function getCookieVal (offset) {
var endstr = document.cookie.indexOf (";", offset);
if (endstr == -1)
endstr = document.cookie.length;
return unescape(document.cookie.substring(offset, endstr));
}

function GetCookie (name) {
var arg = name + "=";
var alen = arg.length;
var clen = document.cookie.length;
var i = 0;
while (i < clen) {
var j = i + alen;
if (document.cookie.substring(i, j) == arg)
return getCookieVal (j);
i = document.cookie.indexOf(" ", i) + 1;
if (i == 0) break; 
}
return null;
}  

function SetCookie (name, value) {
var argv = SetCookie.arguments;
var argc = SetCookie.arguments.length;
var expires = (argc > 2) ? argv[2] : null;
var path = (argc > 3) ? argv[3] : null;
var domain = (argc > 4) ? argv[4] : null;
var secure = (argc > 5) ? argv[5] : false;
document.cookie = name + "=" + escape (value) +
((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
((path == null) ? "" : ("; path=" + path)) +
((domain == null) ? "" : ("; domain=" + domain)) +
((secure == true) ? "; secure" : "");
}
function show_count() {
var expdate = new Date();
var num;
expdate.setTime(expdate.getTime() +  (24 * 60 * 60 * 1000 * 31)); 
if(!(num = GetCookie("jtotwcount"))) 
num = 0;
num++;
SetCookie ("jtotwcount", num, expdate,"/wwwisis");
if (num == 1) document.write("Since this is the first time you have been here, please take a moment to look around.");
else document.write("You have been here " + num + " times."); 
}
function set_name(form) {
var expdate = new Date ();
expdate.setTime (expdate.getTime() + (24 * 60 * 60 * 1000 * 31 ));
var username = form.nameinput.value
var mpasse = form.passinput.value
if (username != "") {
SetCookie ("jtotwname", username, expdate,"/wwwisis");
SetCookie ("mpasse", mpasse, expdate,"/wwwisis");
document.RLOGON.t2000.value = username;
document.RLOGON.t2001.value = mpasse;
document.RLOGON.submit();
}
else alert("Attention, saisir quelque chose, ne rien saisir provoque une erreur.");
}

function auto_show_name() {
if(GetCookie("jtotwname") != null)
document.write("Welcome back to this week\'s tip " + GetCookie('jtotwname') + ". ");
else {
document.write("<FORM>Please enter your name: <INPUT TYPE = \"text\" NAME = \"nameinput\">" + "<BR><BR><INPUT TYPE = \"button\" VALUE = \"Save to Cookie\" onClick = \"set_name(this.form)\"></FORM>");
document.write("Please enter your first name in the input" + " box and press the \"Save to Cookie\" button, then the page will automatically reload. ");
   }
}
function readhistory() {
  var tabhist=new Array(10);
  var stmp="";
  var nbrhist=0;
  for (j=0;j<10;j++) {
    stmp="hist"+j.toString();
    tabhist[j]=GetCookie (stmp) 
    if (tabhist[j] != null) nbrhist = nbrhist + 1;
  }  
}
function writehistory(requete,appli) {
  var tabhist=new Array(10);
  var stmp="";
  var expdate = new Date ();
  expdate.setTime (expdate.getTime() + (24 * 60 * 60 * 1000 * 31 ));
  var nbrhist=0;
  for (j=0;j<10;j++) {
    stmp="hist"+j.toString();
    tabhist[j]=GetCookie (stmp) 
    if ((tabhist[j] != 'null') && (tabhist[j] != null))nbrhist = nbrhist + 1;
  } 
  if (nbrhist < 10) {
    jj=nbrhist;
    stmp="hist" + nbrhist.toString();
    tabhist[nbrhist]=requete;
  }
  else {
    for (j=0;j<9;j++) {
      tabhist[j]=tabhist[j+1] 
    }
    jj=9;
    stmp="hist" + jj.toString();
    tabhist[jj]=requete;
  } 
  for (j=0;j<10;j++) {
    stmp="hist"+j.toString();
    SetCookie (stmp, tabhist[j],expdate,appli)
  }
  return null;
}