var cListToShow;

function evaluatePageSize()
{
    var iframe = parent.document.getElementById("idInhalt");
    iframe.height=0;
    iframe.height=Math.max(document.body.scrollHeight, document.body.offsetHeight)+2;
}

function showEbene2(listToShow, parentElement)
{    
    if (cListToShow)
       {
        document.getElementById(cListToShow).style.display = "none";
       }
    
    cListToShow = listToShow;
    var lTSObject = document.getElementById(listToShow);
    document.getElementById(listToShow).style.display="inline";
    var lPosition = evaluateObjectPosition(listToShow);
    var lPositionOfParent = evaluateObjectPosition(parentElement);
    if ((lPosition - lPositionOfParent) > 0)
        {
        lTSObject.style.position = "relative";
        lTSObject.style.left = lPositionOfParent - lPosition;
       }
}

function hideEbene2(listToHide)
{
//    document.getElementById(listToHide).style.display="none";
}


function evaluateObjectPosition(inID)
{
    var savelObject = parent.document.getElementById(inID);
    var lObject = savelObject;
    var leftOffset = 0;

    if (!(lObject.offsetParent))
        {
        return 0;
       }
    
    while (lObject.offsetParent)
        {
        leftOffset += lObject.offsetLeft;
        lObject = lObject.offsetParent;
       }

    return leftOffset;
}