[RFC][Icedtea-Web]: Ensure all ports entered are numeric values

[Andrew Su]

----- Original Message -----
> On 04/06/2011 09:25 AM, Andrew Su wrote:
> > And here is the file..
> 
> >> Thanks for looking it over, I've attached a version with the extra
> >> parameter removed and renamed it to getPortNumberDocument.
> 
> Looks good to me. Ok for HEAD.

Thanks for review, pushed.

Cheers,
  Andrew