function tracking(id, chaine, image) {
	document.write("<a href=\"http://opsms.bayard-presse.com/croire/track.asp?chaine=");
	document.write(chaine);
	document.write("&id=");
	document.write(id);
	document.write("\" target=\"_top\"><img src=\"http://opsms.bayard-presse.com/croire/logo.asp?img=");
	document.write(image);
	document.write("\" border=0></a>");
}