def __init__(self, product_class):
WebParser.__init__(self,"Amazon",product_class)
def __init__(self, product_class):
WebParser.__init__(self,"360Buy",product_class)
def __init__(self, product_class):
WebParser.__init__(self,"newegg",product_class)
def __init__(self, product_class):
WebParser.__init__(self,"DangDang",product_class)
