function ImageMax(chemin)
{
   html = '<IMG style="margin:0px; padding:0px; display:block;" src="'+chemin+'" BORDER=0 NAME=ImageMax onLoad="window.resizeTo(document.ImageMax.width+10, document.ImageMax.height+30)">';
   popupImage =    window.open('','_blank','toolbar=0, location=0, directories=0, menuBar=0, scrollbars=0, resizable=1');
   popupImage.document.open();
   popupImage.document.write(html);
   popupImage.document.close();
}