function ShowHideItem(ItemName)
{
    var Item = document.getElementById(ItemName);
    Item.style.display = Item.style.display == "block" ? "none" : "block";
}

function ShowItem(ItemName, ItemDisplay)
{
    var Item = document.getElementById(ItemName);
    Item.style.display = ItemDisplay ? "block" : "none";
}

// --- FOLDERS --------------------------------------------------------------------------------------------------------------- //

function ShowHideFolder(ItemName)
{
    ShowHideItem ("F" + ItemName);
    var ItemImage = document.getElementById("FI" + ItemName);
    var strImage = ItemImage.src.toLowerCase();
    ItemImage.src = strImage.lastIndexOf("open") > 0 ? strImage.replace("open", "close") : strImage.replace("close", "open");
}

function ShowFolder(ItemName, ItemDisplay)
{
    ShowItem ("F" + ItemName, ItemDisplay);
    var ItemImage = document.getElementById("FI" + ItemName);
    var strImage = ItemImage.src.toLowerCase();
    ItemImage.src = ItemDisplay ? strImage.replace("close", "open") : strImage.replace("open", "close");
}