function newXhr(){var b=null;if(window.XMLHttpRequest)b=new XMLHttpRequest;else if(window.ActiveXObject)try{b=new ActiveXObject("Msxml2.XMLHTTP")}catch(e){b=new ActiveXObject("Microsoft.XMLHTTP")}else{alert("Votre navigateur ne peut pas afficher ce site.");b=false}return b}
function chargerContenu(b,e,c){var a=newXhr(),f,d=c==null;a.onreadystatechange=function(){if(a.readyState==4)if(a.status!=200){if(!d)c.innerHTML="Erreur de chargement (HTTP "+a.status+")"}else{if(!d)c.innerHTML="";f=a.responseText;e.call(null,f)}else if(!d)c.innerHTML="Chargement..."};a.open("GET",b,true);a.setRequestHeader("Content-type","text/html; charset=utf-8");a.send(null)};