function To(ref) { window.location = ref; }
function OverItem(obj, i) {
    var next = $get('item' + (i + 1));
    if (next == null) return;

    if (i == 1) {
        var left = $get('item0');
        if (left == null) return;

        left.className = "Nav2LeftUp";
        obj.className = "Nav2Item1Over";
    }
    else obj.className = "Nav2ItemOver1";
    next.className = "Nav2ItemOver2";
}
function OutOfItem(obj, i) {
    var next = $get('item' + (i + 1));
    if (next == null) return;

    if (i == 1) {
        var left = $get('item0');
        if (left == null) return;

        left.className = "Nav2Left";
        obj.className = "Nav2Item1";
    }
    else obj.className = "Nav2Item";
    next.className = "Nav2Item";
}
function OverLastItem(obj, i) {
    var next = $get('item' + (i + 1));
    if (next == null) return;

    obj.className = "Nav2ItemOver1";
    next.className = "Nav2LastUp";
}
function OutOfLastItem(obj, i) {
    var next = $get('item' + (i + 1));
    if (next == null) return;


    obj.className = "Nav2Item";
    next.className = "Nav2Last";
}