// mostra o nasconde i div
function toggle( targetId ){
  if (document.getElementById){
    target = document.getElementById( targetId );
      if (target.style.display == "none"){
        target.style.display = "";
      } else {
        target.style.display = "none";
      }
  }
}
//nascondi
function nascondi( targetId ){
  if (document.getElementById){
    target = document.getElementById( targetId );
        target.style.display = "none";}
}

//mostra
function mostra( targetId ){
  if (document.getElementById){
    target = document.getElementById( targetId );
        target.style.display = "";}
}
//apre nuovafinestra
function nuovafinestra() { 
    for (var i=0; i<document.links.length; i++)
        if (document.links[i].className=="blank") {
            document.links[i].target="_blank";
        } 
}
window.onload = nuovafinestra;