var taille_texte=1;
var t;
if (t=readCookie('taille_texte')) taille_texte=t;



function augmenterTexte()
{
  if (taille_texte==2) return;
  taille_texte = taille_texte+0.1;
  if (document.getElementById('sub_center'))
  {
    var art = document.getElementById('sub_center');
    //document.getElementById('divArticle').className='texte'+taille_texte;
    document.getElementById('sub_center').style.fontSize = taille_texte + "em";
    writeCookie('taille_texte',taille_texte);

  }
}

function diminuerTexte()
{
  if (taille_texte==0.9) return;
  taille_texte=taille_texte-0.1;
  if (document.getElementById('sub_center'))
  {
    var art=document.getElementById('sub_center');
    document.getElementById('sub_center').style.fontSize = taille_texte + "em";
    writeCookie('taille_texte',taille_texte);
  }
}

function ouvrePopUp()
{
  //recuperation de l'url courant pour l'impression
  var urlImpression = "/imprimer"+escape(window.location.pathname);
  window.open(urlImpression,'_blank','toolbar=0,location=0,directories=0,menuBar=0,scrollbars=1,resizable=1,width=640,height=608');
}



function envoiami(cle)
{
  fen = window.open('/envoiami/index.php?cle='+cle+'&url='+document.location,"fenetre","width=430,height=380,scrollbars=0,toolbar=0,menubar=0,location=0,resizable=no,status=0");
}


function writeCookie(name, value)
{
    var expires = new Date();
    var pathname=location.pathname;
    var myDomain=pathname.substring(0,pathname.lastIndexOf('/')) +'/';
    expires.setTime(expires.getTime()+(365*24*3600*1000));
    document.cookie = name + "=" + escape(value) +
    ((expires == null) ? "" : "; expires=" + expires.toGMTString()) +
    ((pathname == null) ? "" : "; path=" + pathname) +
    ((myDomain == null) ? "" : "; domain=" + myDomain);
}

function readCookie(name)
{
    var cname = '; ' + name + "=";
    var dc = '; '+document.cookie;
    if (dc.length > 0)
    {
        begin = dc.indexOf(cname);
        if (begin != -1)
        {
            begin += cname.length;
            end = dc.indexOf(";", begin);
            if (end == -1)  end = dc.length;
            return unescape(dc.substring(begin, end));
        }
    }
    return null;
}