var dtCh = "/";
var minYear = 1900;
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 isValidDate(strDate, dateFormat) {
    var daysInMonth = DaysArray(12)
    var strDay;
    var strMonth;
    var strYear;
    var dtConvertedDate;
    convertedDate = new Array(2);
    if (strDate == "") {
        return true;
    }
    if (strDate.indexOf("/") != 0) {
        convertedDate = strDate.split("/");
    }
    else if (strDate.indexOf("-") != 0) {
        convertedDate = strDate.split("-");
    }
    else if (strDate.indexOf(".") != 0) {
        convertedDate = strDate.split(".");
    }
    else if (strDate.indexOf(" ") != 0) {
        convertedDate = strDate.split(" ");
    }
    if (convertedDate.length != 3) {
        alert("Please enter valid date");
        return false
    }
    if (dateFormat == "dd/mm/yyyy") {
        strDay = convertedDate[0];
        strMonth = convertedDate[1];
        strYear = convertedDate[2];
    }
    else if (dateFormat == "mm/dd/yyyy") {
        strMonth = convertedDate[1];
        strDay = convertedDate[0];
        strYear = convertedDate[2];
    }
    else if (dateFormat == "yyyy/mm/dd") {
        strDay = convertedDate[2];
        strMonth = convertedDate[1];
        strYear = convertedDate[0];
    }
    else if (dateFormat == "dd/mmm/yyyy") {
        strDay = convertedDate[0];
        strMonth = convertedDate[1];
        strYear = convertedDate[2];
    }
    if (isInteger(strDay) != true || isInteger(strMonth) != true || isInteger(strYear) != true) {

        alert("Please enter a valid date");
        return false;
    }
    day = parseInt(strDay, 10);
    month = parseInt(strMonth, 10);
    year = parseInt(strYear, 10);

    if (strMonth.length < 1 || month < 1 || month > 12) {
        alert("Please enter a valid month");
        return false;
    }
    if (strDay.length < 1 || day < 1 || day > 31 || (month == 2 && day > daysInFebruary(year)) || day > daysInMonth[month]) {
        alert("Please enter a valid day");
        return false;
    }
    if (strYear.length != 4 || year == 0 || year < minYear || year > maxYear) {
        alert("Please enter a valid 4 digit year between " + minYear + " and " + maxYear);
        return false;
    }
    return true;
}


function validateForIntNum(obj, event) {
    var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode;
    if ((keyCode >= 48 && keyCode <= 57) || keyCode == 46 ||(keyCode >= 37 && keyCode <= 40) || keyCode ==8 )
        return true;
    /*	else if()
    return true;*/
    else
        return false;
}


function validateForIntlength(obj, event) {
    var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode;
   
    if ((keyCode >= 49 && keyCode <= 51) || keyCode == 46 ||(keyCode >= 37 && keyCode <= 40) || keyCode ==8 )
    { 
        return true;
   }
    /*	else if()
    return true;*/
    else
    {
        return false;
    }
}

function validateForInt(obj, event) {
    var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode;

    if ((keyCode >= 35 && keyCode <= 37) || (keyCode == 39) || keyCode >= 48 && keyCode <= 57 || keyCode == 9 || keyCode == 127 || keyCode == 8 || keyCode == 46) {
        if (IsMatch(navigator.userAgent, "Firefox") || IsMatch(navigator.userAgent, "Chrome")) {
            if (keyCode == 46 && event.which == 46)
                return false;
        }
        else if (IsMatch(navigator.userAgent, "Windows")) {
            if (keyCode == 46)
                return false;
        }
    }
    else
    {
        event.returnValue=false;
        return false;
    }
}

function validateForDecimal(obj, event) {
    var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode;
    if ((keyCode >= 35 && keyCode <= 37) || (keyCode == 39) || (keyCode >= 48 && keyCode <= 57) || keyCode == 46 || keyCode == 8 || keyCode == 9) {
        var current = obj.value;
        var decimalpoint = current.lastIndexOf(".");
        if (decimalpoint >= 0) {
            obj.maxLength = decimalpoint + 3;
            if (IsMatch(navigator.userAgent, "Firefox") || IsMatch(navigator.userAgent, "Chrome")) {
                if (keyCode == 46 && event.which == 46)
                    return false;
            }
            else if (IsMatch(navigator.userAgent, "Windows")) {
                if (keyCode == 46)
                    return false;
            }
        }
        else {
            obj.maxLength = "8";
        }
        return true;
    }
    else {
        event.returnValue=false;
        return false;
    }
}

