> addEventListener('load', function () { var driver = document.getElementsByName('auth[driver]')[0]; if (isTag(driver, 'select')) { driver.onchange = function () { var trs = parentTag(driver, 'table').rows; for (var i=1; i < trs.length - 1; i++) { var disabled=/sqlite/.test(driver.value); alterClass(trs[i], 'hidden' , disabled); trs[i].getElementsByTagName('input')[0].disabled=disabled; } }; } driver.onchange(); });