/* ======================================== VALIDATION ROUTINE ========================================

/* Function to validate required fields */
function TValidateRequiredField(arrFieldIDs) {

    if (arrFieldIDs.length > 0) {
        for (var i = 0; i < arrFieldIDs.length; i++) {

            if (trim(document.getElementById(arrFieldIDs[i]).value) == "" || document.getElementById(arrFieldIDs[i]).value == "-1") {
                WarningBox('Fields marked as * are required');
                return false;
            }

        }
        return true;
    }
}
/* Function to check valid Email Address */

function CheckEmailID(paraEmail) {

    var sEmail = document.getElementById(paraEmail).value;

    var atsym = sEmail.indexOf("@");
    var period = sEmail.lastIndexOf('.');
    var space = sEmail.indexOf(' ');
    var length = sEmail.length - 1;

    if ((atsym < 1) || (period <= atsym + 1) || (period == length) || (space != -1)) {
        WarningBox('Please enter a valid email address !');
        document.getElementById(paraEmail).focus();
        return false;
    }
    return true;
}

/* Function to check special characters*/

function CheckSpecialChar(vObject, vType) {
    var iChars;
    var AlertMsg;

    if (vType == "String") {

        iChars = "`!@#$%^&*()+=-[]\\\;,./{}|\":<>?1234567890";
        AlertMsg = "Special characters are not allowed!";
    }
    else if (vType == "Numeric") {
        iChars = "`!@#$%^&*()+=-[]\\\;,./{}|\:<>? ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'''";
        AlertMsg = "Invalid value";

    }
    else if (vType == "AlphaNumeric") {
        iChars = "`!@#$%^&*()+=[]\\\';,./{}|\":<>?";
        AlertMsg = "Special characters are not allowed!";
    }
    else if (vType == "SingleQuote") {
        iChars = "'";
        AlertMsg = "Single quote is not allowed!";
    }
    for (var i = 0; i < document.getElementById(vObject).value.length; i++) {
        if (iChars.indexOf(document.getElementById(vObject).value.charAt(i)) != -1) {

            WarningBox(AlertMsg);
            document.getElementById(vObject).focus();
            return false;
        }
    }
    return true;
}

/* ======================================== STRING MANIPULATION ROUTINES ========================================


/*Function trim extra spaces */
function trim(inputString) {
    if (typeof inputString != "string") { return inputString; }
    var retValue = inputString;
    var ch = retValue.substring(0, 1);
    while (ch == " ") { // Check for spaces at the beginning of the string
        retValue = retValue.substring(1, retValue.length);
        ch = retValue.substring(0, 1);
    }
    ch = retValue.substring(retValue.length - 1, retValue.length);
    while (ch == " ") { // Check for spaces at the end of the string
        retValue = retValue.substring(0, retValue.length - 1);
        ch = retValue.substring(retValue.length - 1, retValue.length);
    }
    while (retValue.indexOf("  ") != -1) { // Note that there are two spaces in the string - look for multiple spaces within the string
        retValue = retValue.substring(0, retValue.indexOf("  ")) + retValue.substring(retValue.indexOf("  ") + 1, retValue.length); // Again, there are two spaces in each of the strings
    }
    return retValue; // Return the trimmed string back to the user
}


/* Function to format numbers*/
function formatNumber(obj, decimal) {
    //decimal  - the number of decimals after the digit from 0 to 3
    //-- Returns the passed number as a string in the xxx,xxx.xx format.

    anynum = eval(obj);

    divider = 10;
    switch (decimal) {
        case 0:
            divider = 1;
            break;
        case 1:
            divider = 10;
            break;
        case 2:
            divider = 100;
            break;
        default:  	 //for 3 decimal places
            divider = 1000;
    }

    workNum = Math.abs((Math.round(anynum * divider) / divider));

    workStr = "" + workNum

    if (workStr.indexOf(".") == -1) { workStr += "." }

    dStr = workStr.substr(0, workStr.indexOf(".")); dNum = dStr - 0
    pStr = workStr.substr(workStr.indexOf("."))

    while (pStr.length - 1 < decimal) { pStr += "0" }

    if (pStr == '.') pStr = '';

    //--- Adds a comma in the thousands place.    
    if (dNum >= 1000) {
        dLen = dStr.length
        dStr = parseInt("" + (dNum / 1000)) + "," + dStr.substring(dLen - 3, dLen)
    }

