// DomValidation.js
//
// 2.003    13-Jul-04   case-insensitive Regex
// 2.004    31-May-05   fix 'enabled' property in non-IE


var _val_agt = navigator.userAgent.toLowerCase();
var _val_is_major = parseInt(navigator.appVersion);
var _val_is_ie = ((_val_agt.indexOf("msie") != -1) && (_val_agt.indexOf("opera") == -1) && (_val_agt.indexOf("applewebkit") == -1));
var _val_isNT = _val_agt.indexOf("windows nt") != -1;
var _val_IE = (document.all);
var _val_IE4 = (_val_is_ie && (_val_is_major == 4) && (_val_agt.indexOf("msie 4") != -1));
var _val_IE6 = (_val_is_ie && (_val_agt.indexOf("msie 6.0") != -1));
var _val_NS = (document.layers);
var _val_DOM = (document.getElementById);
var _val_isMac = (_val_agt.indexOf("Mac") == -1);
var _val_allString = "document.";
_val_allString += (_val_IE) ? "all." : (_val_DOM) ? "getElementById(\"" : "";
var _val_styleString = (_val_IE) ? ".style" : (_val_DOM) ? "\").style" : "";
var _val_endAllString = (_val_DOM && !_val_IE) ? "\")" : "";
var _val_px = (_val_DOM) ? "px" : "";

var Page_DomValidationVer = "2";
var Page_IsValid = true;
var Page_BlockSubmit = false;

function ValidatorUpdateDisplay(val) {
    //var prop = val.getAttribute("display");
    var prop = dom_getAttribute(val, "display");

    var style_str = "", style_prefix = "display: ";

    if (typeof (prop) == "string") {
        if (prop == "None") {
            return;
        }
        if (prop == "Dynamic") {
            style_str = val.isvalid ? "none" : "inline";
            //val.setAttribute("style",style_prefix+style_str+"; ");
            val.style.display = style_str;
            return;
        }
    }
    val.style.visibility = val.isvalid ? "hidden" : "visible";
}

function ValidatorUpdateIsValid() {
    var i;
    for (i = 0; i < Page_Validators.length; i++) {
        if (!Page_Validators[i].isvalid) {
            Page_IsValid = false;
            //Custom - Changed below to false to allow non-validation submit buttons to submit first time - BM 9-Mar-06
            Page_BlockSubmit = false;
            return;
        }
    }
    Page_IsValid = true;
}

function ValidatorHookupControl(control, val) {
    if (control != null) {
        if (typeof (control.Validators) == "undefined") {
            control.Validators = new Array;
            var ev = control.onchange;
            var new_ev;
            if (typeof (ev) == "function") {
                ev = ev.toString();
                //ev = ev.substring(ev.indexOf("{") + 1, ev.lastIndexOf("}"));
                //new_ev = ev.substring(ev.indexOf("{") + 1, ev.lastIndexOf("}"));
                new_ev = "if (Page_IsValid || Page_BlockSubmit) {" + ev.substring(ev.indexOf("{") + 1, ev.lastIndexOf("}")) + "}";
            }
            else {
                //ev = "";
                new_ev = "";
            }

            //			if (new_ev != "") {
            //				ev += "if (Page_IsValid || Page_BlockSubmit) {" + new_ev + "}";
            //ev += "if (true) {" + new_ev + "}";
            //			}
            //var func = new Function("ValidatorOnChange('" + control.id + "'); " + ev);
            var func = new Function("ValidatorOnChange('" + control.id + "'); " + new_ev);
            //alert(control.id + " function is [" + func + "]");
            control.onchange = func;
        }
        control.Validators[control.Validators.length] = val;
    }
}

function ValidatorGetValue(id) {
    var control;
    //control = document.getElementById(id);
    control = dom_getElementByID(id);

    if (control == null)
        return "";

    if (typeof (control.value) == "string") {
        return control.value;
    }

    if (typeof (control.tagName) == "undefined" && typeof (control.length) == "number") {
        var j;
        for (j = 0; j < control.length; j++) {
            var inner = control[j];
            if (typeof (inner.value) == "string" && (inner.type != "radio" || inner.status == true)) {
                return inner.value;
            }
        }
    }

    if (control.tagName == 'TABLE') {
        if (document.getElementById(control.id + '_0') != null) {
            if (document.getElementById(control.id + '_0').checked) {
                return (document.getElementById(control.id + '_0').value);
            } else if (document.getElementById(control.id + '_1').checked) {
                return (document.getElementById(control.id + '_1').value);
            } else {
                return "";
            }
        }
    }

