document.write('Return to:   ');
document.write('<a href="http://www.scs.uiuc.edu/chem" class="topnav" target="_blank">Chemistry at Illinois</a>');
document.write('&nbsp;&nbsp;&nbsp;|&nbsp;&nbsp;&nbsp;');
document.write('<a href="http://www.scs.uiuc.edu/" class="topnav" target="_blank">School of Chemical Sciences</a>');