// formulaire login
function razInput(champ) {
if(champ.value=='titre, acteur, réalisateur') {champ.value='';}
if(champ.value=='saisir un titre, acteur, ...') {champ.value='';}
}

function goFilm(id) {
	document.location='/classement.php?id='+id;
}
function goAnnee(id) {
	document.location='/Decennie.php?decennie='+id;
}
function AnneeFilms(id) {
	document.location='/meilleurs-films-annee-'+id+'.php';
}
function YearMovies(id) {
	document.location='/best-movies-year-'+id+'.php';
}

function goGenre(id) {
	document.location='/Genre.php?genre='+id;
}
function GenreFilms(id,id2) {
	document.location='/meilleurs-films-genre-'+id+'.php?genreId='+id2;
}
function GenreMovies(id,id2) {
	document.location='/best-movies-genre-'+id+'.php?genreId='+id2;
}

function goActeur(id) {
	document.location='/Acteur.php?acteur='+id;
}
function ActeurFilm(id) {
	document.location='/meilleur-acteur.php?acteur='+id;
}
function ActorMovie(id) {
	document.location='/best-actor.php?actor='+id;
}

function goRealisateur(id) {
	document.location='/Realisateur.php?realisateur='+id;
}
function RealisateurFilm(id) {
	document.location='/meilleur-realisateur.php?realisateur='+id;
}
function DirectorMovie(id) {
	document.location='/best-director.php?director='+id;
}

function goPays(id) {
	document.location='/Pays.php?pays='+id;
}
function PaysFilms(id,id2) {
	document.location='/meilleurs-films-pays-'+id+'-'+id2+'.php';
}
function CountryMovies(id,id2) {
	document.location='/best-movies-country-'+id+'-'+id2+'.php';
}

function goPage(id) {
	document.location=id;
}

function visite(id)
{
	(new Image()).src="/annuaireclic.php?id="+id;
	return true;
};

function stats(id,from)
{
	(new Image()).src="/statsclic.php?id="+id+"&from="+from;
	return true;
};

function statsAffiliation(id,boutique,from)
{
	(new Image()).src="/statsaffiliation.php?id="+id+"&boutique="+boutique+"&from="+from;
	return true;
};

function encrypt(str, pwd) {
  if(pwd == null || pwd.length <= 0) {
    alert("Please enter a password with which to encrypt the message.");
    return null;
  }
  var prand = "";
  for(var i=0; i<pwd.length; i++) {
    prand += pwd.charCodeAt(i).toString();
  }
  var sPos = Math.floor(prand.length / 5);
  var mult = parseInt(prand.charAt(sPos) + prand.charAt(sPos*2) + prand.charAt(sPos*3) + prand.charAt(sPos*4) + prand.charAt(sPos*5));
  var incr = Math.ceil(pwd.length / 2);
  var modu = Math.pow(2, 31) - 1;
  if(mult < 2) {
    alert("Algorithm cannot find a suitable hash. Please choose a different password. \nPossible considerations are to choose a more complex or longer password.");
    return null;
  }
  var salt = Math.round(Math.random() * 1000000000) % 100000000;
  prand += salt;
  while(prand.length > 10) {
    prand = (parseInt(prand.substring(0, 10)) + parseInt(prand.substring(10, prand.length))).toString();
  }
  prand = (mult * prand + incr) % modu;
  var enc_chr = "";
  var enc_str = "";
  for(var i=0; i<str.length; i++) {
    enc_chr = parseInt(str.charCodeAt(i) ^ Math.floor((prand / modu) * 255));
    if(enc_chr < 16) {
      enc_str += "0" + enc_chr.toString(16);
    } else enc_str += enc_chr.toString(16);
    prand = (mult * prand + incr) % modu;
  }
  salt = salt.toString(16);
  while(salt.length < 8)salt = "0" + salt;
  enc_str += salt;
  return enc_str;
}

function decrypt1(str, pwd) {
  var enc_chr = 32;
  var enc_str = "";
  for(var i=0; i<str.length; i++) {
    enc_chr = str.charCodeAt(i);
    if(enc_chr>=65 && enc_chr<=65+25){enc_chr=((enc_chr-65)+26-0)%26+65;}
    if(enc_chr>=97 && enc_chr<=97+25){enc_chr=((enc_chr-97)+26-0)%26+97;}
    enc_str += String.fromCharCode(enc_chr);
  }
  return enc_str;
}
function decrypt(str, pwd) {
  if(str == null || str.length < 8) {
    alert("A salt value could not be extracted from the encrypted message because it's length is too short. The message cannot be decrypted.");
    return;
  }
  if(pwd == null || pwd.length <= 0) {
    alert("Please enter a password with which to decrypt the message.");
    return;
  }
  var prand = "";
  for(var i=0; i<pwd.length; i++) {
    prand += pwd.charCodeAt(i).toString();
  }
  var sPos = Math.floor(prand.length / 5);
  var mult = parseInt(prand.charAt(sPos) + prand.charAt(sPos*2) + prand.charAt(sPos*3) + prand.charAt(sPos*4) + prand.charAt(sPos*5));
  var incr = Math.round(pwd.length / 2);
  var modu = Math.pow(2, 31) - 1;
  var salt = parseInt(str.substring(str.length - 8, str.length), 16);
  str = str.substring(0, str.length - 8);
  prand += salt;
  while(prand.length > 10) {
    prand = (parseInt(prand.substring(0, 10)) + parseInt(prand.substring(10, prand.length))).toString();
  }
  prand = (mult * prand + incr) % modu;
  var enc_chr = "";
  var enc_str = "";
  for(var i=0; i<str.length; i+=2) {
    enc_chr = parseInt(parseInt(str.substring(i, i+2), 16) ^ Math.floor((prand / modu) * 255));
    enc_str += String.fromCharCode(enc_chr);
    prand = (mult * prand + incr) % modu;
  }
  return enc_str;
}