var strErrorColor = 'Red';
var strBGErrorColor = '#ffe6e6';
var strNormalColor = '#000000';

function validateForm() {
    var blnError = false;
    if (document.getElementById(prefix + 'txtFirstName').value <= '' || document.getElementById(prefix + 'txtFirstName').value == 'First Name') {
        document.getElementById(prefix + 'txtFirstName').style.backgroundColor = strBGErrorColor;
        blnError = true;
    }
    else
        document.getElementById(prefix + 'txtFirstName').style.color = strNormalColor;

    if (document.getElementById(prefix + 'txtLastName').value <= '' || document.getElementById(prefix + 'txtLastName').value == 'Surname') {
        document.getElementById(prefix + 'txtLastName').style.backgroundColor = strBGErrorColor;
        blnError = true;
    }
    else
        document.getElementById(prefix + 'txtLastName').style.color = strNormalColor;

    if (document.getElementById(prefix + 'txtEmail').value <= '' || document.getElementById(prefix + 'txtEmail').value == 'Email Address') {
        document.getElementById(prefix + 'txtEmail').style.backgroundColor = strBGErrorColor;
        blnError = true;
    }
    else {
        if (!isEmail(document.getElementById(prefix + 'txtEmail').value)) {
            document.getElementById(prefix + 'txtEmail').style.backgroundColor = strBGErrorColor;
            blnError = true;
        }
        else
            document.getElementById(prefix + 'txtEmail').style.color = strNormalColor;
    }

    if (document.getElementById(prefix + 'txtContactPhone').value <= '' || document.getElementById(prefix + 'txtContactPhone').value == 'Contact No.') {
        document.getElementById(prefix + 'txtContactPhone').style.backgroundColor = strBGErrorColor;
        blnError = true;
    }
    else {
        if (replaceAll(document.getElementById(prefix + 'txtContactPhone').value).search("^[0-9]{10}$|^\(0[1-9]{1}\)[0-9]{8}$|^[0-9]{8}$|^[0-9]{4}[ ][0-9]{3}[ ][0-9]{3}$|^\(0[1-9]{1}\)[ ][0-9]{4}[ ][0-9]{4}$|^[0-9]{4}[ ][0-9]{4}$") == -1) {
            document.getElementById(prefix + 'txtContactPhone').style.backgroundColor = strBGErrorColor;
            blnError = true;
        }
        else
            document.getElementById(prefix + 'txtContactPhone').style.color = strNormalColor;
    }

    if (document.getElementById(prefix + 'txtPostcode').value <= '' || document.getElementById(prefix + 'txtPostcode').value == 'Postcode') {
        document.getElementById(prefix + 'txtPostcode').style.backgroundColor = strBGErrorColor;
        blnError = true;
    }
    else {
        document.getElementById(prefix + 'txtPostcode').style.color = strNormalColor;
    }

    /*
    if (document.getElementById(prefix + 'lstSuburb').value <= '') {
    document.getElementById(prefix + 'lstSuburb').style.color = strErrorColor;
    blnError = true;
    }
    else
    document.getElementById(prefix + 'lstSuburb').style.color = strNormalColor;
    */
    if (document.getElementById(prefix + 'lstLoanPurpose').selectedIndex <= 0) {
        $('#' + prefix + 'lstLoanPurpose').selectbox("detach");
        $('#' + prefix + 'lstLoanPurpose').selectbox({classSelector: "sbSelectorRed"});
        blnError = true;
    }

    if (document.getElementById(prefix + 'lstLoanPurpose').value == 'First Home Buyer') {
        if (document.getElementById(prefix + 'lstDeposit').value <= '') {
            $('#' + prefix + 'lstDeposit').selectbox("detach");
            $('#' + prefix + 'lstDeposit').selectbox({ classSelector: "sbSelectorRed", onChange: function (val, inst) { checkDeposit(val,inst); } });
            blnError = true;
        }
        if (document.getElementById(prefix + 'lstDeposit').value == 'Yes' && (document.getElementById(prefix + 'lstSixMonths').value <= "")) {
            $('#' + prefix + 'lstSixMonths').selectbox("detach");
            $('#' + prefix + 'lstSixMonths').selectbox({ classSelector: "sbSelectorRed", onChange: function (val, inst) { changeBGSelect(inst); } });
            blnError = true;
        }
        else {
            document.getElementById(prefix + 'lstSixMonths').style.color = strNormalColor;
        }
    }
    if (document.getElementById(prefix + 'lstHouseholdIncome').value <= '') {
        $('#' + prefix + 'lstHouseholdIncome').selectbox("detach");
        $('#' + prefix + 'lstHouseholdIncome').selectbox({ classSelector: "sbSelectorRed", onChange: function (val, inst) { changeBGSelect(inst); } });

