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: 972-8-934-3540,');
	   //document.write(' Fax: 972-8-934-4122,<br>');
document.write('</center>');
}