    //Custom - Stop page showing javascript error popup in IE for Radiobutton List - BM 26/02/06
    if (_val_is_ie == true) {
        return "";
    }
}

function Page_ClientValidate() {
    //Custom - Following 2 lines is site specific - BM 26/02/06
    if (document.getElementById('lblMessage') != null) { document.getElementById('lblMessage').style.display = 'none' }
    if (document.getElementById('lblPaymentError') != null) { document.getElementById('lblPaymentError').style.display = 'none' }

    var i, ctrl;
    for (i = 0; i < Page_Validators.length; i++) {
        ValidatorValidate(Page_Validators[i]);
    }

    ValidatorUpdateIsValid();
    ValidationSummaryOnSubmit();
    Page_BlockSubmit = !Page_IsValid;

    return Page_IsValid;
}

function ValidatorCommonOnSubmit() {
    ///<V1.200> - Support for CausesValidation property
    var retValue = !Page_BlockSubmit;

    if (!_val_NS) {   // If we are not in crappy old Netscape 4.7 then....
        if (_val_IE)  // If its Internet Explorer, set our return event value.
            if (event != null) event.returnValue = retValue;
    }

    Page_BlockSubmit = false;

    return retValue;
}

function ValidatorOnChange(controlID) {
    //var cont = document.getElementById(controlID);
    var cont = dom_getElementByID(controlID);
    var vals = cont.Validators;
    var i;
    for (i = 0; i < vals.length; i++) {
        ValidatorValidate(vals[i]);
    }
    ValidatorUpdateIsValid();

    return Page_IsValid;
}

function ValidatorValidate(val) {
    val.isvalid = true;

    if (val.enabled != false)    // V2.00 change
    {
        if (typeof (val.evalfunc) == "function") {
            val.isvalid = val.evalfunc(val);

            //alert(val.id + ': ' + val.isvalid);

        }
    }
    ValidatorUpdateDisplay(val);
}

function ValidatorOnLoad() {
    if (typeof (Page_Validators) == "undefined")
        return;
    var i, val;
    for (i = 0; i < Page_Validators.length; i++) {
        val = Page_Validators[i];
        //var evalFunction = val.getAttribute("evaluationfunction");
        var evalFunction = dom_getAttribute(val, "evaluationfunction");
        if (typeof (evalFunction) == "string") {
            eval("val.evalfunc = " + evalFunction + ";");
        }
        //var isValidAttribute = val.getAttribute("isvalid");
        var isValidAttribute = dom_getAttribute(val, "isvalid");
        if (typeof (isValidAttribute) == "string") {
            if (isValidAttribute == "False") {
                val.isvalid = false;
                Page_IsValid = false;
            }
            else {
                val.isvalid = true;
            }
        } else {
            val.isvalid = true;
        }
        // change sent by Luke Spice 31-May-2005 <V2.0004> fix
        var enabledAttribute = dom_getAttribute(val, "enabled");
        if (typeof (enabledAttribute) == "string") {
            val.enabled = (enabledAttribute != "False");
        } else {
            val.enabled = true;
        }
        //var controlToValidate = val.getAttribute("controltovalidate");
        var controlToValidate = dom_getAttribute(val, "controltovalidate");
        if (typeof (controlToValidate) == "string") {
            ValidatorHookupControl(dom_getElementByID(controlToValidate), val);
            //ValidatorHookupControl(document.getElementById(controlToValidate), val);
        }
        //var controlhookup = val.getAttribute("controlhookup");
        var controlhookup = dom_getAttribute(val, "controlhookup");
        if (typeof (controlhookup) == "string") {
            if (controlhookup != "")    // V2.00 Change
            {
                //ValidatorHookupControl(document.getElementById(controlhookup), val);
                ValidatorHookupControl(dom_getElementByID(controlhookup), val);
            }
        }
    }
    Page_ValidationActive = true;
    if (!Page_IsValid)
        ValidationSummaryOnSubmit();

    // IE4 hack test
    if (_val_IE4) {
        var ev = new Function("ValidationSummaryOnSubmit();");
        document.onreadystatechange = ev;
    }