        blnError = true;
    }
    if (document.getElementById(prefix + 'lstCreditHistory').value <= '') {
        $('#' + prefix + 'lstCreditHistory').selectbox("detach");
        $('#' + prefix + 'lstCreditHistory').selectbox({ classSelector: "sbSelectorRed", onChange: function (val, inst) { changeBGSelect(inst); } });
        blnError = true;
    }

    if (document.getElementById(prefix + 'txtLoanAmount').value <= '' || document.getElementById(prefix + 'txtLoanAmount').value == "Loan Amount") {
        document.getElementById(prefix + 'txtLoanAmount').style.backgroundColor = strBGErrorColor;
        blnError = true;
    }
    else {
        var fltLoanAmount = parseFloat(replaceAll(document.getElementById(prefix + 'txtLoanAmount').value, ',', ''));
        if (fltLoanAmount < (dblMinLoanAmount - 1)) {
            document.getElementById(prefix + 'txtLoanAmount').style.backgroundColor = strBGErrorColor;
            blnError = true;
        }
        else
            document.getElementById(prefix + 'txtLoanAmount').style.color = strNormalColor;
    }
    if (!blnError) {
        document.getElementById('divError').style.visibility = 'hidden';
        return true;
    }
    else {
        document.getElementById('divError').style.visibility = 'visible';
        return false;
    }
}

function validateFormInsurance() {
    var blnError = false;
    if (document.getElementById(prefix + 'txtFirstName').value <= '' || document.getElementById(prefix + 'txtFirstName').value == "First Name:") {
        document.getElementById(prefix + 'txtFirstName').style.backgroundColor = strBGErrorColor;
        blnError = true;
    }
    else
        document.getElementById(prefix + 'txtFirstName').style.color = strNormalColor;

    if (document.getElementById(prefix + 'txtLastName').value <= '' || document.getElementById(prefix + 'txtLastName').value == "Surname:") {
        document.getElementById(prefix + 'txtLastName').style.backgroundColor = strBGErrorColor;
        blnError = true;
    }
    else
        document.getElementById(prefix + 'txtLastName').style.color = strNormalColor;

    if (document.getElementById(prefix + 'txtEmail').value <= '' || document.getElementById(prefix + 'txtEmail').value == "Email:") {
        document.getElementById(prefix + 'txtEmail').style.backgroundColor = strBGErrorColor;
        blnError = true;
    }
    else {
        if (!isEmail(document.getElementById(prefix + 'txtEmail').value)) {
            document.getElementById(prefix + 'txtEmail').style.backgroundColor = strBGErrorColor;
            blnError = true;
        }
        else
            document.getElementById(prefix + 'txtEmail').style.backgroundColor = strBGErrorColor;
    }

    if (document.getElementById(prefix + 'txtContactPhone').value <= '' || document.getElementById(prefix + 'txtContactPhone').value == "Contact No.:") {
        document.getElementById(prefix + 'txtContactPhone').style.backgroundColor = strBGErrorColor;
        blnError = true;
    }
    else {
        if (replaceAll(document.getElementById(prefix + 'txtContactPhone').value).search("^[0-9]{10}$|^\(0[1-9]{1}\)[0-9]{8}$|^[0-9]{8}$|^[0-9]{4}[ ][0-9]{3}[ ][0-9]{3}$|^\(0[1-9]{1}\)[ ][0-9]{4}[ ][0-9]{4}$|^[0-9]{4}[ ][0-9]{4}$") == -1) {
            document.getElementById(prefix + 'txtContactPhone').style.backgroundColor = strBGErrorColor;
            blnError = true;
        }
        else
            document.getElementById(prefix + 'txtContactPhone').style.color = strNormalColor;
    }

    if (document.getElementById(prefix + 'txtPostcode').value <= '' || document.getElementById(prefix + 'txtPostcode').value == "Postcode:") {
        document.getElementById(prefix + 'txtPostcode').style.backgroundColor = strBGErrorColor;
        blnError = true;
    }
    else {
        document.getElementById(prefix + 'txtPostcode').style.color = strNormalColor;
    }
    if (document.getElementById(prefix + 'lstSuburb').value <= '') {
        document.getElementById(prefix + 'lstSuburb').style.backgroundColor = strBGErrorColor;
        blnError = true;
    }
    else
        document.getElementById(prefix + 'lstSuburb').style.color = strNormalColor;

