rem: "chrome,resizable=1,modal=1,dialog=1",params); 
add: "chrome,centerscreen,modal",params); 
context: function onAccept(){  var params = Components.classes[nsPKIParamBlock].createInstance(nsIPKIParamBlock);  params.setISupportAtIndex(1, crl);    window.openDialog("chrome://pippki/content/pref-crlupdate.xul","",                                   "chrome,resizable=1,modal=1,dialog=1",params);  return true;}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/e75c04e1c1ba86f94f5c725640dfc14a30de6858/crlImportDialog.js/clean/security/manager/pki/resources/content/crlImportDialog.js