cordova - How to set environment for Blackberry Phonegap? -

i tried procedure in http://docs.phonegap.com/en/2.0.0/guide_getting-started_blackberry_index.md.html#getting%20started%20with%20blackberry cant set apache ant please me set environment. , guide to develop application

steps:

1. install webworks sdk
2. install ant , set environment variable path of bin folder. link:http://ant.apache.org/bindownload.cgi

3. register signing keys link:https://developer.blackberry.com/html5/documentation/signing_setup_smartphone_apps_1920010_11.html

   3.1 paste signing keys c:\program files (x86)\research in motion\blackberry webworks sdk 2.3.1.5\bin 3.2 install key command prompt command (java -jar signaturetool.jar [csi file name].csi) bin folder.

4. build project project folder command (ant blackberry build).
5. run project project folder command (ant blackberry load-simulator).