function ChangeUpColor(sid)
{
    var obj;
    var tid;
    obj = document.getElementById("nav"+sid);
    obj.style.color="#903383";
}

function ChangeDownColor(sid)
{
    var obj;
    var tid;
    obj = document.getElementById("nav"+sid);
    obj.style.color="#333";
}

function ChangeInfoUpColor(sid)
{
    var obj;
    var tid;
    obj = document.getElementById("info"+sid);
    obj.style.color="#333";
}

function ChangeInfoDownColor(sid)
{
    var obj;
    var tid;
    obj = document.getElementById("info"+sid);
    obj.style.color="#903383";
}

function ChangeImgOn(obj,src)
{
    obj.src = 'images/' + src;
}

function ChangeImgOut(obj,src)
{
    obj.src = 'images/' + src;
}