#view:
def edit_app_browser(request, app_name):
    print request.POST
    browsers = Browser.objects.all()

    app = Application.objects.get_or_create(name=app_name)[0]

    if request.POST:
        for b in browsers:
            if request.POST.get(unicode(b)) == 'Add':
                app.browsers.add(b)
            if request.POST.get(unicode(b)) == 'Remove':
                app.browsers.remove(b)

    stuff = {}
    stuff["app_name"] = app_name
    stuff['supported_browsers'] = [ b for b in app.browsers.all() ]
    stuff['not_supported_browsers'] = [ b for b in browsers if b not in app.browsers.all() ]


    return render_to_response("edit_app_browsers.html", stuff)


# template:
{% for sb in supported_browsers %}
    <form action="." method="post" id="add_form">
    "{{ app_name }}" application supports "{{ sb }}" web browser.
    <input type="submit" name="{{ sb }}" value="Remove">
     {{ sb }} web browser support.
    </form>
    <p>
{% endfor %}

{% for nsb in not_supported_browsers %}
    <form action="." method="post" id="add_form">
    "{{ app_name }}" application does not support "{{ nsb }}" web browser.
    <input type="submit" name="{{ nsb }}" value="Add">
     {{ nsb }} web browser support.
    </form>
    <p>
{% endfor %}