var xmlHttp_calendrier_jr

function GetXmlHttpObject(handler) { 
  var objXmlHttp=null  
  if (navigator.userAgent.indexOf("MSIE")>=0) { 
    var strName="Msxml2.XMLHTTP"
    if (navigator.appVersion.indexOf("MSIE 5.5")>=0) {
      strName="Microsoft.XMLHTTP"
    } 
    objXmlHttp=new ActiveXObject(strName)
    objXmlHttp.onreadystatechange=handler
    return objXmlHttp
  } 
  if (navigator.userAgent.indexOf("Mozilla")>=0) {
    objXmlHttp=new XMLHttpRequest()
    objXmlHttp.onload=handler
    objXmlHttp.onerror=handler 
    return objXmlHttp
  }
}

function affiche_calendrier_jr(an, mois, date_courante) { 
  var url="/ajax/calendrier_jr.php?a=" + an + "&m=" + mois + "&d=" + date_courante
  xmlHttp_calendrier_jr=GetXmlHttpObject(stateChanged_calendrier_JR)
  xmlHttp_calendrier_jr.open("GET", url , true)
  xmlHttp_calendrier_jr.send(null)
} 

function stateChanged_calendrier_JR() { 
  if (xmlHttp_calendrier_jr.readyState==4 || xmlHttp_calendrier_jr.readyState=="complete") { 
    document.getElementById('subnavigation').innerHTML = xmlHttp_calendrier_jr.responseText
  } 
}