function writeFooter() {
document.write('<center>');
document.write('<hr><a href="http://www.wisdom.weizmann.ac.il">Faculty of Mathematics and Computer Science</a><br>');
	   document.write('<a href="http://www.weizmann.ac.il">Weizmann Institute of Science</a>, <br>');
	  
	  document.write(' Rehovot, 76100 Israel,<br>');
	   document.write(' Tel: 972-8-934-4050,');
	   document.write(' Fax: 972-8-934-6023,<br>');
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}