diferences between ep5 and ep6 developing

i develope an iView with Eclipse in Java (with bean and jsp) for the employes management, in the ep5, i had to import the following library :

com.sapportals.htmlb.*;

com.sapportals.htmlb.event.*;

com.sapportals.htmlb.page.*;

com.sapportals.htmlb.table.*;

com.sapportals.htmlb.portal.htmlb.page.*;

com.sapportals.htmlb.portal.prt.component.*;

with must i use in the ep6?

these library are no more supported in it...

can somebody help me?