document.write('<ul>');
document.write('<li class="spazio"><a href="./index.html">Home</a> ');
document.write('<li class="spazio"><a href="http://www.agnmr.at/ssss07/">Basic level 2007 </a> ');
document.write('<li class="spazio"><a href="http://solidsnmr-safed.technion.ac.il/index.htm">Materials advanced 2007 </a> ');
document.write('<li class="spazio"> ');
document.write('</ul>');