/**
* Client side validation entry point.
*
* If form is valid a 'please wait' screen is triggered.
*/
function isFormValid() {
    var nameValid = isNameValid();
    var emailValid = isEmailValid();
    var mobileValid = isMobileValid();
    var dateValid = isDateValid();

    if (nameValid && emailValid && dateValid) {
        ShowHideContent('pleasewaitblock', 'ctl00_MainContent_mainBlock');
        ShowHideContent('pleasewaitblock', 'renewaldiv');
        return true;
    }
    else {
        return false;
    }
}

/**
* Client side validation for the Name field.
*
* Displays an animated bubble pop-up with msg if field is invalid.
*/
function isNameValid() {
    var name = document.getElementById('ctl00_MainContent_NameTextBox').value;

    if (name == null
		        || name == "") {
        $("div.nameInput").find("div").stop()
                .animate({ left: "391", opacity: 1 }, "fast")
                .css("display", "block");
        return false;
    }
    else {
        $("div.nameInput").find("div").stop()
                .animate({ left: "0", opacity: 0 }, "fast");
        return true;
    }
}

/**
* Client side validation for the Email field.
*
* Displays an animated bubble pop-up with msg if field is invalid.
*/
function isEmailValid() {
    var emailAd = document.getElementById('ctl00_MainContent_EmailTextBox').value;

    if (emailAd == null
		        || emailAd == ""
		        || echeck(emailAd) == false) {
        $("div.emailInput").find("div").stop()
                .animate({ left: "391", opacity: 1 }, "fast")
                .css("display", "block");
        return false;
    }
    else {
        $("div.emailInput").find("div").stop()
                .animate({ left: "0", opacity: 0 }, "fast");
        return true;
    }
}

/**
* Client side validation for the Mobile field.
*
* Displays an animated bubble pop-up with msg if field is invalid.
*/
function isMobileValid() {
    var name = document.getElementById('ctl00_MainContent_MobileNumberTextbox').value;

    if (name == null
		        || name == "") {
        $("div.mobileInput").find("div").stop()
                .animate({ left: "391", opacity: 1 }, "fast")
                .css("display", "block");
        return false;
    }
    else {
        $("div.mobileInput").find("div").stop()
                .animate({ left: "0", opacity: 0 }, "fast");
        return true;
    }
}

/**
* Client side validation for the RenewalDate field.
*
* Displays an animated bubble pop-up with msg if field is invalid.
*/
function isDateValid() {
    var date = document.getElementById('ctl00_MainContent_DatePicker').value;

    if (date == null
		        || date == ""
		        || isDate(date) == false) {
        $("div.taxiInsuranceRenewalDate").find("div").stop()
                .animate({ left: "323", opacity: 1 }, "fast")
                .css("display", "block");
        return false;
    }
    else {
        $("div.taxiInsuranceRenewalDate").find("div").stop()
                .animate({ left: "0", opacity: 0 }, "fast");
        return true;
    }
}

/**
* DHTML email validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
*/
function echeck(str) {
    var at = "@"
    var dot = "."
    var lat = str.indexOf(at)
    var lstr = str.length
    var ldot = str.indexOf(dot)

    if (str.indexOf(at) == -1) {
        return false
    }
    if (str.indexOf(at) == -1 || str.indexOf(at) == 0 || str.indexOf(at) == lstr) {
        return false
    }
    if (str.indexOf(dot) == -1 || str.indexOf(dot) == 0 || (str.indexOf(dot) + 1) == lstr) {
        return false
    }
    if (str.indexOf(at, (lat + 1)) != -1) {
        return false
    }
    if (str.substring(lat - 1, lat) == dot || str.substring(lat + 1, lat + 2) == dot) {
        return false
    }
    if (str.indexOf(dot, (lat + 2)) == -1) {
        return false
    }
    if (str.indexOf(" ") != -1) {
        return false
    }

    return true
}

/**
* DHTML date validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
*/
// Declaring valid date character, minimum year and maximum year
var dtCh = "/";
var minYear = 2009;
var maxYear = 2100;
function isInteger(s) {
    var i;
    for (i = 0; i < s.length; i++) {
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}
function stripCharsInBag(s, bag) {
    var i;
    var returnString = "";
    // Search through string's characters one by one. If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++) {
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}
function daysInFebruary(year) {
    // February has 29 days in any year evenly divisible by four, EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ((!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28);
}
function DaysArray(n) {
    for (var i = 1; i <= n; i++) {
        this[i] = 31
        if (i == 4 || i == 6 || i == 9 || i == 11) { this[i] = 30 }
        if (i == 2) { this[i] = 29 }
    }
    return this
}
function isDate(dtStr) {
    var daysInMonth = DaysArray(12)
    var pos1 = dtStr.indexOf(dtCh)
    var pos2 = dtStr.indexOf(dtCh, pos1 + 1)
    var strDay = dtStr.substring(0, pos1)
    var strMonth = dtStr.substring(pos1 + 1, pos2)
    var strYear = dtStr.substring(pos2 + 1)
    var now = new Date();

    strYr = strYear
    if (strDay.charAt(0) == "0" && strDay.length > 1) strDay = strDay.substring(1)
    if (strMonth.charAt(0) == "0" && strMonth.length > 1) strMonth = strMonth.substring(1)
    for (var i = 1; i <= 3; i++) {
        if (strYr.charAt(0) == "0" && strYr.length > 1) strYr = strYr.substring(1)
    }
    month = parseInt(strMonth)
    day = parseInt(strDay)
    year = parseInt(strYr)
    if (pos1 == -1 || pos2 == -1) {
        return false
    }
    if (strMonth.length < 1 || month < 1 || month > 12) {
        return false
    }
    if (strDay.length < 1 || day < 1 || day > 31 || (month == 2 && day > daysInFebruary(year)) || day > daysInMonth[month]) {
        return false
    }
    if (strYear.length != 4 || year == 0 || year < minYear || year > maxYear) {
        return false
    }
    if (dtStr.indexOf(dtCh, pos2 + 1) != -1 || isInteger(stripCharsInBag(dtStr, dtCh)) == false) {
        return false
    }
    if (year <= now.getFullYear() && month <= (now.getMonth() + 1) && day <= now.getDate()) {
        return false
    }

    return true
}