document.write("<a href='javascript:void(0)' onclick='window.open(\"https://chemapps.stolaf.edu/jmol/jmol.php?source=https://www.dropbox.com/s/kbibcotfnjnmb1v/Igem_cspA_187_cluster_04.spt?dl=1&width=100%&height=100%\",\"\",\"width=600,height=600,scrollbars=no\")'>Cluster 4</a>");