How to print an HTML document....

Good morning to everyone...

I'm an Italian programmer, and I have a problem.
I need to know if is possible, and if it, how I can Print a web page
using a button inside the web page it-self, without pressing "Print"
browser button...
In short, I have to made a button who allows to print my page to the
printer.
I'm going sligtly mad finding a solution..... please, HELP ME!!!

Indolfi Carlo