jquery -- Tabload in modx 2.2 rc3 Slow

<div id="tabs">
	<ul><li><a href="[[~65? &searChar=`A`]]">A | </a></li>
		<li><a href="[[~65? &searChar=`B`]]">B | </a></li> ....

[[!getResources:default=`<div style="padding: 10px 0 10px 50px;">Sorry - no books here</div>`? &parents=`66` &tpl=`ajaxTabTmp` &includeTVs=`1` &processTVs=`1` &sortdir=`ASC` &sortby=`menuindex` &limit=`9999` &tvFilters=`title==[[!getURLparam]]%` ]]

<?php
$output = '';
$output .= $_GET['searChar'];
return $output;

<div class="felder">
      <a href="[[~[[+tv.ID]]]]" titel="[[+tv.title]]">
          <img id="felder" src="[[+tv.titleImg:phpthumbof=`w=120&h=169&zc=1`]]" height="169" width="120" alt="">
      </a>
      <div class="feldertext">
           <a href="[[~[[+tv.ID]]]]" titel="[[+tv.title]]"><div class="uber">[[+tv.title]] </div></a>
           <div class="unter"><a href="[[*site_url]]/authors/[[getResourceField? &id=`[[+tv.authorFirst]]` &field=`alias`]].html">[[getResourceField? &id=`[[+tv.authorFirst]]`]]</div></a>
           <div class="hyphenate text" lang="de">[[+tv.contentDescription:wordTrunc=`100`]]</div></br>
      <!--[[+tv.newBooks]]-->
      </div>
      <div class="preis">Preis: € [[+tv.book_EUR]]  <a class="kaufen" href="[[~[[+tv.ID]]]]">Kaufen</a>
     </div>
</div>

<?php
$output = '';

$_GET['searChar'] = str_replace('>','',$_GET['searChar']);
$_GET['searChar'] = str_replace('<','',$_GET['searChar']);
$searChar .= $_GET['searChar'];

/*echo $searChar;*/

$path = MODX_CORE_PATH . 'components/store/';
$result = $modx->addPackage('store',$path . 'model/','zambon_');
if (! $result) {
  return 'failed to add package - Yuck - please contact us at the contact page siteadmin@****.net';
} else {
$output = '';
$books = $modx->getCollection('Store', array(  
   'title:LIKE' => '$searChar%'  
));

foreach($books as $book) {
    $fields = $book->toArray();
    $output .= $modx->getChunk('ShowAll', $fields);
}
return $output;
}

'title:LIKE' => $searChar . '%' 

'title:LIKE' => $searChar . '%'

select all books which have the same authorfield like book with the id="4"

select * from store where authorFirst in (select authorFirst from store where id="4")

<?php
$output = '';
$bookid .= $_GET['bookid'];
/*echo $bookid;*/ 

$path = MODX_CORE_PATH . 'components/store/';
$result = $modx->addPackage('store',$path . 'model/','zambon_');
if (! $result) {
  return 'failed to add package - Yuck - please contact us at the contact page';
} else {

/*select * from zambon_store where authorFirst in (select authorFirst from zambon_store where id="4")*/

$query = 'SELECT * FROM zambon_store WHERE authorFirst in (select authorFirst from zambon_store where id="'.$bookid.'")';

$criteria = new xPDOCriteria($modx, $query);
$books = $modx->getCollection('Store', $criteria);

foreach($books as $book) {
    $fields = $book->toArray();
    $output .= $modx->getChunk('ShowAllTmp', $fields);
}
return $output;
}