function showHideSubCats(ulID, moreButtonID, lessButtonID) {
    var ulObj = document.getElementById(ulID);
    var moreButtonObj = document.getElementById(moreButtonID);
    var lessButtonObj = document.getElementById(lessButtonID);
    if (ulObj) {
        if (ulObj.className == "IsCollapsed") {
            ulObj.className = "";
            moreButtonObj.style.display = "none";
            lessButtonObj.style.display = "";
        }
        else {
            ulObj.className = "IsCollapsed";
            moreButtonObj.style.display = "";
            lessButtonObj.style.display = "none";
        }
    }
}