It is someway difficult for me to follow the help contents due to its minimal font size and the imposibility of change it. Thanks for all.
Product Version = NetBeans IDE 7.0 (Build 201104080000)
Operating System = Windows Vista version 6.0 running on x86
Java; VM; Vendor = 1.6.0_20
Runtime = Java HotSpot(TM) Client VM 16.3-b01