function setActiveStyleSheet(title) {
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
      a.disabled = true;
      if(a.getAttribute("title") == title) a.disabled = false;
    }
  }
}

function createCookie(name,value,days)
{	var expires
	if (days)
	{
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		expires = "; expires="+date.toGMTString();
	}
	else expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function decale_taille_police()
{	
	var taille_courante = parseInt(getCookie('policeMA'));
	if ((taille_courante == null) || (isNaN(taille_courante))) {
		taille_courante = 2;
	}
	taille_courante = taille_courante + 1;
	if (taille_courante > 3) {
		taille_courante = 1;
	}
	change_taille_police( taille_courante );
}

function change_taille_police( taille ) {
  switch (taille) {
    case 1 : 
      setActiveStyleSheet('taille1');
	  createCookie( "policeMA", 1, 30 );
      break;
    case 2 : 
      setActiveStyleSheet('taille2');
	  createCookie( "policeMA", 2, 30 );
      break;
    case 3 : 
      setActiveStyleSheet('taille3');
	  createCookie( "policeMA", 3, 30 );
      break;
    default :
      setActiveStyleSheet('taille2');
      break;
  }
}

function getCookie(name) {
  var dc = document.cookie;
  var prefix = name + "=";
  var begin = dc.indexOf("; " + prefix);
  if (begin == -1) {
    begin = dc.indexOf(prefix);
    if (begin != 0) return null;
  } else
    begin += 2;
  var end = document.cookie.indexOf(";", begin);
  if (end == -1)
    end = dc.length;
  return unescape(dc.substring(begin + prefix.length, end));
}

function restaure_police()	{
	var taille_courante = parseInt(getCookie('policeMA'));
	if (isNaN(taille_courante)) {
		taille_courante = 2;
	}
	change_taille_police( taille_courante );
}

function printWindow() {
	var bV = parseInt(navigator.appVersion);
	if (bV >= 4) window.print();
}