function PopupImageT(img,titre) {
var left;
var top;
top = ((screen.height -400 ) / 2);
left = ((screen.width - 200) / 2);
w=open("",'titre',"toolbar=0,scrollbars=1,location=0,status=0,menubar=0,directories=0,resizable=0,width=400,height=400,left="+left+",top="+top+"");
w.document.write(''+titre+'');
w.document.write("