var old_menu = '';
var old_cell = '';

function menuclick( submenu ,cellbar) {
        if( old_menu != submenu ) {
                if( old_menu !='' ) {
                        old_menu.style.display = 'none';
                }
                submenu.style.display = 'block';
                old_menu = submenu;
                old_cell = cellbar;

        } else {
                submenu.style.display = 'none';
                old_menu = '';
                old_cell = '';
        }
}

function MM_callJS(jsStr) { //v2.0
  return eval(jsStr)
}