MSS : Flexible appraisal document

hi all,

i am using NW 7.0

in MSS talent management -> performance management we are using Flexible appraisal document.By default Predefined Appraisal doc is coming how can i replace it with predefined.page com.sap.pct.erp.mss.14.generic_performance_management is working fine,but i am not getting how to change predefined to flexible on portal.

plz suggest.

thanks & regards,

Aashima