var breveActive;

function deroule(elt,etat){ 
  var child=elt.firstChild;
  while (child) {
    if (child.nodeName=="ul" || child.nodeName=="UL")
      child.style.display=etat;
    child=child.nextSibling;
  }
  return;
}

// inclusion feuille de style
function inclutStyle(fileName){
  var t=new Array();
  if (window.ActiveXObject && !t.every)  // ie<9
    return;
  var link= document.createElement("link");
  link.type = "text/css"; 
  link.href =fileName;
  link.rel="stylesheet";
  var head=document.getElementsByTagName("head");
  if (head[0])
    head[0].appendChild(link);
  return;
}


function breve(i,disp){
  if (breveActive)
    breveActive.style.display="none"
      breveActive=document.getElementById("breve"+i);
  if (breveActive)
    breveActive.style.display=disp;
  var fermer=document.getElementById("fermer");
  fermer.style.display=disp;
}

function recadre(){
  var isIE = window.ActiveXObject;
  if (!isIE)
    return; 
  if (document.documentMode==9)
    return;
  var elem;
  var ids=["milieu","fond","filtre"];
  if (ids.every)  //IE 9
    return;
  var i,elem,terme=100;
  if(document.getElementById("bas"))
    terme=125;
  for (i=0 ; i<ids.length;i++) {
    elem=document.getElementById(ids[i]); 
    elem.style.height=document.body.clientHeight-terme; 
  }
}

// antispam
function changeAdresse(){
  var nom="mailto:Ce.0730016W"; 
  var domaine="ac-grenoble.fr";
  var aro="@";
  var mail=document.getElementById("courriel");
  mail.setAttribute("href",nom+aro+domaine);
  return;
}