[Javascript] thousand separator

[Shawn Milo]

Well, I figured that there's no need to pass or 
figure out the delimiter for the decimal point, 
because we're never adding one, just observing
its position.

As for the comma versus period thou delimiter,
I just decided to default to the period, and 
change it to a comma if the browser is reporting
'us-en' (case insensitive).

Thanks to Hakan, David, Paul, Hassan, and Flavio
for providing the pieces to this.  I just put
your ideas together to create this.

Shawn



Okay, here's the gravy:

         function addCommas_skm(someNum){

            var strThou = '.';
            var usTest = navigator.systemLanguage + '' + navigator.language;

            if (usTest.match(/en-us/i)){ strThou = ',';}

            while (someNum.match(/^\d\d{3}/)){
               someNum = someNum.replace(/(\d)(\d{3}(\.|,|$))/, '$1' + strThou + '$2');
            }
            return someNum;
         }