Script errors in browser while trying to create PCD content

Hi all,

When I try to create PCD content after logging in, I am getting the following script errors:

Webpage error details

User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; HPNTDF; BRI/1; BRI/2; .NET4.0C)
Timestamp: Thu, 5 May 2011 15:51:32 UTC


Message: Object expected
Line: 99
Char: 62
Code: 0
URI: http://eps15.sapltc.com:50300/irj/portalapps/com.sap.portal.appdesigner.framework/scripts/menu/manipulatemenu.js

Webpage error details

User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; HPNTDF; BRI/1; BRI/2; .NET4.0C)
Timestamp: Thu, 5 May 2011 16:05:58 UTC


Message: 'null' is null or not an object
Line: 9283
Char: 2
Code: 0
URI: http://eps15.sapltc.com:50300/irj/portalapps/com.sap.portal.htmlb/jslib/sapurmapi_ie6.js

I have already enabled JS on my browser and there was no specific change made on my browser since yesterday while the portal was running fine.

Thanks,

Harika