Fix errors when open new window
Fix errors when open new window

nguyennv/openpgp-zimlet,nguyennv/openpgp-secure-zimlet,nguyennv/openpgp-zimlet,nguyennv/openpgp-secure-zimlet,nguyennv/openpgp-secure-zimlet,iwayvietnam/openpgp-secure-zimlet,iwayvietnam/openpgp-secure-zimlet,iwayvietnam/openpgp-secure-zimlet,nguyennv/openpgp-zimlet