function OpenNewWindow(strFile, intWidth, intHeight) {
    var winW = Math.round((screen.width - intWidth) / 2);
    var winH = Math.round((screen.height - intHeight) / 2);

    win = window.open(strFile, null, 'toolbar=no,height=' + intHeight + ',width=' + intWidth + ',status=no,menubar=no,resizable=no,location=no');
    return false;
}

function loadwindow(strFile, intWidth, intHeight) {

    //window.open(strFile,);
    window.open(strFile, '_blank', 'toolbar=no,height=' + intHeight + ',width=' + intWidth + ',status=no,menubar=no,resizable=no,location=no');
    return false;

}

function ShowMyModalPopup(mpeCostID, SourceNameID, CommunicationID, CostID, hfAdvertisementCampaignID, RangeValidator1ID, AdvertisementCampaignID, AdvertisementCampaignCommunication, AdvertisementCampaignSourceDisplayText, Cost) {

    var modal = $find(mpeCostID);
    var source = document.getElementById(SourceNameID);
    var displaytext = document.getElementById(CommunicationID);

    var cost = document.getElementById(CostID);
    var id = document.getElementById(hfAdvertisementCampaignID);
    var validator = document.getElementById(RangeValidator1ID);

    source.innerHTML = AdvertisementCampaignSourceDisplayText;
    displaytext.innerHTML = AdvertisementCampaignCommunication;

    cost.value = Cost;
    id.value = AdvertisementCampaignID;
    validator.style.display = "none";

    modal.show();
}

function OnTreeClick(evt) {
    try {
        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);
        }
    }
    catch (err) {
        //do nothing
    }
}

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;
}