How to insert Java code at Nicepage Desktop Footer

I'm create my own code to display current date and time and Copyright(c) in the Footer section.

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<div align class>Copyright(c)1989 -
Design by George Ugalde from <a href>COMPU-PAGE</a>. Coral Gables, FL. USA. All rights reserved. &nbsp;Last modification

&nbsp;&nbsp;&nbsp;</div>

<p class="art-page-footer">
    <span id="art-footnote-links">Designed by <a href="http://www.compu-page.net" target="_blank">George Ugalde from COMPU-PAGE, LLC.</a>.</span>
</p>


</div>

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