function countlen(obj, event, mlen) {
    var txtlen = obj.value.length;
    var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode;
    if (txtlen >= mlen) {
        if (keyCode == 8 || keyCode == 35 || keyCode == 36 || keyCode == 37 || keyCode == 39 || keyCode == 46) {
            return true;
        }
        else {
            return false;
        }
    }
    else {
        return true;
    }
}

function compareDates(date1, dateformat1, date2, dateformat2) {

    var d1 = getDateFromFormat(date1, dateformat1);
    var d2 = getDateFromFormat(date2, dateformat2);

    if (d1 == 0 || d2 == 0) {
        return -1;
    }
    else if (d1 > d2) {
        return 1;
    }
    return 0;
}

// ------------------------------------------------------------------
// Utility functions for parsing in getDateFromFormat()
// ------------------------------------------------------------------
function _isInteger(val) {
    var digits = "1234567890";
    for (var i = 0; i < val.length; i++) {
        if (digits.indexOf(val.charAt(i)) == -1) { return false; }
    }
    return true;
}
function _getInt(str, i, minlength, maxlength) {
    for (var x = maxlength; x >= minlength; x--) {
        var token = str.substring(i, i + x);
        if (token.length < minlength) { return null; }
        if (_isInteger(token)) { return token; }
    }
    return null;
}

// ------------------------------------------------------------------
// getDateFromFormat( date_string , format_string )
//
// This function takes a date string and a format string. It matches
// If the date string matches the format string, it returns the 
// getTime() of the date. If it does not match, it returns 0.
// ------------------------------------------------------------------
function getDateFromFormat(val, format) {
    val = val + "";
    format = format + "";
    var i_val = 0;
    var i_format = 0;
    var c = "";
    var token = "";
    var token2 = "";
    var x, y;
    var now = new Date();
    var year = now.getYear();
    var month = now.getMonth() + 1;
    var date = 1;
    var hh = now.getHours();
    var mm = now.getMinutes();
    var ss = now.getSeconds();
    var ampm = "";

