<!-- 

if (document.images) {

  var first_off = new Image();
  first_off.src = "pic/header/menu/home.gif";
  var first_on = new Image();
  first_on.src = "pic/header/menu/home_on.gif";

  var second_off = new Image();
  second_off.src = "pic/header/menu/etna.gif";
  var second_on = new Image();
  second_on.src = "pic/header/menu/etna_on.gif";

  var third_off = new Image();
  third_off.src = "pic/header/menu/foto.gif";
  var third_on = new Image();
  third_on.src = "pic/header/menu/foto_on.gif";

  var fourth_off = new Image();
  fourth_off.src = "pic/header/menu/map.gif";
  var fourth_on = new Image();
  fourth_on.src = "pic/header/menu/map_on.gif";

  var fifth_off = new Image();
  fifth_off.src = "pic/header/menu/book.gif";
  var fifth_on = new Image();
  fifth_on.src = "pic/header/menu/book_on.gif";

  var sixth_off = new Image();
  sixth_off.src = "pic/header/menu/links.gif";
  var sixth_on = new Image();
  sixth_on.src = "pic/header/menu/links_on.gif";

  var seventh_off = new Image();
  seventh_off.src = "pic/header/menu/cont.gif";
  var seventh_on = new Image();
  seventh_on.src = "pic/header/menu/cont_on.gif";

  var eighth_off = new Image();
  eighth_off.src = "pic/button/book.gif";
  var eighth_on = new Image();
  eighth_on.src = "pic/button/book_on.gif";

  var ninth_off = new Image();
  ninth_off.src = "pic/button/foto.gif";
  var ninth_on = new Image();
  ninth_on.src = "pic/button/foto_on.gif";

  var tenth_off = new Image();
  tenth_off.src = "pic/button/maps.gif";
  var tenth_on = new Image();
  tenth_on.src = "pic/button/maps_on.gif";
  
  var eleven_off = new Image();
  eleven_off.src = "pic/button/etna.gif";
  var eleven_on = new Image();
  eleven_on.src = "pic/button/etna_on.gif"; 
 
  var twelve_off = new Image();
  twelve_off.src = "pic/button/affi.gif";
  var twelve_on = new Image();
  twelve_on.src = "pic/button/affi_on.gif";
  
  

  var fourteen_off = new Image();
  fourteen_off.src = "pic/button/cont.gif";
  var fourteen_on = new Image();
  fourteen_on.src = "pic/button/cont_on.gif";
  
   var fifteen_off = new Image();
  fifteen_off.src = "pic/header/menu/faq.gif";
  var fifteen_on = new Image();
  fifteen_on.src = "pic/header/menu/faq_on.gif";

  var sixteen_off = new Image();
  sixteen_off.src = "pic/header/menu/index.gif";
  var sixteen_on = new Image();
  sixteen_on.src = "pic/header/menu/index_on.gif";
}

function activate(imgName) {
  if (document.images) {
    if ( eval(imgName + "_on.complete") ) {
      document.images[imgName].src = eval(imgName + "_on.src");
    }
  }
}

function deactivate(imgName) {
  if (document.images) {
    if ( eval(imgName + "_off.complete") ) {
      document.images[imgName].src = eval(imgName + "_off.src");
    }
  }
}

//-->