if (param._name.equals(name)) { return param._value; }
if (param._name.equals(name)) return param._value;
    public final Object getParameter(String name) {	for (int i = pframe - 1; i >= pbase; i--) {	    final Parameter param = (Parameter)paramsStack.elementAt(i);	    if (param._name.equals(name)) {		return param._value;	    }	}	return null;    }