// JavaScript Document
function popop(page)
{
var largeur=((screen.width)-800)/2;
var hauteur=((screen.height)-600)/2;
window.open(page, "", "width=800, height=600, top="+hauteur+", left="+largeur)
}
function ImageCentrer(img,largeur,hauteur,options) {
var top=(screen.height-hauteur)/2;
var left=(screen.width-largeur)/2;
w=open("",'image','width=400,height=400,toolbar=no,scrollbars=no,resizable=yes,status=no, top='+top+', left='+left);
w.document.write("Image taille reelle");
w.document.write("