def get_url_field():
    """
    This should be compatible with both django 1.3, 1.4 and 1.5
    In 1.5 the verify_exists argument is removed and always False
    """
    from django.forms import URLField
    field = URLField()
    try:
        field = URLField(verify_exists=False)
    except TypeError as e:
        pass
    return field
