function objCaptcha() {
    var form = null;
    this.setForm = function(fform) {
        form = fform;
        return this;
    }
    this.execute = function() {
        $(form+' input[type=submit]').mouseover(function(){
            $(form+' .field-captcha').val(getCode())
        });
        $(form).submit(function(){if (!$(form+' .field-captcha').val()) return false;});
    }
    function getCode() {
        return getCode1()+getCode2()+getCode3()+getCode4();
    }
    function getCode1() {
        return false? 'ZY'+'NS'+'whBS'+'sU' : '';
    }
    function getCode2() {
        var part1 = 'ZY';
        var part2 = 'NS'
        return part1 + part2;
    }
    function getCode3() {
        return 'whBS'+'sU';
    }
    function getCode4() {
        var code3 = (3+45)*429/2
        code3 += 45;
        code3 = code3*429;
        code3 = code3/2;
        return code3;
    }

}