//Used on Contact Pages to Get Character Count.
function CharCountDisplay(txtBox, divCountDisplay, maxLength) {
    var charCount = txtBox.value.length;
    var divC = document.getElementById(divCountDisplay);
    var remainingC = maxLength - charCount;
    var outText = '';
    if (remainingC >= 0) {
        outText = remainingC + ' character';
        if (remainingC != 1) {
            outText = outText + 's';
        }
        outText = outText + ' remaining';
        divC.className = 'clsTextBoxAreaCount';
    } else {
        outText = 'You are over the character limit (' + maxLength + ')';
        divC.className = 'clsTextBoxAreaCountOverLimit';
    }
    divC.innerHTML = outText;
}

//Set MaxLength for MultiLine asp:TextBox OnKeyPress="return MaxLength(this,1000);"
function MaxLength(txt, maxLen) {
    if (txt.value.length > (maxLen - 1)) return false;
}

//Disable non-numeric key press events
function isNumberKey(evt) {
    var charCode = (evt.which) ? evt.which : event.keyCode
    if (charCode > 31 && (charCode < 48 || charCode > 57)) {
        return false;
    }
    else {
        return true;
    }
}

//Allow only Numbers and dashes
function isNumberKeyorDashes(evt) {
    var charCode = (evt.which) ? evt.which : event.keyCode
    if (charCode > 31 && (charCode < 48 || charCode > 57) && charCode != 45)
        return false;

    return true;
}

//Allow only Numbers and Decimals
function isNumberKeyOrDecimals(evt) {
    var charCode = (evt.which) ? evt.which : event.keyCode
    if (charCode > 31 && (charCode < 48 || charCode > 57) && charCode != 46)
        return false;

    return true;
}

function extractNumber(obj, decimalPlaces, allowNegative) {
    var temp = obj.value;

    // avoid changing things if already formatted correctly
    var reg0Str = '[0-9]*';
    if (decimalPlaces > 0) {
        reg0Str += '\\.?[0-9]{0,' + decimalPlaces + '}';
    } else if (decimalPlaces < 0) {
        reg0Str += '\\.?[0-9]*';
    }
    reg0Str = allowNegative ? '^-?' + reg0Str : '^' + reg0Str;
    reg0Str = reg0Str + '$';
    var reg0 = new RegExp(reg0Str);
    if (reg0.test(temp)) return true;

    // first replace all non numbers
    var reg1Str = '[^0-9' + (decimalPlaces != 0 ? '.' : '') + (allowNegative ? '-' : '') + ']';
    var reg1 = new RegExp(reg1Str, 'g');
    temp = temp.replace(reg1, '');

    if (allowNegative) {
        // replace extra negative
        var hasNegative = temp.length > 0 && temp.charAt(0) == '-';
        var reg2 = /-/g;
        temp = temp.replace(reg2, '');
        if (hasNegative) temp = '-' + temp;
    }

    if (decimalPlaces != 0) {
        var reg3 = /\./g;
        var reg3Array = reg3.exec(temp);
        if (reg3Array != null) {
            // keep only first occurrence of .
            //  and the number of places specified by decimalPlaces or the entire string if decimalPlaces < 0
            var reg3Right = temp.substring(reg3Array.index + reg3Array[0].length);
            reg3Right = reg3Right.replace(reg3, '');
            reg3Right = decimalPlaces > 0 ? reg3Right.substring(0, decimalPlaces) : reg3Right;
            temp = temp.substring(0, reg3Array.index) + '.' + reg3Right;
        }
    }

    obj.value = temp;
}

function blockNonNumbers(obj, e, allowDecimal, allowNegative) {
    var key;
    var isCtrl = false;
    var keychar;
    var reg;

    if (window.event) {
        key = e.keyCode;
        isCtrl = window.event.ctrlKey
    }
    else if (e.which) {
        key = e.which;
        isCtrl = e.ctrlKey;
    }

    if (isNaN(key)) return true;

    keychar = String.fromCharCode(key);

