netbeans classpath

i fail in running a servlet
i get error messages:

jpackage avax.servlet does not exist

package javax.servlet.http does not exist

i found general servlet jar at:
C:\Program Files\NetBeans 7.1\ide\modules\locale
C:\Program Files\NetBeans 7.1\ide\modules\ext
C:\Program Files\NetBeans 7.1\ide\modules
C:\Program Files\NetBeans 7.1\ide\update_tracking
C:\Program Files\NetBeans 7.1\ide\config\Modules

were in the netbeans i write the class or jar path to enable compilation or were do i get the missing packages

Don't people ever read the extensive NetBeans online help?

Look in the project properties dialog.

db