function getXhr(){
        var xhr = null; 
				if(window.XMLHttpRequest)
				   xhr = new XMLHttpRequest(); 
				else if(window.ActiveXObject){
				   try {
			                xhr = new ActiveXObject("Msxml2.XMLHTTP");
			            } catch (e) {
			                xhr = new ActiveXObject("Microsoft.XMLHTTP");
			            }
				}
				else {
				   alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest..."); 
				   xhr = false; 
				} 
        return xhr;
			}
/*********************************************/
function choix_sous(no,nb){
				var xhr = getXhr();
				xhr.onreadystatechange = function(){
					if(xhr.readyState == 4 && xhr.status == 200){
						leretour = xhr.responseText;
						if (leretour.substring(0,1)!="*")
						{
						 	 document.getElementById('texte').innerHTML = leretour;
							 haut = ((screen.height - 150) / 2) - 50;
							 large = ((screen.width - 400) / 2);
							 document.getElementById('affichage').style.width = document.width + "px";
							 document.getElementById('affichage').style.height = document.height + "px";
							 document.getElementById('affichage').style.display = "block";
							 document.getElementById('affichage').style.visibility = "visible";
							 document.getElementById('message').style.top = haut + "px";
							 document.getElementById('message').style.left = large + "px";
							 document.getElementById('message').style.display = "block";
							 document.getElementById('message').style.visibility = "visible";
						}

					}
				}
				compteur=0;
				erreur=0;
				for (i=0;i<nb;i++)
				{
          	if (document.formule.souhait[i].checked)
    				{compteur=compteur+1;}
				}
				if (compteur>3)
				{document.formule.souhait[no].checked=false;erreur=1;}
      	if (document.formule.souhait[no].checked)
				{valeur=document.formule.souhait[no].value;}
				else
				{valeur=0;}
				xhr.open("POST","99_centre_interet.php",true);
				xhr.setRequestHeader('Content-Type','application/x-www-form-urlencoded; charset=iso-8859-1');
				xhr.send("no="+no+"&val="+valeur+"&nb="+nb+"&err="+erreur);
}
function test_pseudo(){
				var xhr = getXhr();
				xhr.onreadystatechange = function(){
					if(xhr.readyState == 4 && xhr.status == 200){
						leretour = xhr.responseText;
						if (leretour.substring(0,1)!="*")
						{
						 	 document.getElementById('texte').innerHTML = leretour;
							 haut = ((screen.height - 150) / 2) - 50;
							 large = ((screen.width - 400) / 2);
							 document.getElementById('affichage').style.width = document.width + "px";
							 document.getElementById('affichage').style.height = document.height + "px";
							 document.getElementById('affichage').style.display = "block";
							 document.getElementById('affichage').style.visibility = "visible";
							 document.getElementById('message').style.top = haut + "px";
							 document.getElementById('message').style.left = large + "px";
							 document.getElementById('message').style.display = "block";
							 document.getElementById('message').style.visibility = "visible";
						}

					}
				}
      	vari=document.formule.pseudo.value;
				xhr.open("POST","99_pseudo.php",true);
				xhr.setRequestHeader('Content-Type','application/x-www-form-urlencoded; charset=iso-8859-1');
				xhr.send("vari="+vari);
}
function test_mail(){
				var xhr = getXhr();
				xhr.onreadystatechange = function(){
					if(xhr.readyState == 4 && xhr.status == 200){
						leretour = xhr.responseText;
						if (leretour.substring(0,1)!="*")
						{
						 	 document.getElementById('texte').innerHTML = leretour;
							 haut = ((screen.height - 150) / 2) - 50;
							 large = ((screen.width - 400) / 2);
							 document.getElementById('affichage').style.width = document.width + "px";
							 document.getElementById('affichage').style.height = document.height + "px";
							 document.getElementById('affichage').style.display = "block";
							 document.getElementById('affichage').style.visibility = "visible";
							 document.getElementById('message').style.top = haut + "px";
							 document.getElementById('message').style.left = large + "px";
							 document.getElementById('message').style.display = "block";
							 document.getElementById('message').style.visibility = "visible";
						}

					}
				}
      	vari=document.formule.admail.value;
				xhr.open("POST","99_mail.php",true);
				xhr.setRequestHeader('Content-Type','application/x-www-form-urlencoded; charset=iso-8859-1');
				xhr.send("vari="+vari);
}

function ferme() {
				document.getElementById('affichage').style.display = "none";
				document.getElementById('affichage').style.visibility = "hidden";
				document.getElementById('message').style.display = "none";
				document.getElementById('message').style.visibility = "hidden";
				document.getElementById('affichage2').style.display = "none";
				document.getElementById('affichage2').style.visibility = "hidden";
				document.getElementById('message2').style.display = "none";
				document.getElementById('message2').style.visibility = "hidden";
}
/*********************************************/
function recu(qui,no){
				var xhr = getXhr();
				xhr.onreadystatechange = function(){
					if(xhr.readyState == 4 && xhr.status == 200){
						leretour = xhr.responseText;
						 	 document.getElementById('recu').style.color = "black";
						 	 document.getElementById('recu').innerHTML = leretour;
					}
				}
				xhr.open("POST","99_reception.php",true);
				xhr.setRequestHeader('Content-Type','application/x-www-form-urlencoded; charset=iso-8859-1');
				xhr.send("qui="+qui+"&no="+no);
}
function change_limite(){
      	limite=document.nomform.choix.value;
				location.href="operation.php?limi=" + limite;

}

function aftabloo(num) {
				for (i=0;i<nbtabloo;i++)
				{
    				nom="tabloo"+i;			
    				document.getElementById(nom).style.display = "none";
    				document.getElementById(nom).style.visibility = "hidden";
				}
				nom="tabloo"+num;
				document.getElementById(nom).style.display = "block";
				document.getElementById(nom).style.visibility = "visible";
}