<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <script type="text/javascript"> function change(imageaaffiche){ document.getElementById('coucou').src=imageaaffiche } </script> </head> </html>