[imp] Script error IE Browser

[Chris]

hello horde-team,

I'm using IMP CVS version

Horde: 3.0-cvs
Imp: 4.0-cvs (run Imp tests)
Ingo: 2.0-cvs (run Ingo tests)
Sam: 0.0.2-cvs
Troll: 0.0.4-cvs
Agora: 0.1-cvs
Mimp: 0.0.1-cvs
Turba: 2.0-cvs (run Turba tests)
Moment: 0.1-cvs
Kronolith: 2.0-cvs
Mnemo: 2.0-cvs
Nag: 2.0-cvs
Genie: 0.0.1-cvs
Trean: 0.1-cvs
Chora: 2.0-cvs
Babel: 0.1-cvs (run Babel tests)
Whups: 0.0.1-cvs
Luxor: 0.1-cvs
Nic: 0.0.2-cvs (run Nic tests)
Jonah: 0.0.3-cvs (run Jonah tests)
Klutz: 0.0.1-cvs
Orator: 0.0.1-cvs
Hermes: 0.0.1-cvs
Juno: 0.1-cvs
Accounts: 3.0-cvs
Gollem: 0.0.1-cvs
Forwards: 2.2-cvs
Passwd: 2.2-cvs
Vacation: 2.2-cvs
Giapeto: 0.1-cvs (run Giapeto tests)
Midas: 0.1-cvs (run Midas tests)
Odin: 2.0-cvs
Ulaform: 0.1-cvs (run Ulaform tests)
Ansel: 0.0.1-cvs (run Ansel tests)
Scry: 0.1-cvs
Rakim: 0.0.1-cvs

and I have strang problems only with the Microsoft Browser IE.

Every time shows the Browser this error message:

Zeile: 532
Zeichen: 49
Fehler: Nicht abgeschlossene Zeichenfolgenkonstante
Code: 0
URL: https://horde/imp/mailbox.php? now_newmail_popup=1& mailbox=INBOX

Line: 532
Char:49
Error: Unterminated string constant
Code: 0
URL: https://horde/imp/mailbox.php? now_newmail_popup=1& mailbox=INBOX


Please can you help us,with this problems.