}

function RegularExpressionValidatorEvaluateIsValid(val) {
    //var value = ValidatorGetValue(val.getAttribute("controltovalidate"));
    var value = ValidatorGetValue(dom_getAttribute(val, "controltovalidate"));
    if (value == "")
        return true;
    //var rx = new RegExp(val.getAttribute("validationexpression"));
    var rx = new RegExp(dom_getAttribute(val, "validationexpression"));
    var matches = rx.exec(value);
    return (matches != null && value == matches[0]);
}

// Added for V2.003 changes - 13/7/2004 - CD
function InsensitiveRegularExpressionValidatorEvaluateIsValid(val) {
    //var value = ValidatorGetValue(val.getAttribute("controltovalidate"));
    var value = ValidatorGetValue(dom_getAttribute(val, "controltovalidate"));
    if (value == "")
        return true;
    //var rx = new RegExp(val.getAttribute("validationexpression"));
    var rx = new RegExp(dom_getAttribute(val, "validationexpression"), 'i');        /* Case insensitive on the Client-side */
    var matches = rx.exec(value);
    return (matches != null && value == matches[0]);
}

function ValidatorTrim(s) {
    //var m = s.match(/^\s*(.*\S)\s*$/);
    //return (m == null) ? "" : m[1];

    // change sent by Mathew A. Frank 11/05/2003 <V2.000> fix.
    return s.replace(/^\s+|\s+$/g, "");
}

function RequiredFieldValidatorEvaluateIsValid(val) {
    //Custom - Added BM for Radibuttonlist
    if (_val_is_ie == false) {
        if (document.getElementById(dom_getAttribute(val, "controltovalidate")).type == undefined) { return true; } //Force true so other validation checks are not affected
    }
    //return (ValidatorTrim(ValidatorGetValue(val.getAttribute("controltovalidate"))) != ValidatorTrim(val.getAttribute("initialvalue")));
    return (ValidatorTrim(ValidatorGetValue(dom_getAttribute(val, "controltovalidate"))) != ValidatorTrim(dom_getAttribute(val, "initialvalue")));
}


///////////////////////////////////// my stuff ////////////////////////////////////////////////////////////

function ValidatorCompare(operand1, operand2, operator, val) {
    //var dataType = val.type;
    //var dataType = val.getAttribute("type",false);
    var dataType = dom_getAttribute(val, "type");
    var op1, op2;
    if ((op1 = ValidatorConvert(operand1, dataType, val)) == null)
        return false;
    if (operator == "DataTypeCheck")
        return true;
    if ((op2 = ValidatorConvert(operand2, dataType, val)) == null)
        return true;
    if (op2 == "")
        return true;
    switch (operator) {
        case "NotEqual":
            return (op1 != op2);
        case "GreaterThan":
            return (op1 > op2);
        case "GreaterThanEqual":
            return (op1 >= op2);
        case "LessThan":
            return (op1 < op2);
        case "LessThanEqual":
            return (op1 <= op2);
        default:
            return (op1 == op2);
    }
}



function CompareValidatorEvaluateIsValid(val) {
    var ctrl = dom_getAttribute(val, "controltovalidate");
    if (null == ctrl)
        return true;
    var value = ValidatorGetValue(ctrl);
    if (ValidatorTrim(value).length == 0)
        return true;
    var compareTo = "";

    // V2.0 changes
    var hookupCtrl = dom_getAttribute(val, "controlhookup");
    var useCtrlToValidate = false;
    if (hookupCtrl != null) {
        if (typeof (hookupCtrl) == "string") {
            if (hookupCtrl != "")
                useCtrlToValidate = true;
        }
    }
    // End V2.00 changes

    if (!useCtrlToValidate) {  // V2.00 change
        var ctrl_literal = dom_getAttribute(val, "valuetocompare");
        if (typeof (ctrl_literal) == "string") {
            compareTo = ctrl_literal;  // V2.00 change
        }
    }
    else {
        compareTo = ValidatorGetValue(dom_getAttribute(val, "controlhookup"));
    }
    operator = dom_getAttribute(val, "operator");
    return ValidatorCompare(value, compareTo, operator, val);
}

function CustomValidatorEvaluateIsValid(val) {
    var value = "";
    //var ctrl = val.getAttribute("controltovalidate");
    var ctrl = dom_getAttribute(val, "controltovalidate");

