function writeFooter() {
document.write('<br>');
document.write('<hr width="100%">');
document.write('<center>');
document.write('<table width="740">');
document.write('<tr>');
document.write('<td align="center" colspan="2"><font size="2" color="#31336A">Last Updated: ');
document.write (document.lastModified);
document.write('<br>');
document.write('Comments and Suggestions to <a href="mailto:Hadas.Shtrikman@weizmann.ac.il">Hadas.Shtrikman@weizmann.ac.il</a>');

document.write('</font>');
document.write('</td>');
document.write('</tr>');

document.write('</tr>');
document.write('</table>');
document.write('</center>');
}