'Represent a (key, value) as hypertext link.
@param k: the key
@param v: the representation of the key
@param row: the row with this key (unused here)'

@staticmethod
def link(k, v, row=None):

    if (k is None):
        return '-'
    settings = current.deployment_settings
    iheight = settings.get_gis_map_selector_height()
    popup = settings.get_gis_popup_location_link()
    return A(v, _style='cursor:pointer;cursor:hand', _onclick=("s3_viewMap(%i,%i,'%s');return    false" % (k, iheight, popup)))
