Looks like you are having some errors on the page:
<b>Warning</b>: include(nav.php) [<a href='function.include'>function.include</a>]: failed to open stream: No such file or directory in <b>/home/tunosave/public_html/vodviewer/404.php</b> on line <b>23</b><br />
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<b>Warning</b>: include(nav.php) [<a href='function.include'>function.include</a>]: failed to open stream: No such file or directory in <b>/home/tunosave/public_html/vodviewer/404.php</b> on line <b>23</b><br />
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<b>Warning</b>: include() [<a href='function.include'>function.include</a>]: Failed opening 'nav.php' for inclusion (include_path='.:/usr/lib/php:/usr/local/lib/php') in <b>/home/tunosave/public_html/vodviewer/404.php</b> on line <b>23</b><br />