function ThinkPaPOver(a, b) {
    if (a.className == "active") return;
    var c = a.parentNode.id;
    var d = document.getElementById(c).getElementsByTagName("h4");
    for (i = 0; i < d.length; i++) {
        if (i == b) {
            a.className = "active";
            document.getElementById(c + "_C" + i).style.display = "block"
        } else {
            d[i].className = "normal";
            document.getElementById(c + "_C" + i).style.display = "none"
        }
    }
}