var valscreen=1200;  //1200
//alert(screen.availWidth);

function valideQuantite(Qt) {

Nb=Qt.length;
for (var i=0; i <Nb; i++)
	{
	s = Qt.charAt(i);
	if ( !((s>=0) && (s<=9)) )
   		{
		window.alert("votre code postal ne doit comporter que des chiffres, recommencez svp");
		return false;
		}
	}
return true;
}

function winOpen(url, largeur, hauteur){
      gauche = (screen.width/2)-(largeur/2);
      haut = (screen.height/2)-(hauteur/2);
      window.open(url,"popup","height="+hauteur+",width="+largeur+",status = no,toolbar = no,menubar = no,location = no,resizable = no,titlebar = no,scrollbars = yes,fullscreen = no,top ="+haut+",left ="+gauche);
   } 
   
function OuvFen(num_page,largeur_fenetre,hauteur_fenetre) {
	mafen = window.open(num_page,"mafenetre","width="+largeur_fenetre+",height="+hauteur_fenetre+",scrollbars=no,statusbar=no,toolbar=no,status=no");
	//mafen.resizeTo(largeur_fenetre+20,hauteur_fenetre+20);
	mafen.focus();
}



function OuvFenScroll(url){
      //gauche = (screen.width/2)-(largeur/2);
      //haut = (screen.height/2)-(hauteur/2);
	  largeur=600;
	  hauteur=300;
	  haut=0;
	  gauche=0;
      mafen = window.open(url,"popup","height="+hauteur+",width="+largeur+",status = no,toolbar = no,menubar = no,location = no,resizable = yes,titlebar = no,scrollbars = yes,fullscreen = no,top ="+haut+",left ="+gauche);
		mafen.focus();
   }