var imgN = 0

function changeImage(imgName,imgPath,imgExt,countImg,timeout)
{
  var imgObj = document.getElementById(imgName);
  imgN = ( (imgN) % countImg ) + 1;
  imgObj.src=imgPath+imgN+"."+imgExt;
  setTimeout("changeImage('"+imgName+"','"+imgPath+"','"+imgExt+"',"+countImg+","+timeout+")", timeout);
}

function openBigImage(imgObj)
{
  var imgPathName = imgObj.src;
  var dotIdx = imgPathName.lastIndexOf(".");
  var bigImg = imgPathName.substring(0,dotIdx)+"_big"+imgPathName.substring(dotIdx);
  window.open(bigImg,'_blank','toolbar=no,statusbar=no,scrollbar=no,width=530,height=750,resizable=yes');
}

function joinML()
{
  var mail = document.getElementById("mail").value;
  var yourMailObj = document.getElementById("yourMail");
  var actionObj = document.getElementById("mlAction");
  var theForm = document.getElementById("mailingListForm");

  if (trim(mail)=="") {
    alert("inserisci il tuo indirizzo mail!");
    return false;
  }
  yourMailObj.value = mail;
  actionObj.value = 'joinML';
  theForm.submit();
}

function leaveML()
{
  var mail = document.getElementById("mail").value;
  var yourMailObj = document.getElementById("yourMail");
  var actionObj = document.getElementById("mlAction");
  var theForm = document.getElementById("mailingListForm");

  if (trim(mail)=="") {
    alert("inserisci il tuo indirizzo mail!");
    return false;
  }
  yourMailObj.value = mail;
  actionObj.value = 'leaveML';
  theForm.submit();
}








/***************/
/*** UTILITY ***/
/***************/
function trim(stringa) 
{
  while (stringa.substring(0,1) == ' ')
  {
    stringa = stringa.substring(1, stringa.length);
  }
  while (stringa.substring(stringa.length-1, stringa.length) == ' ')
  {
    stringa = stringa.substring(0,stringa.length-1);
  }
  return stringa;
}
/***************/
/***************/
/***************/