function ShowSubMenu(_categoryId) {
    var _menu = document.getElementById('dvSubMenu');
    if (_menu) {
        for (var i = 0; i < _menu.childNodes.length; i++) {
            try {
                _menu.childNodes[i].style.display = 'none';
            }
            catch (Error) { }
         }
    }
    //
    var _subMenu = document.getElementById(('subMenu_' + _categoryId));
    if (_subMenu) {
        _subMenu.style.display = 'block';
    }
}
function Return2Select() {
    var _selectMenuId = document.getElementById('hSelectCategory');
    if (_selectMenuId) {
        if (_selectMenuId.value.toString() != '-1') {
            ShowSubMenu(_selectMenuId.value);
        } 
    }
}
function SelectMenuItem() {
    var _selectMenuId = document.getElementById('hSelectCategory');
    if (_selectMenuId) {
        if (_selectMenuId.value.toString() != '-1') {
            var _li = document.getElementById(('MainMenu_' + _selectMenuId.value));
            _li.style.background = "url('/img/main_menu_tlx.jpg')";
        }
    }
}