Outlook Web Access has encountered a Web browsing error

In OWA when a user clicks on their Calendar IE looks like it is processing
the information but nothing is displayed and then IE hangs consuming CPU.
Some times an error message pops up stating, “Outlook Web Access has
encountered a Web browsing error” with a link to show the error report.
Clicking on “Show Report” will then hang IE like described before. By right
clicking and the calendar and select open in a new tab still causes the error
but IE does not hang and the report can be shown.

4 users have reported this issue, many users are not experiencing this, and
in the report the error message and url is the same for each…
errorMessage = 'divFH' is undefined
errorUrl =
https://webmail.interiorhealth.ca/owa/<UserName>@interiorhealth.ca/8.1.393.1/scripts/premium/cdayvw.js
(Where <UserName> is the email address of one of the users)

Environment details…
Exchange 2007 SP1 Rollup 9 on Windows Server 2003 64bit R2 SP 2
Server count… 2 Edge, 2 HT, 2 CAS, 3 Mailbox

Work around in place...
1) Users can go directly to that folder by appendin
"?cmd=contents&module=calendar" to their OWA URL
2) Or use OWA Light

Trouble shooting done so far...
rebuild calendar following the instructions in the forrum post
"http://social.technet.microsoft.com/Forums/en-US/exchangesvradmin/thread/613c1bd7-da7b-4d8f-a01d-3e1bad2927d3";

An example of the rest of the error report is as follows…
Client Information
------------------
User Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0;
..NET CLR 1.1.4322; .NET CLR 2.0.50727; InfoPath.2; MS-RTC LM 8; .NET CLR
3.0.4506.2152; .NET CLR 3.5.30729; OfficeLiveConnector.1.3;
OfficeLivePatch.0.0)
CPU Class: x86
Platform: Win32
System Language: en-us
User Language: en-ca
CookieEnabled: true
Mime Types:

Exception Details
-----------------
Date: Fri Aug 21 09:57:39 PDT 2009
Message: 'divFH' is undefined
Url:
https://webmail.interiorhealth.ca/owa/<UserName>@interiorhealth.ca/8.1.393.1/scripts/premium/cdayvw.js
Line: 1

Call Stack
----------
onWL()
tryWLd()
chkScrpts()
window.onload()


Dump Event
----------
recordset = null
type = error
fromElement = null
toElement = null
altLeft = false
keyCode = 0
repeat = false
reason = 0
data =
behaviorCookie = 0
source = null
contentOverflow = false
behaviorPart = 0
url =
dataTransfer = null
ctrlKey = false
shiftLeft = false
dataFld =
returnValue = undefined
qualifier =
wheelDelta = 0
bookmarks = null
button = 0
srcFilter = null
nextPage =
cancelBubble = false
x = 0
y = 0
srcElement = null
screenX = 1418
screenY = 278
srcUrn =
origin =
boundElements = [object]
clientX = 134
clientY = 155
propertyName =
shiftKey = false
ctrlLeft = false
offsetX = 0
offsetY = 0
altKey = false
errorMessage = 'divFH' is undefined
errorUrl =
https://webmail.interiorhealth.ca/owa/<UserName>@interiorhealth.ca/8.1.393.1/scripts/premium/cdayvw.js
errorLine = 1
errorCharacter = 1701
errorCode = 0

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