    //Custom - Fixed by BM (8-Mar-06)
    if (typeof (ctrl) == "string") {
        if (ctrl != "") {
            value = ValidatorGetValue(ctrl);
        }
    }

    var valid = true;
    //var func_str = val.getAttribute("clientvalidationfunction");
    var func_str = dom_getAttribute(val, "clientvalidationfunction");

    if (typeof (func_str) == "string") {
        if (func_str != "") {
            eval("valid = (" + func_str + "(val, value) != false);");
        }
    }
    return valid;
}

// Added for V2.0 changes - 27/1/2002 - Glav
function RangeValidatorEvaluateIsValid(val) {
    var value;
    var ctrl = dom_getAttribute(val, "controltovalidate");
    if (typeof (ctrl) == "string") {
        if (ctrl != "") {
            value = ValidatorGetValue(ctrl);
            if (value == "")
                return true;
        }
    }

    var minval = dom_getAttribute(val, "minimumvalue");
    var maxval = dom_getAttribute(val, "maximumvalue");

    if (minval == null && maxval == null)
        return true;

    if (minval == "")
        minval = 0;
    if (maxval == "")
        maxval = 0;

    return ((parseFloat(value) >= parseFloat(minval)) && (parseFloat(value) <= parseFloat(maxval)));
}

function ValidatorConvert(op, dataType, val) {
    function GetFullYear(year) {
        return (year + parseInt(val.century)) - ((year < val.cutoffyear) ? 0 : 100);
    }
    var num, cleanInput, m, exp;
    if (dataType == "Integer") {
        exp = /^\s*[-\+]?\d+\s*$/;
        if (op.match(exp) == null)
            return null;
        num = parseInt(op, 10);
        return (isNaN(num) ? null : num);
    }
    else if (dataType == "Double") {
        exp = new RegExp("^\\s*([-\\+])?(\\d+)?(\\" + val.decimalchar + "(\\d+))?\\s*$");
        m = op.match(exp);
        if (m == null)
            return null;
        cleanInput = m[1] + (m[2].length > 0 ? m[2] : "0") + "." + m[4];
        num = parseFloat(cleanInput);
        return (isNaN(num) ? null : num);
    }
    else if (dataType == "Currency") {
        exp = new RegExp("^\\s*([-\\+])?(((\\d+)\\" + val.groupchar + ")*)(\\d+)"
                        + ((val.digits > 0) ? "(\\" + val.decimalchar + "(\\d{1," + val.digits + "}))?" : "")
                        + "\\s*$");
        m = op.match(exp);
        if (m == null)
            return null;
        var intermed = m[2] + m[5];
        cleanInput = m[1] + intermed.replace(new RegExp("(\\" + val.groupchar + ")", "g"), "") + ((val.digits > 0) ? "." + m[7] : 0);
        num = parseFloat(cleanInput);
        return (isNaN(num) ? null : num);
    }
    else if (dataType == "Date") {
        var yearFirstExp = new RegExp("^\\s*((\\d{4})|(\\d{2}))([-./])(\\d{1,2})\\4(\\d{1,2})\\s*$");
        m = op.match(yearFirstExp);
        var day, month, year;
        if (m != null && (m[2].length == 4 || val.dateorder == "ymd")) {
            day = m[6];
            month = m[5];
            year = (m[2].length == 4) ? m[2] : GetFullYear(parseInt(m[3], 10))
        }
        else {
            if (val.dateorder == "ymd") {
                return null;
            }
            var yearLastExp = new RegExp("^\\s*(\\d{1,2})([-./])(\\d{1,2})\\2((\\d{4})|(\\d{2}))\\s*$");
            m = op.match(yearLastExp);
            if (m == null) {
                return null;
            }
            if (val.dateorder == "mdy") {
                day = m[3];
                month = m[1];
            }
            else {
                day = m[1];
                month = m[3];
            }
            year = (m[5].length == 4) ? m[5] : GetFullYear(parseInt(m[6], 10))
        }
        month -= 1;
        var date = new Date(year, month, day);
        return (typeof (date) == "object" && year == date.getFullYear() && month == date.getMonth() && day == date.getDate()) ? date.valueOf() : null;
    }
    else {
        return op.toString();
    }
}