    // check for backspace or delete, or if Ctrl was pressed
    if (key == 8 || isCtrl) {
        return true;
    }

    reg = /\d/;
    var isFirstN = allowNegative ? keychar == '-' && obj.value.indexOf('-') == -1 : false;
    var isFirstD = allowDecimal ? keychar == '.' && obj.value.indexOf('.') == -1 : false;

    return isFirstN || isFirstD || reg.test(keychar);
}


//print specific area of a page
function printSpecial() {
    var gAutoPrint = true;
    if (document.getElementById != null) {
        var html = '<HTML>\n<HEAD>\n';

        if (document.getElementsByTagName != null) {
            var headTags = document.getElementsByTagName("head");
            if (headTags.length > 0)
                html += headTags[0].innerHTML;
        }

        html += '\n</HEAD>\n\<BODY style="background-color:White;">';

        var printReadyElem = document.getElementById("printReady");

        if (printReadyElem != null) {
            html += printReadyElem.innerHTML;
        }
        else {
            alert("Could not find the printReady function");
            return;
        }

        html += '\n</BODY>\n</HTML>';

        var printWin = window.open("", "printSpecial");
        printWin.document.open();
        printWin.document.write(html);
        printWin.location.reload();
        if (gAutoPrint) {
            printWin.print();
        }
    }
    else {
        alert("The print ready feature is only available if you are using an updated browser. Please update your browswer.");
    }
}

//<USED FOR HELP DIV POPUPS>
var cX = 0; var cY = 0; var rX = 0; var rY = 0;
function UpdateCursorPosition(e) { cX = e.pageX; cY = e.pageY; }
function UpdateCursorPositionDocAll(e) { cX = event.clientX; cY = event.clientY; } if (document.all) { document.onmousemove = UpdateCursorPositionDocAll; } else { document.onmousemove = UpdateCursorPosition; }
function AssignPosition(d) { if (self.pageYOffset) { rX = self.pageXOffset; rY = self.pageYOffset; } else if (document.documentElement && document.documentElement.scrollTop) { rX = document.documentElement.scrollLeft; rY = document.documentElement.scrollTop; } else if (document.body) { rX = document.body.scrollLeft; rY = document.body.scrollTop; } if (document.all) { cX += rX; cY += rY; } d.style.left = (cX + 10) + "px"; d.style.top = (cY + 10) + "px"; }
function HideContent(d) { if (d.length < 1) { return; } document.getElementById(d).style.display = "none"; }
function ShowContent(d) { if (d.length < 1) { return; } var dd = document.getElementById(d); AssignPosition(dd); dd.style.display = "block"; }
function ReverseContentDisplay(d) { if (d.length < 1) { return; } var dd = document.getElementById(d); AssignPosition(dd); if (dd.style.display == "none") { dd.style.display = "block"; } else { dd.style.display = "none"; } }
//</USED FOR HELP DIV POPUPS>

//Select all check boxes.
function CheckBoxListSelect(cbControl, state) {
    var chkBoxList = document.getElementById(cbControl);
    var chkBoxCount = chkBoxList.getElementsByTagName("input");
    for (var i = 0; i < chkBoxCount.length; i++) {
        chkBoxCount[i].checked = state;
    }
    return false;
}

function ChangeCheckBoxState(id, checkState) {
    var cb = document.getElementById(id);
    if (cb != null)
        cb.checked = checkState;
}

function ChangeAllCheckBoxStates(CheckBoxIDs, checkState) {
    // Toggles through all of the checkboxes defined in the CheckBoxIDs array
    // and updates their value to the checkState input parameter
    if (CheckBoxIDs != null) {
        for (var i = 0; i < CheckBoxIDs.length; i++)
            ChangeCheckBoxState(CheckBoxIDs[i], checkState);
    }
}

