var Criteria = Class.create();

Object.extend(Criteria.prototype, {
    initialize: function() {
        this.options = $H({
            departureAirport:"",
            destinationAirport:"",
            departureDay:0,
            departureMonth:0,
            deptime:0,
            returnDay:0,
            returnMonth:0,
            arrtime:0,
            tripType:0,
            age:"ad",
            numAdults:0,
            cabin:"e"
        });
    },

    setOption: function(name, value) {
        this.options[name] = value;
    },

    toQueryString: function() {
        return this.options.toQueryString();
    }
});