Redirection html pages from logon page issue

Hi,

we have upgraded NW Portal from 7.0 to 7.3

We are using 7.3 logon war file and done the customization. our  requirement is, when we logon hrough "https://xyz.com" portal
initially html page needs to be poulate after click on login button in html page logon page will populate.

for the above requirement, we taken block of code (redirecting to html page ) from 7.0 par file , trying to include this code into the 7.3
logon war file. but we are facing errors like componentRequest cannot be resolved.

Note:redirection of html page is working in 7.0 portal.

please help me to acheive above requirement.

Thanks

Srinivas