function ChangeHeaderAsNeeded(CheckBoxIDs) {
    // Whenever a checkbox in the GridView is toggled, we need to
    // check the Header checkbox if ALL of the GridView checkboxes are
    // checked, and uncheck it otherwise
    if (CheckBoxIDs != null) {
        // check to see if all other checkboxes are checked
        for (var i = 1; i < CheckBoxIDs.length; i++) {
            var cb = document.getElementById(CheckBoxIDs[i]);
            if (!cb.checked) {
                // Whoops, there is an unchecked checkbox, make sure
                // that the header checkbox is unchecked
                ChangeCheckBoxState(CheckBoxIDs[0], false);
                return;
            }
        }
        // If we reach here, ALL GridView checkboxes are checked
        ChangeCheckBoxState(CheckBoxIDs[0], true);
    }
}

function OnClientNodeCheckingHandler(sender, eventArgs) {
    var node = eventArgs.get_node();

    if (node.get_checked()) {
        uncheckAllChildren(node);
    }
}

function uncheckAllChildren(node) {
    var nodes = node.get_nodes();

    for (var i = 0; i < nodes.get_count(); i++) {
        var child = nodes.getNode(i);
        child.uncheck();
        uncheckAllChildren(child);
    }
}

function OnCheckBoxCheckChanged(evt) {
    var src = window.event != window.undefined ? window.event.srcElement : evt.target;
    var isChkBoxClick = (src.tagName.toLowerCase() == "input" && src.type == "checkbox");
    if (isChkBoxClick) {
        var parentTable = GetParentByTagName("table", src);
        var nxtSibling = parentTable.nextSibling;
        if (nxtSibling && nxtSibling.nodeType == 1)//check if nxt sibling is not null & is an element node 
        {
            if (nxtSibling.tagName.toLowerCase() == "div") //if node has children 
            {
                //check or uncheck children at all levels 
                CheckUncheckChildren(parentTable.nextSibling, src.checked);
            }
        }
        //check or uncheck parents at all levels 
        CheckUncheckParents(src, src.checked);
    }
}
function CheckUncheckChildren(childContainer, check) {
    var childChkBoxes = childContainer.getElementsByTagName("input");
    var childChkBoxCount = childChkBoxes.length;
    for (var i = 0; i < childChkBoxCount; i++) {
        childChkBoxes[i].checked = check;
    }
}
function CheckUncheckParents(srcChild, check) {
    var parentDiv = GetParentByTagName("div", srcChild);
    var parentNodeTable = parentDiv.previousSibling;

    if (parentNodeTable) {
        var checkUncheckSwitch;

        if (check) //checkbox checked 
        {
            var isAllSiblingsChecked = AreAllSiblingsChecked(srcChild);
            if (isAllSiblingsChecked)
                checkUncheckSwitch = true;
            else
                return; //do not need to check parent if any(one or more) child not checked 
        }
        else //checkbox unchecked 
        {
            checkUncheckSwitch = false;
        }

        var inpElemsInParentTable = parentNodeTable.getElementsByTagName("input");
        if (inpElemsInParentTable.length > 0) {
            var parentNodeChkBox = inpElemsInParentTable[0];
            parentNodeChkBox.checked = checkUncheckSwitch;
            //do the same recursively 
            CheckUncheckParents(parentNodeChkBox, checkUncheckSwitch);
        }
    }
}
function AreAllSiblingsChecked(chkBox) {
    var parentDiv = GetParentByTagName("div", chkBox);
    var childCount = parentDiv.childNodes.length;
    for (var i = 0; i < childCount; i++) {
        if (parentDiv.childNodes[i].nodeType == 1) //check if the child node is an element node 
        {
            if (parentDiv.childNodes[i].tagName.toLowerCase() == "table") {
                var prevChkBox = parentDiv.childNodes[i].getElementsByTagName("input")[0];
                //if any of sibling nodes are not checked, return false 
                if (!prevChkBox.checked) {
                    return false;
                }
            }
        }
    }
    return true;
}
//utility function to get the container of an element by tagname 
function GetParentByTagName(parentTagName, childElementObj) {
    var parent = childElementObj.parentNode;
    while (parent.tagName.toLowerCase() != parentTagName.toLowerCase()) {
        parent = parent.parentNode;
    }
    return parent;
}