Combined AS-Birthday frontpage test

gistfile1.js

/*jslint browser:true */
/*global  $*/
(function () {
    "use strict";
    var multiAR, genderField, tomorrowField, childNameField, defaultAR, getGender, changeAR, titleCaseHandler, pluralHandler;
    //******************************
    // Settings
    //******************************
    multiAR		=	'XXXXXX';	//Multi-Child Autoresponder ID Number
    tomorrowField	=	'#field7';	//Field that holds tomorrow's date
    genderField		=	'#field8';	//The select element for Boy/Girl/Multi
    childNameField	=	'#field9';	//Birthday child(ren)'s name field
    //******************************
    // Party on...
    //******************************

    String.prototype.toTitleCase = function () {
        return this.replace(/([\w&`'‘’"“.@:\/\{\(\[<>_]+-? *)/g, function (match, p1, index, title) {
            if (index > 0 && title.charAt(index - 2) !== ":" && match.search(/^(a(nd?|s|t)?|b(ut|y)|en|for|i[fn]|o[fnr]|t(he|o)|vs?\.?|via)[ \-]/i) > -1) {
                return match.toLowerCase();
            }
            if (title.substring(index - 1, index + 1).search(/['"_{(\[]/) > -1) {
                return match.charAt(0) + match.charAt(1).toUpperCase() + match.substr(2);
            }
            if (match.substr(1).search(/[A-Z]+|&|[\w]+[._][\w]+/) > -1 || title.substring(index - 1, index + 1).search(/[\])}]/) > -1) {
                return match;
            }
            return match.charAt(0).toUpperCase() + match.substr(1);
        });
    };

    function toProperCase(s) {
        return s.toTitleCase();
    }

    function checkPlural(s) {
        var amp1 = "&";
        s = s.replace(amp1, "and");
        $(childNameField).val(s);
        s = s.toLowerCase();
        if (s.indexOf(' and ') > 0 || s.indexOf('&') > 0 || s.indexOf(',') > 0) {
            return true;
        }
        return false;
    }

    defaultAR = $("#defaultar").val();
    getGender = function () {
        return $(genderField).val();
    };

    changeAR = function () {
        var option = getGender();
        switch (option) {
        case "boy":
            $("#defaultar").val(defaultAR);
            break;
        case "girl":
            $("#defaultar").val(defaultAR);
            break;
        case "multi":
            $("#defaultar").val(multiAR);
            break;
        case "0":
            $("#defaultar").val(defaultAR);
            break;
        default:
            $("#defaultar").val(defaultAR);
        }
    };

    titleCaseHandler = function () {
        $(this).val(toProperCase($(this).val()));
    };

    pluralHandler = function () {
        if (checkPlural($(this).val())) {
            $(genderField).val("multi").change();
        }
    };

    function tomorrow() {
        var currentDate, day, month, year;
        currentDate = new Date(new Date().getTime() + 24 * 60 * 60 * 1000);
        if (currentDate.getDate() < 10) {
            day = "0" + currentDate.getDate();
        } else {
            day = currentDate.getDate();
        }
        if ((currentDate.getMonth() + 1) < 10) {
            month = "0" + (currentDate.getMonth() + 1);
        } else {
            month = currentDate.getMonth() + 1;
        }
        year = currentDate.getFullYear();
        return month + "/" + day + "/" + year;
    }

    $(genderField).change(changeAR);
    $("#Name").change(titleCaseHandler);
    $(childNameField).change(titleCaseHandler);
    $(childNameField).change(pluralHandler);
    $(tomorrowField).val(tomorrow());
}());