var objRequete;
if(navigator.appName.search("Microsoft")>-1){
	objRequete = new ActiveXObject("MSXML2.XMLHTTP");
}else{
	objRequete = new XMLHttpRequest();
}


function envReqChute(){
	for(i=0; i<document.formulaire.section.options.length; i++){
		if(document.formulaire.section.options[i].selected){
			var section = document.formulaire.section.options[i].value;
			objRequete.open('get','scripts/chute.php?section='+section,true);
			objRequete.onreadystatechange = traiteReponseChute;
			objRequete.send(null);
		}
	}
}


function traiteReponseChute(){
	if(objRequete.readyState == 4){
		document.getElementById("result-chute").innerHTML=objRequete.responseText;
	}
}


function creeXMLHttpRequestObject(){
	var objRequete = null;
	try{
		objRequete = new ActiveXObject("Microsoft.XMLHTTP");
	}
	catch(Error){
		try{
			objRequete = new ActiveXObject("MSXML2.XMLHTTP");
		}
		catch(Error){
			try{
				objRequete = new XMLHttpRequest();
			}
			catch(Error){
				alert("Impossible de créer l'objet XMLHttRequest");
			}
		}
	}
	return objRequete;
}