rem: certdb.deleteCertificate(certs[i]); 
add: if (certs[i]) { certdb.deleteCertificate(certs[i]); certs[i] = null; } 
context: function doOK(){  for(var i=0;i<certs.length;i++)  {    certdb.deleteCertificate(certs[i]);  }  window.close();}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/0aa2271015518c76958b4c4ac9bca9e991853621/deletecert.js/buggy/security/manager/pki/resources/content/deletecert.js