double barre de scroll

<frame name='site' src='"+lien+"' marginwidth=0 marginheight=0 frameborder=no></frameset>

/* CSS Document */

#principal 
{
	position: relative;
	width: 624px;	
	height: 968px;
	margin-left:-312px;
	top: 25px;
	left: 50%;
	z-index: auto;
	background-image: url(images/fondprincipal.jpg);	
	background-repeat: no-repeat;
	border: 1px solid #A5BDC7;
	background-position: center top;
}
#principal a /* Tous les liens se trouvant dans le texte*/
{
   color: blue;
   text-decoration:none;
}

#titre{
	width: 139px;
	height: 4px;
	position: absolute;
	z-index: 3;
	left: 322px;
	top: 149px;
	z-index: 2;
	color: #1C6888;
	font-family: Geneva, Arial, Helvetica, sans-serif;
	font-size: 18px;
}
#text{
	width: 598px;
	height: 760px;
	position: absolute;
	z-index: 2;
	left: 19px;
	top: 202px;
	z-index: 2;
	overflow: scroll;
}
BODY{
scrollbar-face-color:#FFFFFF;
scrollbar-arrow-color:#1C6888;
scrollbar-track-color:##1C6888;
scrollbar-shadow-color:#A5BDC7;
scrollbar-highlight-color:'';
scrollbar-3dlight-color:#1C6888;
scrollbar-darkshadow-Color:#1C6888;
}