function galleryPopup(imageFile){
var Image1 = new Image();
Image1.src = (imageFile);
var height = Image1.height;
var width = Image1.width;
var html = 'Cliquez pour fermer
';
var popup = window.open(imageFile, '_blank', 'width=' + width+ ', height=' + height + ', status=no');
popup.document.write(html);
popup.focus();
}