<script type="text/javascript">
<!--

var state = 'none';

function showhide(layer_ref) {

if (state == 'block') {
state = 'none';
}
else {
state = 'block';
}
if (document.all) { //IS IE 4 or 5 (or 6 beta)
eval( "document.all." + layer_ref + ".style.display = state");
}
if (document.layers) { //IS NETSCAPE 4 or below
document.layers[layer_ref].display = state;
}
if (document.getElementById &&!document.all) {
hza = document.getElementById(layer_ref);
hza.style.display = state;
}
}


function toggle(obj) {
var sibling;
if(obj.nextSibling.nodeType==3) {
    sibling=obj.nextSibling.nextSibling;
    }
else {
    sibling=obj.nextSibling;
    }
sibling.style.display=(sibling.style.display=='none')? 'block' : 'none';
}
}

function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   alert("Adresse email non valide")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Adresse email non valide")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Adresse email non valide")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Adresse email non valide")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Adresse email non valide")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Adresse email non valide")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Adresse email non valide")
		    return false
		 }

 		 return true					
	}

function ValidateForm(form){
	
	
	if ((form.email.value == '') || !echeck(form.email.value)) {
		alert ('Veuillez entrer ou vérifier votre email');
		form.email.focus();
		return false
	}

	
	if (form.nom.value == '') {
		alert ('Veuillez entrer votre nom');
		form.nom.focus();
		return false
	}

	if (form.adresse.value == '') {
		alert ('Veuillez entrer votre adresse');
		form.adres.focus();
		return false
	}

	if (form.ville.value == '') {
		alert ('Veuillez entrer votre ville');
		form.ville.focus();
		return false
	}

	if (form.codePostal.value == '') {
		alert ('Veuillez entrer votre codePostal');
		form.cp.focus();
		return false
	}

	if (form.pays.value == '') {
		alert ('Veuillez entrer votre pays');
		form.pays.focus();
		return false
	}

	

	return false;
 }




//-->
</script>