ok, I found out, that the problem obviously in inc/tabs.php
PHP Code:
<?php
if($filename == "profile"){
?>
<script src='http://ajax.googleapis.com/ajax/libs/jquery/1.6.1/jquery.min.js'></script>
<script src="js/tabs.js"></script>
<script>
$(function() {
$("#profile").organicTabs();
});
</script>
<?
}
?>
but why ?
First I thought, the problem is on my webspace, but it works fine with another tabs script.