function newwin(url) {
	window.open(url,"popuplinkeo",'width=400,height=450,top=5,left=5,toolbar=no,location=no, directories=no,status=no,scrollbars=no,resizable=1');
}

function PopupCentrer(page,largeur,hauteur,options) {
  var top=(screen.height-hauteur)/2;
  var left=(screen.width-largeur)/2;
  window.open(page,"","top="+top+",left="+left+",width="+largeur+",height="+hauteur+","+options);
}

function formulaire_onsubmit() {
var erreur = "";

if  (document.formulaire.nom.value.length == 0)			erreur = erreur + "[nom] ";
if  (document.formulaire.prenom.value.length == 0)		erreur = erreur + "[prenom] ";
if  (document.formulaire.ville.value.length == 0)		erreur = erreur + "[ville] ";
if  (document.formulaire.cp.value.length == 0)		erreur = erreur + "[code postal] ";
if  (document.formulaire.tel.value.length == 0)	erreur = erreur + "[telephone] ";
if  (document.formulaire.email.value.length == 0)	erreur = erreur + "[email] ";
if  (document.formulaire.usage.value.length == 0)		erreur = erreur + "[usage] ";
if  (erreur.length != 0)
	{
		alert("Vous devez renseigner les champs suivant: "+erreur);
		return false;
	}


if  (document.formulaire.email.value.length != 0){
var a=document.formulaire.email.value;
var test="" + a;
for(var k = 0; k < test.length;k++)
{
var c = test.substring(k,k+1);
if(c == "@")
{
return true;
}
}
alert("Votre adresse email n'est pas correcte (nom@domaine.com)");
return false;
}
}

<!--
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
//-->