window.onload = setCurrentCase;
var currentCase = null;

function showBackgroundFirstCase() {
    currentCase = 0
    var FriendsCardImageCurrent = document.getElementById("FriendsCardImage" + currentCase);
    var CelebrationCardImageCurrent = document.getElementById("CelebrationCardImage" + currentCase);
    if (CelebrationCardImageCurrent != null) {
        document.getElementById("CelebrationCardImage" + currentCase).style.display = "block";
        /*document.getElementById("FriendscardBackgrounds").style.display = "none";*/
        /*document.getElementById("CelebrationcardBackgrounds").style.display = "block";*/
    }
    if (FriendsCardImageCurrent != null) {
        document.getElementById("FriendsCardImage" + currentCase).style.display = "block";
        /*document.getElementById("FriendscardBackgrounds").style.display = "block";*/
        /*document.getElementById("CelebrationcardBackgrounds").style.display = "none";*/
    }
}

function setCurrentCase() {
    currentCase = 0
}

function ShowNextCase(caseCount) {       
    currentCase = currentCase + 1;
    var previousCase = currentCase - 1;

    if (currentCase == caseCount) {
        currentCase = 0;
    }

    document.getElementById("body").style.background = "none";
    document.getElementById("CaseTitle" + currentCase).style.display = "block";
    document.getElementById("CaseTitle" + previousCase).style.display = "none";
    document.getElementById("CaseContent" + currentCase).style.display = "block";
    document.getElementById("CaseContent" + previousCase).style.display = "none";
    document.getElementById("divCaseLinkButton" + currentCase).style.display = "block";
    document.getElementById("divCaseLinkButton" + previousCase).style.display = "none";

    var CelebrationCardImageCurrent = document.getElementById("CelebrationCardImage" + currentCase);
    var CelebrationCardImagePrevious = document.getElementById("CelebrationCardImage" + previousCase);
    var FriendsCardImageCurrent = document.getElementById("FriendsCardImage" + currentCase);
    var FriendsCardImagePrevious = document.getElementById("FriendsCardImage" + previousCase);

    if (CelebrationCardImageCurrent != null) {
        document.getElementById("CelebrationCardImage" + currentCase).style.display = "block";
        /*document.getElementById("FriendscardBackgrounds").style.display = "none";*/
        /*document.getElementById("CelebrationcardBackgrounds").style.display = "block";*/
            
    }
    if (CelebrationCardImagePrevious != null) {
        document.getElementById("CelebrationCardImage" + previousCase).style.display = "none";
    }
    if (FriendsCardImageCurrent != null) {
        document.getElementById("FriendsCardImage" + currentCase).style.display = "block";
        /*document.getElementById("FriendscardBackgrounds").style.display = "block";*/
        /*document.getElementById("CelebrationcardBackgrounds").style.display = "none";*/
    }
    if (FriendsCardImagePrevious != null) {
        document.getElementById("FriendsCardImage" + previousCase).style.display = "none";
    }

    if (CelebrationCardImageCurrent != null && FriendsCardImagePrevious != null) {        
        photoGallery('switch');
    }

    if (FriendsCardImageCurrent != null && CelebrationCardImagePrevious != null) {
        photoGallery('switch');
    }
    
}