function rollin(id) {
  var img = document.getElementById(id);
  img.src = 'http://www.forets-du-congo.org/agir/sites/all/themes/gp2/images/'+id+'-on.png';
}

function rollout(id) {
  var img = document.getElementById(id);
  img.src = 'http://www.forets-du-congo.org/agir/sites/all/themes/gp2/images/'+id+'-off.png';
}

function rollinit() {
  for (var i = 0; i < arguments.length; i++) {
    var p = new Image();
    p.src = 'http://www.forets-du-congo.org/agir/sites/all/themes/gp2/images/'+arguments[i]+'-on.png';
  }
}

var divsBlog = new Array();

function affichePlus(id) {
var div = document.getElementById('blog'+id);
if (divsBlog[id] == null || divsBlog[id] == false) {
  div.style.height='auto';
  divsBlog[id] = true;
}
else {
  divsBlog[id] = false;
  div.style.height = 44;
}
}

var divsInfo = new Array();
var ie = ns = null;
ie = document.all;

function affichePlusInfos(id) {
var div = document.getElementById('info'+id);
if (divsInfo[id] == null || divsInfo[id] == false) {
  if (ie) {
    div.style.height='100%';
  }
  else {
    div.style.height='auto';
  }
  divsInfo[id] = true;
}
else {
  divsInfo[id] = false;
  div.style.height = 36;
}
}