function expand(button, name, min)
{
    obj = document.getElementsByName(name)[0];
    size = obj.size;
    if (size == min)
    { 
        obj.size = obj.length;
        button.value = "Zuklappen (nur sichtbares Fenster)";
    }
    else
    {
        obj.size = min;
        button.value = "Aufklappen (alle sichtbar)";
    }            
}

function sbranch(i)
{
    if (i)
    {
        getObject("exactly").style.display = "none";
        getObject("multiple").style.display = "";
    }
    else
    {
        getObject("exactly").style.display = "";
        getObject("multiple").style.display = "none";
    }
}

function unselect()
{
    if (document.getElementsByName("ways[]")[0].checked == false) return;
    for (var i=1; i < document.getElementsByName("ways[]").length; i++) document.getElementsByName("ways[]")[i].checked = false;
}

function unselect1()
{
    document.getElementsByName("ways[]")[0].checked = false;
}