function ValidationSummaryOnSubmit() {
    if (typeof (Page_ValidationSummaries) == "undefined")
        return;
    var summary, sums, s, summ_attrib, hdr_txt, err_msg;
    for (sums = 0; sums < Page_ValidationSummaries.length; sums++) {
        summary = Page_ValidationSummaries[sums];
        summary.style.display = "none";
        if (!Page_IsValid) {
            //summ_attrib = summary.getAttribute("showsummary",false);
            summ_attrib = dom_getAttribute(summary, "showsummary");
            if (summ_attrib != "False") {
                summary.style.display = "";
                if (typeof (summary.displaymode) != "string") {
                    summary.displaymode = "BulletList";
                }
                switch (summary.displaymode) {
                    case "List":
                        headerSep = "<br>";
                        first = "";
                        pre = "";
                        post = "<br>";
                        final_block = "";
                        break;

                    case "BulletList":
                    default:
                        headerSep = "";
                        first = "<ul>";
                        pre = "<li>";
                        post = "</li>";
                        final_block = "</ul>";
                        break;

                    case "SingleParagraph":
                        headerSep = " ";
                        first = "";
                        pre = "";
                        post = " ";
                        final_block = "<br>";
                        break;
                }
                s = "";
                //hdr_txt = summary.getAttribute("headertext",false);
                hdr_txt = dom_getAttribute(summary, "headertext");
                if (typeof (hdr_txt) == "string") {
                    s += hdr_txt + headerSep;
                }
                var cnt = 0;
                s += first;
                for (i = 0; i < Page_Validators.length; i++) {
                    //err_msg = Page_Validators[i].getAttribute("errormessage",false);
                    err_msg = dom_getAttribute(Page_Validators[i], "errormessage");
                    if (!Page_Validators[i].isvalid && typeof (err_msg) == "string") {
                        if (err_msg != "") {
                            cnt++;
                            s += pre + err_msg + post;
                        }
                    }
                }
                s += final_block;

                // IE4 work around
                if (_val_IE4) {
                    if (document.readyState == "complete") {
                        summary.innerHTML = s;
                        window.scrollTo(0, 0);
                        summary.style.visibility = "visible";
                    }
                } else {
                    summary.innerHTML = s;
                    window.scrollTo(0, 0);
                    summary.style.visibility = "visible";
                }
            }
            //summ_attrib = summary.getAttribute("showmessagebox",false);
            summ_attrib = dom_getAttribute(summary, "showmessagebox");

            if (summ_attrib == "True") {
                s = "";
                //hdr_txt = summary.getAttribute("headertext",false);
                hdr_txt = dom_getAttribute(summary, "headertext");
                if (typeof (hdr_txt) == "string") {
                    //s += hdr_txt + "<BR>";
                    s += hdr_txt + "\n";
                }
                for (i = 0; i < Page_Validators.length; i++) {
                    //err_msg = Page_Validators[i].getAttribute("errormessage",false);
                    err_msg = dom_getAttribute(Page_Validators[i], "errormessage");
                    if (!Page_Validators[i].isvalid && typeof (err_msg) == "string") {
                        switch (summary.displaymode) {
                            case "List":
                                //s += err_msg + "<BR>";
                                s += err_msg + "\n";
                                break;

                            case "BulletList":
                            default:
                                //s += "  - " + err_msg + "<BR>";
                                s += "  - " + err_msg + "\n";
                                break;

                            case "SingleParagraph":
                                s += err_msg + " ";
                                break;
                        }
                    }
                }
                //span = document.createElement("SPAN");
                //span.innerHTML = s;
                //s = span.getAttribute("innerText",false);
                alert(s);
            }
        }
    }
}

////////////////////////--- Funtions to work in IE4 and DOM ---/////////////////////////////////

function dom_getAttribute(control, attribute) {
    var attrib;
    if (_val_DOM)
        attrib = control.getAttribute(attribute, false);
    else
        attrib = eval(_val_allString + control.id + "." + attribute + _val_endAllString);
    return attrib;
}

function dom_getElementByID(id) {
    var element = eval(_val_allString + id + _val_endAllString);
    return element;
}


////////////////// ---- Custom Validation Functions ---- //////////////////

function validateMultiple(oSrc, arg) {

    var controls = oSrc.getAttribute('ControlsToValidate').split(",");
    var control;

    for (var i = 0; (control = controls[i]); i++) {
        if (document.getElementById(control).value.replace(new RegExp(/ /g), "") == '') {
            return false;
        }
    }

    return true;
}