function swapNom(){n = document.form.nom;if(n.value == "Identifiant")n.value = "";else if(n.value == "")n.value = "Identifiant";}
function swapTel(){t = document.form.pass;if(t.value == "Mot de passe")t.value = "";else if(t.value == "")t.value = "Mot de passe";}
function ValConn(){
	if(document.form.nom.value != "" && document.form.pass.value != "" && document.form.nom.value != "Identifiant" && document.form.pass.value != "Mot de passe")
	{window.location.href='conn.php?ident='+document.form.nom.value+'&pass='+document.form.pass.value+'';}}
function sendData(data, page, target)
{
    if(document.all){var XhrObj = new ActiveXObject("Microsoft.XMLHTTP");}
    else{var XhrObj = new XMLHttpRequest();}	
    var content = document.getElementById(target);
    if(data == 'null'){XhrObj.open("GET", page);}
    else{XhrObj.open("GET", page+"?"+data);}
    XhrObj.onreadystatechange = function() {if (XhrObj.readyState == 4 && XhrObj.status == 200)content.innerHTML = XhrObj.responseText;}
    XhrObj.send(null);
}
function chkForm()
	{
		if(document.myform.nom.value != "" && document.myform.prenom.value != "" && document.myform.entreprise.value != "" && document.myform.tel.value != "" && document.myform.email.value != "" && document.myform.message.value != "")
			{
				adresse   = document.myform.email.value;
				var place = adresse.indexOf("@",1);
				var point = adresse.indexOf(".",place+1);
				if ((place > -1)&&(adresse.length >2)&&(point > 1)){document.myform.submit();}
				else{alert('L\'email n\'est pas valide'); document.myform.email.focus();}
			}
		else{alert('Vous devez compléter tous les champs');}
	}