    //-- Adds a comma in the millions place.
    if (dNum >= 1000000) {
        dLen = dStr.length
        dStr = parseInt("" + (dNum / 1000000)) + "," + dStr.substring(dLen - 7, dLen)
    }
    retval = dStr + pStr
    //-- Put numbers in parentheses if negative.
    if (anynum < 0) { retval = "(" + retval + ")"; }

    //retval =  "$"+retval    //You could include a dollar sign in the return value.

    obj = retval;

    return obj
}

// Function to encode the text in textbox in the format in which it was entered //

function escapeValEnter(textarea, replaceWith) {
    /* textarea is reference to that object, replaceWith is string that will replace the encoded return */
    textarea.value = escape(textarea.value) //encode textarea string's carriage returns
    for (i = 0; i < textarea.value.length; i++)//loop through string, replacing carriage return encoding with HTML break tag
    {
        if (textarea.value.indexOf("%0D%0A") > -1) {
            textarea.value = textarea.value.replace("%0D%0A", replaceWith)  //Windows encodes returns as \r\n hex
        }
        else if (textarea.value.indexOf("%0A") > -1) {
            textarea.value = textarea.value.replace("%0A", replaceWith)  //Unix encodes returns as \n hex
        }
        else if (textarea.value.indexOf("%0D") > -1) {
            textarea.value = textarea.value.replace("%0D", replaceWith)  //Macintosh encodes returns as \r hex
        }
    }

    textarea.value = unescape(textarea.value) //unescape all other encoded characters
}

// Function to decode the encoded text //
function upescapeValEnter(textarea, replaceWith) {
    //textarea is reference to that object, replaceWith is string that will replace the encoded return
    textarea.value = escape(textarea.value) //encode textarea string's carriage returns
    for (i = 0; i < textarea.value.length; i++) //loop through string, replacing carriage return encoding with HTML break tag
    {
        if (textarea.value.indexOf(replaceWith) > -1) {
            textarea.value = textarea.value.replace(replaceWith, "%0D%0A") //Windows encodes returns as \r\n hex
        }
    }
    textarea.value = unescape(textarea.value) //unescape all other encoded characters
}

function SingleSelect(chkobj) {
    for (var item = 0; item < document.forms[0].elements.length; item++) {
        if (document.forms[0].elements[item].type == 'checkbox' && document.forms[0].elements[item].id != chkobj.id) {
            document.forms[0].elements[item].checked = false;
        }
    }
}

/* ======================================== ERROR/INFO/OK BOX ROUTINES ========================================

/* Note: In HTML / ASP USE BELOW FUNCTIONS. DO NOT USE SetTopStatus Function Directly */

function ErrorBox(strMessage, strCustomCtlId) {
    SetTopStatus("error", strMessage, strCustomCtlId);
}
function WarningBox(strMessage, strCustomCtlId) {
    SetTopStatus("warning", strMessage, strCustomCtlId);
}
function InfoBox(strMessage, strCustomCtlId) {
    SetTopStatus("information", strMessage, strCustomCtlId);
}
function QueryBox(strMessage, strCustomCtlId) {
    SetTopStatus("query", strMessage, strCustomCtlId);
}
function ClearTopStatus(strCustomCtlId) {
    if (document.getElementById('divWarning') != null) {
        document.getElementById('divWarning').style.display = 'none';
    }
    else if (document.getElementById('divInformation') != null) {
        document.getElementById('divInformation').style.display = 'none';
    }
    else if (document.getElementById('divError') != null) {
        document.getElementById('divError').style.display = 'none';
    }
    else if (document.getElementById('divQuery') != null) {
        document.getElementById('divQuery').style.display = 'none';
    }

    if (strCustomCtlId == null || strCustomCtlId == '') {
        if (document.getElementById('SpanTopStatus') != null)
            document.getElementById('SpanTopStatus').innerHTML = "";
    }
    else {
        if (document.getElementById(strCustomCtlId) != null)
            document.getElementById(strCustomCtlId).innerHTML = "";
    }
}


