Format Phone Number

I use the following code for formating phone numbers:

var fmtPhone = new AW.Formats.Number;
fmtPhone.setTextFormat("(###)###-####");

It doesn't work. Any idea?

Thanks,

Looks like you have to make your own formatting class (AW.Formats.Number is for numeric values) -

http://www.activewidgets.com/aw.system.format/valuetotext.html