// Javascript document
var currThumbnail = 0;
var curVideo = 0;
function getFlashMovie(movieName) {
    return document[movieName];
}
function jsLoadVid(vidNum, captionText) {
    getFlashMovie("C2cDetailVideoPlayer").jsToAsLoadVideo(vidNum);

    var capt = document.getElementById('VideoCaption');
    if (capt) {
        if (capt != null) {
            capt.innerHTML = captionText;
        }
    }

    try {
        for (i = 0; i <= 50; i++) {
            var mrkrs = document.getElementById('video' + i);
            if (mrkrs) {
                if (mrkrs != null) {
                    mrkrs.style.display = 'none';
                }
            }
        }
    } catch (err) { }

    var mrkr = document.getElementById('video' + vidNum);
    if (mrkr) {
        if (mrkr != null) {
            mrkr.style.display = 'block';
            curVideo = vidNum;
        }
    }
}
function jsSelectInitialVideo(vidNum, captionText) {
    currThumbnail = 0;
    if ((vidNum == 0 || vidNum % 4 == 0) && vidNum <= 3) {
        var mrkr = document.getElementById('video' + vidNum);
        if (mrkr) {
            if (mrkr != null) {
                mrkr.style.display = 'block';
            }
        }
        var capt = document.getElementById('VideoCaption');
        if (capt) {
            if (capt != null) {
                capt.innerHTML = captionText;
            }
        }
    }
}

function jsAdvanceThumbnail(advLeft) {
    if (advLeft) {
        if (currThumbnail != 0) {
            var prevThumbnail = currThumbnail - 1;
            var prv = document.getElementById('thumbnail' + prevThumbnail);
            if (prv) {
                if (prv != null) {
                    var nextThumbnail = prevThumbnail + 4;
                    var nxt = document.getElementById('thumbnail' + nextThumbnail);
                    if (nxt) {
                        if (nxt != null) {
                            nxt.style.display = 'none';
                            if (curVideo == prevThumbnail) {
                                var mrkr = document.getElementById('video' + prevThumbnail);
                                if (mrkr) {
                                    if (mrkr != null) {
                                        mrkr.style.display = 'block';
                                    }
                                }
                            }
                        }
                    }
                    prv.style.display = 'block';
                    prv.parentNode.style.display = 'block';
                    currThumbnail = currThumbnail - 1;
                }
            }
        }
    } else { // advance right
        var nextThumbnail = currThumbnail + 4;
        var nxt = document.getElementById('thumbnail' + nextThumbnail);
        if (nxt) {
            if (nxt != null) {
                var prv = document.getElementById('thumbnail' + currThumbnail);
                if (prv) {
                    if (prv != null) {
                        prv.style.display = 'none';
                        prv.parentNode.style.display = 'none';
                        var mrkr = document.getElementById('video' + currThumbnail);
                        if (mrkr) {
                            if (mrkr != null) {
                                mrkr.style.display = 'none';
                            }
                        }
                    }
                }
                nxt.style.display = 'block';
                currThumbnail = currThumbnail + 1;
            }
        }
    }
}