/* NOTE: BELOW FUNCTIONS ARE PRIVATE AND NOT FOR REGULAR USE. 
MAKE SURE YOU GUYS USE RIGHT FUNCTION FOR RIGHT BOX. */
function SetTopStatus(strStatus, strMessage, strCustomCtlId) {
    ClearTopStatus(strCustomCtlId);
    SetTopStatusExt(strStatus, strMessage, 'true', strCustomCtlId);
}

function SetTopStatusExt(strStatus, strMessage, tShow, strCustomCtlId) {
    var ctldivGenMessage;
    var ctlSpanTopStatus;
    var strClassName = "";
    var strdivId = "";

    switch (strStatus.toLowerCase()) {
        case "warning":
            strClassName = "warning";
            strdivId = "divWarning"
            break;
        case "information":
            strClassName = "information";
            strdivId = "divInformation"
            break;
        case "error":
            strClassName = "error";
            strdivId = "divError"
            break;
        case "query":
            strClassName = "query";
            strdivId = "divQuery"
            break;
        default:
            strdivId = "divQuery"
    }
    if (strCustomCtlId == null || strCustomCtlId == '')
        ctlSpanTopStatus = document.getElementById('SpanTopStatus');
    else
        ctlSpanTopStatus = document.getElementById(strCustomCtlId);

    if (ctlSpanTopStatus != null) {
        ctldivGenMessage = document.createElement("div");
        ctldivGenMessage.id = strdivId;
        ctldivGenMessage.className = strClassName;
        ctldivGenMessage.innerHTML = strMessage;
        (tShow == 'true') ? (ctldivGenMessage.style.display = 'block') : (ctldivGenMessage.style.display = 'none');

        ctlSpanTopStatus.appendChild(ctldivGenMessage);
    }
    else {
        alert('SpanTopStatus element not found in page! Create this element to show messages');
    }
}


function TValidateControlWithMessage(objCtrlToValidate, strMessage, astrValidation) {

    var objControl = null;
    if (document.getElementById(objCtrlToValidate) == null)
        alert(objCtrlToValidate + " not found!");

    objControl = document.getElementById(objCtrlToValidate);

    if (astrValidation.length > 0) {

        for (var i = 0; i < astrValidation.length; i++) {

            if (objControl.value == astrValidation[i]) {
                ControlUIDesignValidator(objControl.id, strMessage, true);
                return false;
            }
        }

        ControlUIDesignValidator(objControl.id, strMessage, false);
        return true;
    }
}


function ControlUIDesignValidator(objCtrlToValidate, strMessage, tControlValidated) {

    var objControl = null;

    var strDivId = "";
    var objDivError = null;

    strDivId = "div_" + objCtrlToValidate;

    objControl = document.getElementById(objCtrlToValidate);

    if (document.getElementById(strDivId) != null && tControlValidated)
        return;
    else if (document.getElementById(strDivId) != null && !tControlValidated) {
        var objParentNode = document.getElementById(strDivId).parentNode;

        objParentNode.removeChild(document.getElementById(strDivId));
        objControl.className = "";
    }
    else if (document.getElementById(strDivId) == null && tControlValidated) {
        CreateControlInUI(objControl, "div", strDivId, strMessage);
    }
    return;
}

function CreateControlInUI(objControl, strElementType, strElementId, strMessage) {
    var iCurLeftPos = 0;
    var iCurTopPos = 0;
    var objDivError = document.createElement(strElementType);
    var objCtrl = objControl;

    objDivError.id = strElementId;
    objDivError.className = "diverrormsg";
    objDivError.style.display = "block";
    objDivError.innerHTML = strMessage;

    objDivError.style.left = objControl.offsetWidth + iCurLeftPos + "px";
    objDivError.style.top = objControl.offsetHeight + iCurTopPos + "px";

    objControl.className = "ctrlerror";

    if (objControl.offsetParent) {

        do {
            iCurLeftPos += objControl.offsetLeft;
            iCurTopPos += objControl.offsetTop;
        } while (objControl = objControl.offsetParent);
    }

    insertAfter(objDivError, objCtrl);

}

//create function, it expects 2 values.
function insertAfter(newElement, targetElement) {
    //target is what you want it to go after. Look for this elements parent.
    var parent = targetElement.parentNode;

    //if the parents lastchild is the targetElement...
    if (parent.lastchild == targetElement) {
        //add the newElement after the target element.
        parent.appendChild(newElement);
    } else {
        // else the target has siblings, insert the new element between the target and it's next sibling.
        parent.insertBefore(newElement, targetElement.nextSibling);
    }
}

