function Division() {
    Element.apply(
        this,
        ["division"]
    );
    this.title = new Element("division_title");
    this.title.selectedClassName = "coop_select";
    this.title.normalClassName = "coop";
    Division.prototype.switchDisplay = function(id) {
        this.title.switchClassName(id);
        Element.prototype.switchDisplay.apply(
            this,
            [id]
        );
        return false;
    }
}
var division = new Division();
function City() {
    Division.apply(this);
    City.prototype.switchDisplay = function(
        division_id,
        id
    ) {
        Element.prototype.switchDisplay.apply(
            this,
            [division_id + "_" + id]
        );
        return false;
    }
}
var city = new City();