    if (document.getElementById(prefix + 'lstGender').value <= '' || document.getElementById(prefix + 'lstGender').value == "Gender:") {
        $('#' + prefix + 'lstGender').selectbox("detach");
        $('#' + prefix + 'lstGender').selectbox({ classHolder: "sbHolderSmall", classOptions: "sbOptionsSmall", classSelector: "sbSelectorSmallRed", onChange: function (val, inst) { changeBGSelectSmall(inst); } });
        blnError = true;
    }
    if (document.getElementById(prefix + 'lstSmoker').value <= '' || document.getElementById(prefix + 'lstSmoker').value == "Smoker:") {
        $('#' + prefix + 'lstSmoker').selectbox("detach");
        $('#' + prefix + 'lstSmoker').selectbox({ classHolder: "sbHolderSmall", classOptions: "sbOptionsSmall", classSelector: "sbSelectorSmallRed", onChange: function (val, inst) { changeBGSelectSmall(inst); } });
        blnError = true;
    }

    if (!blnError) {
        document.getElementById('divError').style.visibility = 'hidden';
        return true;
    }
    else {
        document.getElementById('divError').style.visibility = 'visible';
        return false;
    }
}


function checkLP(val) {
    $('#' + prefix + 'lstLoanPurpose').selectbox("detach");
    $('#' + prefix + 'lstLoanPurpose').selectbox({ classSelector: "sbSelector" });
    if (val == "First Home Buyer" || val == "Pre Approval" || val == "Building") {
        document.getElementById('trDeposit').style.display = '';
    }
    else {
        document.getElementById('trDeposit').style.display = 'none';
    }
    reverseZIndex();
}

function changeBGSelect(inst) {
    $('#' + inst.id).selectbox("detach");
    $('#' + inst.id).selectbox({ classSelector: "sbSelector", onChange: function (val, inst) { changeBGSelectSmall(inst); }});
}

function changeBGSelectSmall(inst) {
    $('#' + inst.id).selectbox("detach");
    $('#' + inst.id).selectbox({ classHolder: "sbHolderSmall", classOptions: "sbOptionsSmall", classSelector: "sbSelectorSmall", onChange: function (val, inst) { changeBGSelectSmall(inst); } });
}

function checkDeposit(val,inst) {
    if (val == "Yes") {
        document.getElementById('trSixMonths').style.display = '';
    }
    else {
        document.getElementById('trSixMonths').style.display = 'none';
    }
    $('#' + inst.id).selectbox("detach");
    $('#' + inst.id).selectbox({ classSelector: "sbSelector", onChange: function (val, inst) { checkDeposit(val, inst); } });
    reverseZIndex();
}

function populate(obj, val) {
    if (obj.value.length <= 0)
        obj.value = val;
}

function clearField(obj, val) {
    if (obj.value == val) {
        obj.value = '';
    }
}

function changeFont(obj) {
    obj.style.color = strNormalColor;
}

function updateSuburbs(val) 
{
    objSelect = $('#' + prefix + 'lstSuburb');
    objSelect.empty();
    if (val.length >= 4) 
    {
        var randomnumber = Math.floor(Math.random() * 99999999)
        var xmlObj = getXMLDocument('/ajax/suburb_lookup.aspx?input=' + val + '&rnd=' + randomnumber);
        if (xmlObj.childNodes.length > 0) 
        {
            var nodes = xmlObj.getElementsByTagName("rs");
            if (nodes.length > 0) 
            {
                for (var i = 0; i < nodes.length; i++) 
                {
                    objSelect.append($("<option></option>").attr("value", nodes[i].childNodes[0].nodeValue + ' - ' + nodes[i].getAttribute('state')).text(nodes[i].childNodes[0].nodeValue + ' - ' + nodes[i].getAttribute('state')));
                }
                objSelect.selectbox("detach");
                objSelect.selectbox({ classHolder: "sbHolderSmall", classOptions: "sbOptionsSmall" });
            }
            else 
            {
                objSelect.append($("<option></option>").attr("value", "").text("No match"));
                objSelect.selectbox("detach");
                objSelect.selectbox({ classHolder: "sbHolderSmall", classOptions: "sbOptionsSmall" }).selectbox("disable");
            }
        }
        else 
        {
                objSelect.append($("<option></option>").attr("value", "").text("No match"));
                objSelect.selectbox("detach");
                objSelect.selectbox({ classHolder: "sbHolderSmall", classOptions: "sbOptionsSmall" }).selectbox("disable"); 
        }
    }
}

