No errors W3C validated ... Browser Blank Page

No errors W3C validated ... Browser Blank Page

Hi ,

I'm new with Jquery and here.
I've started including jquery library as tutorial sya , but my html sto working ...
* I've validated at W3c and it's ok
* No javascritp error appear on firebug

If I remove " <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3/jquery.min.js"/>" it works .

I'm stuck !
Can you help me ?

Here my html (I cannot attah it in this system forum !!)
------------
<?xml version="1.0" encoding="UTF-8" ?>
       <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
                    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
   <html xmlns="http://www.w3.org/1999/xhtml"><head><meta content="text/html; charset=UTF-8" http-equiv="Content-Type"/><title>view.home.title</title>
       <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3/jquery.min.js"/>
   </head><body><table><tr><td>
      <hr/>
      <table><tr><th class="panelTitle">I'm a header panel</th></tr><tr><td class="panelBody">This is the header</td></tr></table>
      <hr/>
   </td></tr><tr><td><table><tr><td><div class="breadcrumb">
      BreadCrumb ....
      
   </div>Home page principale sovracomunale
       <a href="http://jquery.com/">jQuery</a></td><td><div class="userMenu">
      
   </div><div class="comuniList">
      
   </div></td></tr></table></td></tr><tr><td>
      <hr/>
      <table><tr><th class="panelTitle">I'm a footer panel</th></tr><tr><td class="panelBody">This is the footer -</td></tr></table>
      <hr/>
   </td></tr></table></body></html>