document.write("<a href='javascript:void(0)' onclick='window.open(\"https://chemapps.stolaf.edu/jmol/jmol.php?source=https://ib.bioninja.com.au/_Media/pdb/bdl002_(B-DNA).pdb&width=100%&height=100%\",\"\",\"width=600,height=600,scrollbars=no\")'>• DNA double helix</a>");