function validateContactForm() {
    var blnError = false;
    if (document.getElementById(prefix + 'txtFirstName').value <= '' || document.getElementById(prefix + 'txtFirstName').value == 'First Name') {
        document.getElementById(prefix + 'txtFirstName').style.backgroundColor = strBGErrorColor;
        blnError = true;
    }
    else
        document.getElementById(prefix + 'txtFirstName').style.color = strNormalColor;

    if (document.getElementById(prefix + 'txtLastName').value <= '' || document.getElementById(prefix + 'txtLastName').value == 'Surname') {
        document.getElementById(prefix + 'txtLastName').style.backgroundColor = strBGErrorColor;
        blnError = true;
    }
    else
        document.getElementById(prefix + 'txtLastName').style.color = strNormalColor;

    if (document.getElementById(prefix + 'txtEmail').value <= '' || document.getElementById(prefix + 'txtEmail').value == 'Email Address') {
        document.getElementById(prefix + 'txtEmail').style.backgroundColor = strBGErrorColor;
        blnError = true;
    }
    else {
        if (!isEmail(document.getElementById(prefix + 'txtEmail').value)) {
            document.getElementById(prefix + 'txtEmail').style.backgroundColor = strBGErrorColor;
            blnError = true;
        }
        else
            document.getElementById(prefix + 'txtEmail').style.color = strNormalColor;
    }

    if (document.getElementById(prefix + 'txtContactPhone').value <= '' || document.getElementById(prefix + 'txtContactPhone').value == 'Contact No.') {
        document.getElementById(prefix + 'txtContactPhone').style.backgroundColor = strBGErrorColor;
        blnError = true;
    }
    else {
        if (replaceAll(document.getElementById(prefix + 'txtContactPhone').value).search("^[0-9]{10}$|^\(0[1-9]{1}\)[0-9]{8}$|^[0-9]{8}$|^[0-9]{4}[ ][0-9]{3}[ ][0-9]{3}$|^\(0[1-9]{1}\)[ ][0-9]{4}[ ][0-9]{4}$|^[0-9]{4}[ ][0-9]{4}$") == -1) {
            document.getElementById(prefix + 'txtContactPhone').style.backgroundColor = strBGErrorColor;
            blnError = true;
        }
        else
            document.getElementById(prefix + 'txtContactPhone').style.color = strNormalColor;
    }

    if (document.getElementById(prefix + 'txtPostcode').value <= '' || document.getElementById(prefix + 'txtPostcode').value == 'Postcode') {
        document.getElementById(prefix + 'txtPostcode').style.backgroundColor = strBGErrorColor;
        blnError = true;
    }
    else {
        document.getElementById(prefix + 'txtPostcode').style.color = strNormalColor;
    }

    if (!blnError) {
        document.getElementById('divError').style.visibility = 'hidden';
        return true;
    }
    else {
        document.getElementById('divError').style.visibility = 'visible';
        return false;
    }
}

function isEmail(argvalue) {

    if (argvalue.indexOf(" ") != -1)
        return false;
    else if (argvalue.indexOf("@") == -1)
        return false;
    else if (argvalue.indexOf("@") == 0)
        return false;
    else if (argvalue.indexOf("@") == (argvalue.length - 1))
        return false;

    // arrayString = argvalue.split("@"); (works only in netscape3 and above.)
    var retSize = customSplit(argvalue, "@", "arrayString");

    if (arrayString[1].indexOf(".") == -1)
        return false;
    else if (arrayString[1].indexOf(".") == 0)
        return false;
    else if (arrayString[1].charAt(arrayString[1].length - 1) == ".") {
        return false;
    }

    return true;

}

function customSplit(strvalue, separator, arrayName) {
    var n = 0;

    if (separator.length != 0) {
        while (strvalue.indexOf(separator) != -1) {
            eval("arr" + n + " = strvalue.substring(0, strvalue.indexOf(separator));");
            strvalue = strvalue.substring(strvalue.indexOf(separator) + separator.length,
          strvalue.length + 1);
            n++;
        }
        eval("arr" + n + " = strvalue;");
        arraySize = n + 1;
    }
    else {
        for (var x = 0; x < strvalue.length; x++) {
            eval("arr" + n + " = \"" + strvalue.substring(x, x + 1) + "\";");
            n++;
        }
        arraySize = n;
    }

    eval(arrayName + " = new makeArray(arraySize);");

    for (var i = 0; i < arraySize; i++)
        eval(arrayName + "[" + i + "] = arr" + i + ";");

    return arraySize;
}

function makeArray(IntarrSize) {

    for (var n = 0; n < IntarrSize; n++)
        this[n] = "";

    return this;

}
function changeFont(obj) {
    obj.style.color = strNormalColor;
}

function changeBG(obj) {
    obj.style.backgroundColor = bgChangeColor;
}