    while (i_format < format.length) {
        // Get next token from format string
        c = format.charAt(i_format);
        token = "";
        while ((format.charAt(i_format) == c) && (i_format < format.length)) {
            token += format.charAt(i_format++);
        }
        // Extract contents of value based on format token
        if (token == "yyyy" || token == "yy" || token == "y") {
            if (token == "yyyy") { x = 4; y = 4; }
            if (token == "yy") { x = 2; y = 2; }
            if (token == "y") { x = 2; y = 4; }
            year = _getInt(val, i_val, x, y);
            if (year == null) { return 0; }
            i_val += year.length;
            if (year.length == 2) {
                if (year > 70) { year = 1900 + (year - 0); }
                else { year = 2000 + (year - 0); }
            }
        }
        else if (token == "MMM" || token == "NNN") {
            month = 0;
            for (var i = 0; i < MONTH_NAMES.length; i++) {
                var month_name = MONTH_NAMES[i];
                if (val.substring(i_val, i_val + month_name.length).toLowerCase() == month_name.toLowerCase()) {
                    if (token == "MMM" || (token == "NNN" && i > 11)) {
                        month = i + 1;
                        if (month > 12) { month -= 12; }
                        i_val += month_name.length;
                        break;
                    }
                }
            }
            if ((month < 1) || (month > 12)) { return 0; }
        }
        else if (token == "EE" || token == "E") {
            for (var i = 0; i < DAY_NAMES.length; i++) {
                var day_name = DAY_NAMES[i];
                if (val.substring(i_val, i_val + day_name.length).toLowerCase() == day_name.toLowerCase()) {
                    i_val += day_name.length;
                    break;
                }
            }
        }
        else if (token == "MM" || token == "M") {
            month = _getInt(val, i_val, token.length, 2);
            if (month == null || (month < 1) || (month > 12)) { return 0; }
            i_val += month.length;
        }
        else if (token == "dd" || token == "d") {
            date = _getInt(val, i_val, token.length, 2);
            if (date == null || (date < 1) || (date > 31)) { return 0; }
            i_val += date.length;
        }
        else if (token == "hh" || token == "h") {
            hh = _getInt(val, i_val, token.length, 2);
            if (hh == null || (hh < 1) || (hh > 12)) { return 0; }
            i_val += hh.length;
        }
        else if (token == "HH" || token == "H") {
            hh = _getInt(val, i_val, token.length, 2);
            if (hh == null || (hh < 0) || (hh > 23)) { return 0; }
            i_val += hh.length;
        }
        else if (token == "KK" || token == "K") {
            hh = _getInt(val, i_val, token.length, 2);
            if (hh == null || (hh < 0) || (hh > 11)) { return 0; }
            i_val += hh.length;
        }
        else if (token == "kk" || token == "k") {
            hh = _getInt(val, i_val, token.length, 2);
            if (hh == null || (hh < 1) || (hh > 24)) { return 0; }
            i_val += hh.length; hh--;
        }
        else if (token == "mm" || token == "m") {
            mm = _getInt(val, i_val, token.length, 2);
            if (mm == null || (mm < 0) || (mm > 59)) { return 0; }
            i_val += mm.length;
        }
        else if (token == "ss" || token == "s") {
            ss = _getInt(val, i_val, token.length, 2);
            if (ss == null || (ss < 0) || (ss > 59)) { return 0; }
            i_val += ss.length;
        }
        else if (token == "a") {
            if (val.substring(i_val, i_val + 2).toLowerCase() == "am") { ampm = "AM"; }
            else if (val.substring(i_val, i_val + 2).toLowerCase() == "pm") { ampm = "PM"; }
            else { return 0; }
            i_val += 2;
        }
        else {
            if (val.substring(i_val, i_val + token.length) != token) { return 0; }
            else { i_val += token.length; }
        }
    }
    // If there are any trailing characters left in the value, it doesn't match
    if (i_val != val.length) { return 0; }
    // Is date valid for month?
    if (month == 2) {
        // Check for leap year
        if (((year % 4 == 0) && (year % 100 != 0)) || (year % 400 == 0)) { // leap year
            if (date > 29) { return 0; }
        }
        else { if (date > 28) { return 0; } }
    }
    if ((month == 4) || (month == 6) || (month == 9) || (month == 11)) {
        if (date > 30) { return 0; }
    }
    // Correct hours value
    if (hh < 12 && ampm == "PM") { hh = hh - 0 + 12; }
    else if (hh > 11 && ampm == "AM") { hh -= 12; }
    var newdate = new Date(year, month - 1, date, hh, mm, ss);
    return newdate.getTime();
}

function confirmDelete(TargetBaseControl, chkname) {
    var elements = TargetBaseControl.getElementsByTagName("input");
    var objchk = new Array();
    var l = 0;
    var m = 0;

    //To find Checkbox Controls inside GridView Control
    for (var j = 0; j < elements.length; ++j) {
        if (elements[j].type == "checkbox") {
            if (IsMatch(elements[j].id, chkname)) {
                objchk[l] = elements[j].id;
                l++;
            }
        }
    }
    //End
    for (var i = 0; i < objchk.length; i++) {
        if (document.getElementById(objchk[i]).checked) {
            m++;
        }
    }

    return m
}
function IsMatch(id, gridname) {
    var pattern = gridname;
    var regularExpresssion = new RegExp(pattern);
    if (id.match(regularExpresssion))
        return true;
    else
        return false;
}
function clickButton(e, buttonid) {
    var evt = e ? e : window.event;
    var bt = document.getElementById(buttonid);
    if (bt) {
        if (evt.keyCode == 13) {
            bt.click();
            return false;
        }
    }
}

function FireDefaultButton(event, target) {
    if (event.keyCode == 13) {
        var status;

