var minwidth=800;
if (screen.width<=minwidth)
document.write("<link href='http://www.cof.orst.edu/leopold/styles/800res.css' title='main' rel='stylesheet' type='text/css' media='screen' />");
else
document.write("<link href='http://www.cof.orst.edu/leopold/styles/highres.css' title='main' rel='stylesheet' type='text/css' media='screen' />");