var szHost = '';
function PopupImage(img,sztitre) {
titre=sztitre;
var w = 800, h = 600;
var w = screen.width;
var h = screen.height;
if (document.all) {
w = document.body.clientWidth;
h = document.body.clientHeight;
}
else if (document.layers) {
w = window.innerWidth;
h = window.innerHeight;
}
var popW = 0, popH = 0;
var leftPos = (screen.width) ? (screen.width-w)/1 : 0, topPos = (screen.height) ? (screen.height-h)/2 : 0;
win =window.open('','newWin','width=300,height=300,top=' + topPos +', left=' + leftPos + ',toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=yes');
win.document.write(" ");
win.document.write("