// Navigation functions for firstpage,next page, etc

function setNavigationLinks(strGridNo) {
    var iCurPageIndex = 1;
    iCurPageIndex = document.getElementById('hdnCurPageIndex' + strGridNo).value * 1;


    if ((iCurPageIndex * 1) == (1 * 1)) {

        if ((iCurPageIndex * 1) == (document.getElementById('hdnLastPageIndex' + strGridNo).value * 1)) {

            document.getElementById('ButtonFirst' + strGridNo).disabled = true;
            document.getElementById('ButtonPrev' + strGridNo).disabled = true;
            document.getElementById('ButtonNext' + strGridNo).disabled = true;
            document.getElementById('ButtonLast' + strGridNo).disabled = true;

            document.getElementById('ButtonFirst' + strGridNo).src = 'images/icon_firstpage_disabled.gif';
            document.getElementById('ButtonPrev' + strGridNo).src = 'images/icon_prepage_disabled.gif';
            document.getElementById('ButtonNext' + strGridNo).src = 'images/icon_nextpage_disabled.gif';
            document.getElementById('ButtonLast' + strGridNo).src = 'images/icon_lastpage_disabled.gif';


            document.getElementById('ButtonFirst' + strGridNo).style.cursor = "default";
            document.getElementById('ButtonPrev' + strGridNo).style.cursor = "default";
            document.getElementById('ButtonNext' + strGridNo).style.cursor = "default";
            document.getElementById('ButtonLast' + strGridNo).style.cursor = "default";

        }
        else {
            document.getElementById('ButtonFirst' + strGridNo).disabled = true;
            document.getElementById('ButtonPrev' + strGridNo).disabled = true;
            document.getElementById('ButtonNext' + strGridNo).disabled = false;
            document.getElementById('ButtonLast' + strGridNo).disabled = false;

            document.getElementById('ButtonFirst' + strGridNo).style.cursor = "default";
            document.getElementById('ButtonPrev' + strGridNo).style.cursor = "default";
            document.getElementById('ButtonNext' + strGridNo).style.cursor = "pointer";
            document.getElementById('ButtonLast' + strGridNo).style.cursor = "pointer";

            document.getElementById('ButtonFirst' + strGridNo).src = 'images/icon_firstpage_disabled.gif';
            document.getElementById('ButtonPrev' + strGridNo).src = 'images/icon_prepage_disabled.gif';
            document.getElementById('ButtonNext' + strGridNo).src = 'images/icon_nextpage.gif';
            document.getElementById('ButtonLast' + strGridNo).src = 'images/icon_lastpage.gif';
        }


    }
    else if ((iCurPageIndex * 1) == (document.getElementById('hdnLastPageIndex' + strGridNo).value * 1)) {

        document.getElementById('ButtonFirst' + strGridNo).disabled = false;
        document.getElementById('ButtonPrev' + strGridNo).disabled = false;
        document.getElementById('ButtonNext' + strGridNo).disabled = true;
        document.getElementById('ButtonLast' + strGridNo).disabled = true;

        document.getElementById('ButtonFirst' + strGridNo).style.cursor = "pointer";
        document.getElementById('ButtonPrev' + strGridNo).style.cursor = "pointer";
        document.getElementById('ButtonNext' + strGridNo).style.cursor = "default";
        document.getElementById('ButtonLast' + strGridNo).style.cursor = "default";

        document.getElementById('ButtonFirst' + strGridNo).src = 'images/icon_firstpage.gif';
        document.getElementById('ButtonPrev' + strGridNo).src = 'images/icon_prepage.gif';
        document.getElementById('ButtonNext' + strGridNo).src = 'images/icon_nextpage_disabled.gif';
        document.getElementById('ButtonLast' + strGridNo).src = 'images/icon_lastpage_disabled.gif';



    }
    else if ((iCurPageIndex * 1) > (1 * 1) && (iCurPageIndex * 1) < (document.getElementById('hdnLastPageIndex' + strGridNo).value * 1)) {
        document.getElementById('ButtonFirst' + strGridNo).disabled = false;
        document.getElementById('ButtonPrev' + strGridNo).disabled = false;
        document.getElementById('ButtonNext' + strGridNo).disabled = false;
        document.getElementById('ButtonLast' + strGridNo).disabled = false;

        document.getElementById('ButtonFirst' + strGridNo).style.cursor = "pointer";
        document.getElementById('ButtonPrev' + strGridNo).style.cursor = "pointer";
        document.getElementById('ButtonNext' + strGridNo).style.cursor = "pointer";
        document.getElementById('ButtonLast' + strGridNo).style.cursor = "pointer";

        document.getElementById('ButtonFirst' + strGridNo).src = 'images/icon_firstpage.gif';
        document.getElementById('ButtonPrev' + strGridNo).src = 'images/icon_prepage.gif';
        document.getElementById('ButtonNext' + strGridNo).src = 'images/icon_nextpage.gif';
        document.getElementById('ButtonLast' + strGridNo).src = 'images/icon_lastpage.gif';
    }
}


function goFirst(strGridNo) {
    document.getElementById('hdnCurPageIndex' + strGridNo).value = 1 * 1;
}

function goPrev(strGridNo) {
    var iCurPageIndex;
    iCurPageIndex = document.getElementById('hdnCurPageIndex' + strGridNo).value * 1;
    iCurPageIndex = (iCurPageIndex * 1) - (1 * 1);
    document.getElementById('hdnCurPageIndex' + strGridNo).value = iCurPageIndex * 1;

