function seleziona(ULElement)
{
    for(var i in ULElement.parentNode.childNodes)
    {
        var ChildElement = ULElement.parentNode.childNodes[i];
        if (ChildElement.name == "PARENT_A")
        {
            ChildElement.className = "Selezionato";
            return;
        }
    }
    
}

function deseleziona(ULElement)
{
    for(var i in ULElement.parentNode.childNodes)
    {
        var ChildElement = ULElement.parentNode.childNodes[i];
        if (ChildElement.name == "PARENT_A")
        {
            ChildElement.className = "";
            return;
        }
    }
}