Hallo,
http://www.mozilla.org/projects/security/components/signed-scripts.html
function myPopup() {
var winB = window.open("live.html", "myWindow", "height=285,width=475,resizable,scrollbars,left=549,top=0,screenX=549,screenY=0");
winB.onload = function () {
netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserWrite");
window.close();
netscape.security.PrivilegeManager.revertPrivilege("UniversalBrowserWrite");
};
}
Mathias