Applying for B1/B2 US visitor visa

Hi everyone,

I am a resident of Canada and will be applying for US visa soon, because my employer wants to send me for technical training.

last time i was refused bcaz the officer said that i didnt have much work experience (only had 2 months experience and was new in the company).
Now i have 1+ year of experience with same employer and same employer wants me to get US visa.

could anyone help me out and tell me what kind of documents would help me to show that i only wish to go there for professional training.

i have the training schedule dates/company location, etc.
I can have my boss send me an email telling me to apply for a usa visa.

what should be the format of job letter, etc?
i also have pay slips, etc....

any helpful advice would be highly appreciated.....

Check the requirements in the following website:

http://www.amcits.com/visas.asp#business

Regards

Rogerio