html("<td class='label'>mode:</td>");
html("<td class='ctrl'>");
html("<select name='ss' onchange='this.form.submit();'>");
html("<td class='label'>mode:</td>");
html("<td class='ctrl'>");
html("<select name='ss' onchange='this.form.submit();'>");
html_intoption(0, "unified", curr);
html_intoption(1, "ssdiff", curr);
html("</select></td></tr>");
html_intoption(0, "unified", curr);
html_intoption(1, "ssdiff", curr);
html("</select></td></tr>");