/modules/opac-advsearch.tt

@@ -6,7 +6,7 @@
 <body id="advsearch"><div id="doc3" class="yui-t7">
 <div id="bd">
 [% INCLUDE 'masthead.inc' %]
-
+<div id="yui-main">
 <form action="/cgi-bin/koha/opac-search.pl" method="get">
     <div class="yui-g">
 [% IF ( if_expanded_options_actually_worked ) %]
@@ -286,7 +286,7 @@
 
 <!-- /SEARCH BUTTONS --></div></div>
 </form>
-
+</div>
 <script type="text/javascript" language="javascript">
     /* This function allows to display a new field to search.
     */