mesighs.js

    $.fn.format = function(opts){
        var o = $.extend({}, defaults.format, opts), codez = formatCodes(o.locale);
        return this.each(function(){
            var me = $(this), isinput = me.is(":input"),
                n = me[(isinput ? "val" : "text")]
            ;    
            n.call(me, formatNumber(n.call(me), o, codez));
        });
    }