FIXEDHEADERTABLE Problem

FIXEDHEADERTABLE Problem

Hello,

i use jQuery and fixedheadertable ( https://github.com/markmalek/Fixed-Header-Table )

MyCode:
<head></head> 

  1. <script type='text/javascript'>  $(document).ready(function() {  $("#dkfz_tabelle").fixedHeaderTable({ altClass: "odd", footer: true, fixedColumns: 1, cloneHeadToFoot: true }); <script src='js/jquery.fixedheadertable.js'></script>
    });
    </script>
    <link href='/css/defaultTheme.css' rel='stylesheet' media='screen' />
<body></body> 

  1. <div style='height:800px;overflow-x: auto; overflow-y: auto;'>
<table class='fancyTable' id='dkfz_tabelle' cellpadding='0' cellspacing='0'>
<thead>
<tr style='background-color:#F5F5F5'>
<th style='background-color:#F5F5F5;min-width:70px;min-width:70px;text-align:center;vertical-align:middle;'>
<b>Datum</b><br/></th>
<th style='min-width:200px;text-align:center;vertical-align:middle;'>
<img src='./image/dkfz/B_1437.JPG' alt='DKfz-Vorschaubild' style='max-width:100px;max-height:100px;width:55px;' id='bildid'><br/>
<b>Volkswagen / T5 Bürobus</b><br/>
B-1437 / B  GT 1437<br/>
[<span style='cursor:pointer' name='ajax.php?path=dkfz_details.php&id=1006' title='DKfz - Details - Volkswagen T5 Bürobus | B-1437 B GT 1437 ' class='detail_link'><u>Details</u></span>]
</th></thead>
<tbody>
<tr style='background-color:#F5F5F5;text-align:center;height:70px;'>
<td style='background-color:#F5F5F5;min-width:120px;height:100px;text-align:center;vertical-align:middle;'>
So. 22.05.</td>
<td style='min-width:200px;height:100px;text-align:center;vertical-align:middle;'>
<br/></td>
</tr>
    </tbody>    
</table>
</div>
Now i Want click on 
class='detail_link'><u>Details</u>

but Nothing work.

Has anyone an Solution?

Greets.

Sry for my Bad English