function dyniframesize(flashid) 
{
    //do nothing   
}
function showSub(obj) {
    var hiddenQuestion = obj.parentNode.parentNode.getElementsByTagName("OL")[0];
    hiddenQuestion.style.display = "block";
}

function hideSub(obj) {
    var hiddenQuestion = obj.parentNode.parentNode.getElementsByTagName("OL")[0];
    hiddenQuestion.style.display = "none";
}

function HideElement(id) {
    if (document.getElementById(id)) {
        document.getElementById(id).display = "none";
    }
}

function ShowElement(id) {
    if (document.getElementById(id)) {
        document.getElementById(id).display = "block";
    }
}

function ToggleElement(toggleElement, imageElement, plusImage, minusImage) {
    if (document.getElementById(toggleElement)) {
        if (document.getElementById(toggleElement).style.display == "none") {
            document.getElementById(toggleElement).style.display = "block";
            if (document.getElementById(imageElement) && minusImage != "") {
                document.getElementById(imageElement).src = minusImage;
            }
        } else {
            document.getElementById(toggleElement).style.display = "none";
            if (document.getElementById(imageElement) && plusImage != "") {
                document.getElementById(imageElement).src = plusImage;
            }
        }
    }
}

function validateAnswer(listTag, answer, explanation) {

    var div = listTag.parentNode.parentNode.parentNode;
    var span = null;
    var explanationContainer = null;

    for (var counter = 0; counter < div.childNodes.length; counter++) {
        if (div.childNodes[counter].nodeName == "SPAN" && (div.childNodes[counter].className == "correct" || div.childNodes[counter].className == "incorrect")) {
            span = div.childNodes[counter];
        }

        if (div.childNodes[counter].className == "quiz-explanation") {
            explanationContainer = div.childNodes[counter];
            explanationContainer.innerHTML = explanation;
        }
    }

    if (span == null) {
        span = document.createElement("span");
        div.insertBefore(span, explanationContainer);
    }

    if (answer) {
        span.className = "correct";
        span.innerHTML = "Correct";

        if (LastPage == false) {
            if (btnNext.disabled == true) {
                btnNext.disabled = false;
                btnNext.className = "btnBackbtnNext btnNext";
            }
        }

    }
    else {
        span.className = "incorrect";
        span.innerHTML = "Incorrect";
    }
    explanationContainer.style.display = "block";


}
function ReplaceCSSForFlash() {
    var theBox = document.getElementById("playerDiv");
    theBox.id = "playerDiv1";

    var theBox1 = document.getElementById("content");
    theBox1.id = "content1";

    document.getElementById("top-nav").innerHTML = '<div  visible="false">';
    document.getElementById("course-heading").innerHTML = '<div visible="false">';

}

//This function add the function event once page is get loaded. 
function addLoadListener(fn) {
    var browserName = navigator.appName;
    if (typeof window.addEventListener != 'undefined') {
        window.addEventListener('load', fn, false);
    }
    else if (typeof document.addEventListener != 'undefined') {
        document.addEventListener('load', fn, false);
    }
    else if (browserName == "Microsoft Internet Explorer") {
        if (typeof window.attachEvent != 'undefined') {
            window.attachEvent('onload', fn);
        }
    }
    else {
        var oldfn = window.onload;
        if (typeof window.onload != 'function') {
            window.onload = fn;
        }
        else {
            window.onload = function () {
                oldfn();
                fn();
            };
        }
    }
}