var DHTML = (document.getElementById || document.all || document.layers);

var win = null;
function NewWindow(mypage,myname,ww,hh,scroll){
LeftPosition = (screen.width) ? (window.screen.width-ww)/2 : 0;
TopPosition = (screen.height) ? (window.screen.height-hh)/2 : 0;
settings =
'height='+hh+',width='+ww+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable'
win = window.open(mypage,myname,settings)
}
function dom(element){
  if(document.getElementById){
    return document.getElementById(element);
  }else if(document.all){
    return document.all(element);
  }else if(document.layers){
    return document.layers(element);
  }else{
    return alert("browser non compatibile.");
  }
}

function setta_visibile(id){
  if(!id) return;
  //id.style.height = "100%";
  id.style.display = "block";
  id.style.visibility = "visible";
}
function setta_invisibile(id){
  if(!id) return;
  //id.style.height = "0px";
  id.style.display = "none";
  id.style.visibility = "hidden";
}
function is_visible(id){
  if(!id) return;
  if(id.style.visibility=="visible"){
    
    return true;
    } else {
    return false;
  }
}

function menu_active(element)
{
  var nomi_menu = new Array();
  nomi_menu = ["menu_azienda","menu_coltivazione","menu_vinificazione","menu_vini","menu_territorio"];
    for(var i=0;i<nomi_menu.length;i++){
      id = dom(nomi_menu[i]);
      id_confronto = dom(element);
      if(is_visible(id) && id != id_confronto){
          setta_invisibile(id);
      };
    };
  
  id = dom(element);
  if(!is_visible(id)){
    setta_visibile(id);
  } else {
    //setta_invisibile(id);
  };
}

function menu_attivo(element)
{
  var nomi_menu = new Array();
  nomi_menu = ["menu_azienda","menu_coltivazione","menu_vinificazione","menu_vini","menu_territorio"];
    for(var i=0;i<nomi_menu.length;i++){
      id = dom(nomi_menu[i]);
      if(is_visible(id)){
          setta_invisibile(id);
      };
    };
  if(element != 'menu_False'){
  id = dom(element);
  setta_visibile(id);
  }
}