function ShowHide(subtekst,image)
{
        var thisLevel = document.getElementById(subtekst);
        var thisImage = document.getElementById(image);

        if (thisLevel.style.display == "none")
        {
                thisLevel.style.display = "block";
                thisImage.style.textDecoration = "underline"
        }
        else
        {
                var thisLevel = document.getElementById(subtekst);
                thisLevel.style.display = "none";
                thisImage.style.textDecoration = "none";

        }        
}

function ShowHide(subtekst2,image2)
{
        var thisLevel = document.getElementById(subtekst2);
        var thisImage = document.getElementById(image2);

        if (thisLevel.style.display == "none")
        {
                thisLevel.style.display = "block";
                thisImage.style.textDecoration = "underline"
        }
        else
        {
                var thisLevel = document.getElementById(subtekst2);
                thisLevel.style.display = "none";
                thisImage.style.textDecoration = "none";

        }        
}

function ShowHide(subtekst3,image3)
{
        var thisLevel = document.getElementById(subtekst3);
        var thisImage = document.getElementById(image3);

        if (thisLevel.style.display == "none")
        {
                thisLevel.style.display = "block";
                thisImage.style.textDecoration = "underline"
        }
        else
        {
                var thisLevel = document.getElementById(subtekst3);
                thisLevel.style.display = "none";
                thisImage.style.textDecoration = "none";

        }        
}