function open_win(Fichier,Nom_Fenetre,x0,y0,Largeur,Hauteur,scrollbars,resizable,toolbar,status,menubar) {
var contenu = Fichier;
var param = 'top=' + y0 + ',left=' + x0 + ',height=' + Hauteur + ',width=' + Largeur + ',scrollbars=' + scrollbars + ', resizable=' + resizable + ', toolbar=' + toolbar + ', status=' + status + ', menubar=' + menubar;
window.open(contenu ,Nom_Fenetre,param);
}
function netie(net,ie) {
if ((navigator.appVersion.substring(0,3) >= net && navigator.appName == 'Netscape' && net != -1) || (navigator.appVersion.substring(0,3) >= ie && navigator.appName.substring(0,9) == 'Microsoft' && ie != -1))
return true;
else return false;
}
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_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_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 insvalid()
{
if (document.ins.monnom.value == "" || document.ins.monadresse.value == "" || document.ins.montel.value == "" || document.ins.mademande.value == "")
  {
    alert("Renseignements incomplets !");
    document.ins.monnom.focus();
    return false;
  }
if (document.ins.monmail.value == "")
  {
  alert("email vide !");
  document.ins.monmail.focus();
  return (false);
  }

if (document.ins.monmail.value != "")
  {
	var c=document.ins.monmail.value;
	var test="" + c;
	for (var k = 0; k < test.length; k++)
	{ var d = test.substring(k,k+1);
		if (d == "@")
		{ return true;}
    }
	alert("email incorrect !");
    document.ins.monmail.focus();
    return (false);
  }
}