IBM VIOS POWERVM IVM error

Hi,

When I try to login on my vios ivm website http://vios through the browser -- all three of them -- firefox , chrome , Internet Explorer , i get this error

http://vioserver/j_security_check

I have java installed on the machine from where i am trying to open up the IVM/VIOS webpage.

I have googled for this error but no luck. Anyone have a clue about this error