rem: fp.appendFilter("Certificate Files", "*.crt; *.cert; *.cer; *.pem; *.der"); 
add: fp.appendFilter(bundle.GetStringFromName("file_browse_Certificate_spec"), "*.crt; *.cert; *.cer; *.pem; *.der"); 
context: function addEmailCert(){  var bundle = srGetStrBundle("chrome://pippki/locale/pippki.properties");  var fp = Components.classes[nsFilePicker].createInstance(nsIFilePicker);  fp.init(window,          bundle.GetStringFromName("importEmailCertPrompt"),          nsIFilePicker.modeOpen);  fp.appendFilter("Certificate Files", "*.crt; *.cert; *.cer; *.pem; *.der");  fp.appendFilters(nsIFilePicker.filterAll);  if (fp.show() == nsIFilePicker.returnOK) {    certdb.importCertsFromFile(null, fp.file, nsIX509Cert.EMAIL_CERT);    var certcache = Components.classes[nsNSSCertCache].createInstance(nsINSSCertCache);    certcache.cacheAllCerts();    emailTreeView.loadCertsFromCache(certcache, nsIX509Cert.EMAIL_CERT);    emailTreeView.selection.clearSelection();    caTreeView.loadCertsFromCache(certcache, nsIX509Cert.CA_CERT);    caTreeView.selection.clearSelection();  }}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/26fcd4cf0b94cd64d7a9543ca07ac2dce1f50620/certManager.js/clean/security/manager/pki/resources/content/certManager.js