        if (IsMatch(navigator.userAgent, "Firefox") || IsMatch(navigator.userAgent, "Chrome")) {
            if (event.target.type.toLowerCase() == "image") {
                return true;
            }
            else if (event.target.type.toLowerCase() == "textarea") {
                return true;
            }
            else {
                status = true;
            }
        }
        else if (IsMatch(navigator.userAgent, "Windows")) {
            if (event.srcElement.type.toLowerCase() == "textarea") {
                return true;
            }
            else if (event.srcElement.type.toLowerCase() == "image") {
                return true;
            }
            else {
                status = true;
            }
        }

        if (status) {
            var defaultButton;

            if (target.id != null)
                defaultButton = target.id;
            else
                defaultButton = target;

            if (typeof (defaultButton) != "undefined") {
                document.getElementById(defaultButton).click();
            }

            else if (typeof (defaultButton) != "undefined") {
                eval(defaultButton.href.substr(11));
            }

            event.cancelBubble = true;
            if (event.stopPropagation) event.stopPropagation();
            return false;
        }
    }
    return true;
}

function Check(parentChk) {
    if (IsMatch(parentChk.id, "ctl01")) {
        var arr = new Array();
        arr = parentChk.id.split("_");        
//        var obj = document.getElementById(arr[0]);
      var GridView = parentChk.parentNode.parentNode.parentNode;  
     var elements = GridView.getElementsByTagName("INPUT");
 
        
        xstate = parentChk.checked;

        for (i = 0; i < elements.length; i++) {
            if (IsCheckBox(elements[i])) {
                elements[i].checked = xstate;
            }
        }
    }
    else if (IsMatch(parentChk.id, "ctl")) {
        var arr = new Array();
        arr = parentChk.id.split("_");      
        var obj;
        
        if(arr.length > 3)  
            obj = document.getElementById(arr[0] + "_" + arr[1]); 
        else
            obj = document.getElementById(arr[0]); 
            
        var elements = obj.getElementsByTagName("INPUT");
        
        for (i = 0; i < elements.length; i++) {
            if (IsCheckBox(elements[i]) && IsMatch(elements[i].id, "ctl01")) {
                elements[i].checked = false;
                break;
            }
        }
    }
    else {
        var elements = document.getElementsByTagName("input");
        xstate = parentChk.checked;
        for (i = 0; i < elements.length; i++) {
            if (IsCheckBox(elements[i])) {
                elements[i].checked = xstate;
            }
        }
    }
}

function IsCheckBox(chk) {
    if (chk.type == 'checkbox')
        return true;
    else
        return false;
}

String.prototype.trim = function() {
    return this.replace(/^\s*/, "").replace(/\s*$/, "");
}

function fnCopyState(obj, txt, val) {
    var opt = document.createElement("option");
    obj.options.add(opt);
    opt.text = txt;
    opt.value = val;
}

function getQuerystring(key, default_) {
    if (default_ == null) default_ = "";
    key = key.replace(/[\[]/, "\\\[").replace(/[\]]/, "\\\]");
    var regex = new RegExp("[\\?&]" + key + "=([^&#]*)");
    var qs = regex.exec(window.location.href);
    if (qs == null)
        return default_;
    else
        return qs[1];
}

// ------------------------------------------------------------------
// validateForUserName(obj,event)
//
// This function takes a date string and a format string. It matches
// 
//
function validateForUserName(obj, event) {
    var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode;
    if (keyCode >= 65 && keyCode <= 90 || keyCode >= 97 && keyCode <= 122 || keyCode == 95 || keyCode == 46 || keyCode == 8 || keyCode >= 48 && keyCode <= 57 || keycode == 9 || keycode == 60 || keycode == 62)
        return true;
    else
        return false;
}

function HaltAlphaNumeric(event) {
    var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode;

    if ((keyCode >= 35 && keyCode <= 37) || (keyCode == 39) || keyCode == 9 || keyCode == 127 || keyCode == 8 || keyCode == 46) {
        if (IsMatch(navigator.userAgent, "Firefox") || IsMatch(navigator.userAgent, "Chrome")) {
            if (keyCode == 46 && event.which == 46)
                return false;
        }
        else if (IsMatch(navigator.userAgent, "Windows")) {
            if (keyCode == 46)
                return false;
        }
    }
    else
    {
        event.returnValue=false;
        return false;
    }
}