div#cache_transparent {
	position: fixed;
	top: 0px;
	left: 0px;
	width: 100%;
	height: 100%;
	background-color: #000000;
	opacity: 0.5;
	-moz-opacity: 0.5;
	filter: alpha(opacity=50);
	display: none;
}

div.f_titre {	/* titre de la fenêtre */
	position: absolute;
	top: -21px;
	left: 5px;
	font-size: 16px;
	color: #333333;
	float: left;
	width: 100%;
}

div.f_b_fermer {	/* bouton "fermer" de la fenêtre */
	position: relative;
	width: 30px;
	top: -1px;
	float:right;
	font-size: 16px;
	background-color: #BB2222;
	color: #FFFFFF;
	font-weight: bold;
	text-align: center;
}

div.f_b_fermer a {
	text-decoration: none;
	color: #FFFFFF;
}

div.fenetre1 {
	position: fixed;
	top: 25px;	/* enlever le top si un centrage verticale est voulu */
	width: 0px;
	height: 0px;
	z-index: 1000;
	left: 50%;
	/*margin-left: -?;*/
	border: 8px solid #FFFFFF;
	border-top: 25px solid #FFFFFF;
	display: none;
}