function openWinContact() {
	posX=(screen.width/2)-280;
	posY=(screen.height/2)-280;
	window.open('formulaire_contact.php','FormulaireContact','scrollbars=no,toolbar=no,titlebar=no,status=no,width=450,height=413,resizable=no,left='+posX+',screenX='+posX+',top='+posY+',screenY='+posY);
}

function openWinCommande() {
	posX=(screen.width/2)-280;
	posY=(screen.height/2)-280;
	window.open('formulaire_commande.php','FormulaireCommande','scrollbars=no,toolbar=no,titlebar=no,status=no,width=450,height=413,resizable=no,left='+posX+',screenX='+posX+',top='+posY+',screenY='+posY);
}