There are some JS errors on Administrative Console Login Page

There are some JS errors when compression is ON or OFF in IE 8 with compatibility mode On or IE7. All details posted here.

Below are the error list provided by IE (I am trying to go to Polls grid after login).

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Webpage error details

User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; GTB6.4; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; InfoPath.2)
Timestamp: Mon, 31 May 2010 00:25:55 UTC

Message: Expected identifier, string or number
Line: 1079
Char: 235
Code: 0
URI: http://www.jurmala.com/SVN/5.1.x/system/cache/c_1159502181_1275265484.js

Message: 'TB' is undefined
Line: 31
Char: 1
Code: 0
URI: http://www.jurmala.com/SVN/5.1.x/admin/index.php?env=-tree:m0--1--s-

Message: Object expected
Line: 13
Char: 2
Code: 0
URI: http://www.jurmala.com/SVN/5.1.x/core/admin_templates/js/tree.js

Message: Object expected
Line: 301
Char: 2
Code: 0
URI: http://www.jurmala.com/SVN/5.1.x/core/admin_templates/js/tree.js

Message: 'Application' is undefined
Line: 359
Char: 3
Code: 0
URI: http://www.jurmala.com/SVN/5.1.x/admin/index.php?env=-tree:m0--1--s-

Message: Expected identifier, string or number
Line: 1079
Char: 235
Code: 0
URI: http://www.jurmala.com/SVN/5.1.x/system/cache/c_1159502181_1275265484.js

Message: Expected identifier, string or number
Line: 1079
Char: 235
Code: 0
URI: http://www.jurmala.com/SVN/5.1.x/system/cache/c_1159502181_1275265484.js

Message: 'TB' is undefined
Line: 30
Char: 1
Code: 0
URI: http://www.jurmala.com/SVN/5.1.x/admin/index.php?env=-in-bulletin/polls/poll_list:m0--1--s-

Message: 'TB' is undefined
Line: 31
Char: 1
Code: 0
URI: http://www.jurmala.com/SVN/5.1.x/admin/index.php?env=-head:m0--1--s-

Message: Object expected
Line: 217
Char: 3
Code: 0
URI: http://www.jurmala.com/SVN/5.1.x/admin/index.php?env=-in-bulletin/polls/poll_list:m0--1--s-

Message: 'AjaxPopupManager' is undefined
Line: 188
Char: 2
Code: 0
URI: http://www.jurmala.com/SVN/5.1.x/admin/index.php?env=-head:m0--1--s-

Message: 'ToolBar' is undefined
Line: 233
Char: 7
Code: 0
URI: http://www.jurmala.com/SVN/5.1.x/admin/index.php?env=-in-bulletin/polls/poll_list:m0--1--s-

Message: 'Application' is undefined
Line: 286
Char: 3
Code: 0
URI: http://www.jurmala.com/SVN/5.1.x/admin/index.php?env=-head:m0--1--s-

Message: 'ToolBar' is undefined
Line: 305
Char: 8
Code: 0
URI: http://www.jurmala.com/SVN/5.1.x/admin/index.php?env=-in-bulletin/polls/poll_list:m0--1--s-

Message: 'GridScrollers' is undefined
Line: 362
Char: 3
Code: 0
URI: http://www.jurmala.com/SVN/5.1.x/admin/index.php?env=-in-bulletin/polls/poll_list:m0--1--s-

Message: 'Grids' is undefined
Line: 525
Char: 2
Code: 0
URI: http://www.jurmala.com/SVN/5.1.x/admin/index.php?env=-in-bulletin/polls/poll_list:m0--1--s-

Message: 'Application' is undefined
Line: 548
Char: 3
Code: 0
URI: http://www.jurmala.com/SVN/5.1.x/admin/index.php?env=-in-bulletin/polls/poll_list:m0--1--s-