Adding the extra tab for the contact screen in 5.5

[sn1405]

Hi,

I modify the contact screen by directly using the contactmanager,commoncontact and the contactNav XSL flies.I took a copy of these xsl files then I did the modiications in that file.
please tell me How to add the 2 tabs by using the xsl files.In that I want the 6 textboxs for 1 tab and in the another tab I want 1 textarea field.

Thanks