}

function goNext(strGridNo) {
    var iCurPageIndex;
    iCurPageIndex = document.getElementById('hdnCurPageIndex' + strGridNo).value * 1;
    iCurPageIndex = (iCurPageIndex * 1) + (1 * 1);
    document.getElementById('hdnCurPageIndex' + strGridNo).value = iCurPageIndex * 1;

}

function goLast(strGridNo) {
    document.getElementById('hdnCurPageIndex' + strGridNo).value = (document.getElementById('hdnLastPageIndex' + strGridNo).value * 1);
}



/*===================== AJAX GET XML HTTP OBJECT ======================= */

var XMLHttpRequestHandler = {
    ExecuteXMLHttpRequest: function(method, uri, callback, postData, formular) {
        var xmlHttp = XMLHttpRequestHandler.GetXmlHttpObject();
        if (xmlHttp == null) {
            alert("Your browser does not support AJAX!");
            return;
        }
        xmlHttp.open(method, uri, true);
        if (formular)
            xmlHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
        XMLHttpRequestHandler.ManageReadyState(xmlHttp, callback);
        xmlHttp.send(postData || null);
        return xmlHttp;
    },
    ManageReadyState: function(xmlHttp, callback) {
        xmlHttp.onreadystatechange = function() {
            if (xmlHttp && xmlHttp.readyState == 4 && xmlHttp.status == 200) {
                if (callback) {
                    callback(xmlHttp);
                }
            }
        };
    },
    GetXmlHttpObject: function() {
        var xmlHttp;
        try {
            xmlHttp = new XMLHttpRequest;
            XMLHttpRequestHandler.GetXmlHttpObject = function() {
                return new XMLHttpRequest;
            }
        } catch (e) {
            var msxml = [
				"MSXML2.XMLHTTP.5.0",
				"MSXML2.XMLHTTP.4.0",
				"MSXML2.XMLHTTP.3.0",
				"MSXML2.XMLHTTP",
				"Microsoft.XMLHTTP"
			];
            for (var i = 0, len = msxml.length; i < len; i) {
                try {
                    xmlHttp = new ActiveXObject(msxml[i]);
                    XMLHttpRequestHandler.GetXmlHttpObject = function() {
                        return new ActiveXObject(msxml[i]);
                    }
                    break;
                } catch (e) { }
            }
        }
        return xmlHttp;
    }
}

/* ============================== USAGE OF AJAX FUNCTION =============================================
XMLHttpRequestHandler.ExecuteXMLHttpRequest("GET", url, function(strXMLHttpResponse) { NameofTheFunction(strXMLHttpResponse) });
============================== USAGE OF AJAX FUNCTION =============================================*/


/* ======================================== ENCODE/DECODE ROUTINE ======================================== */

function StrEncode(strPlainText) {
    var unencoded = strPlainText;
    return escape(unencoded);
}
function StrDecode(strEncodedText) {
    var encoded = strEncodedText;
    return unescape(encoded.replace(/\+/g, " "));
}


/* ========================== FUNCTION TO LIMIT TEXTAREA LENGTH ================================ */
/* ============== USE THE BELOW FUNCTION ON KEYUP EVENT OF TEXTAREA ==================== */

function canAddCharacter(objtextarea, maxChars) {
    var text = objtextarea.value;
    var iLen = ctlTextArea.length;
    if (iLen > maxChars) {
        text = text.substring(0, maxChars);
        objtextarea.value = text;
        return false;
    }
    //document.myform.limit.value = count-len;
}

/* ============== USE THE BELOW FUNCTION WHILE VALIDATING CONTROLS  ==================== */
function TValidateTextAreaLength(objTextArea, iLength, strFieldName) // function returns boolean.
{
    if (objTextArea.value.length > (iLength - 1)) {
        alert(strFieldName + ' exceeds maximum length.\nMaximum allowed length is ' + iLength + ' characters.')
        return false;
    }
    return true;
}