var id_menu = new Array();
 
function allclose() {
     for (i=0; i < id_menu.length; i++){
          document.getElementById(id_menu[i]).style.display = "none";
     }
}
 
function openMenu(id, call){
     for (i=0; i < id_menu.length; i++){
          if (id != id_menu[i]){
               document.getElementById(id_menu[i]).style.display = "none";
               document.getElementById(id_menu[i]).parentNode.className = "";
          }
     }
     if (document.getElementById(id).style.display == "block"){
          document.getElementById(id).style.display = "none";
          call.parentNode.className = "";
     }else{
          document.getElementById(id).style.display = "block";
          call.parentNode.className = "red";
     }
}