class IntegerCurrencyInput(forms.TextInput):
    def render(self, name, value, attrs=None):
        from django.contrib.humanize.templatetags.humanize import intcomma
        if value:
            value = "$%s" % intcomma(value)
        return super(IntegerCurrencyInput, self).render(name, value, attrs)

class IntegerCurrencyField(forms.IntegerField):
    widget = IntegerCurrencyInput
    
    def clean(self, value):
        if value:
            if value[0] == "$": value = value[1:] # Cut off the dollar sign
            value = value.replace(',', '') # Remove Commas
        value = super(IntegerCurrencyField, self).clean(value)
        return int(value) if value else value