def connect(self, signame, dest, func=None):
        self.add_javascript('connect("%s", "%s", %s);' % (self.id, signame, dest))
http://mochikit.com/doc/html/MochiKit/Signal.html#fn-connect
dataset/ETHPy150Open kdart/pycopia/WWW/pycopia/WWW/XHTML.py/FlowMixin.connect