Problème LightBox

body
{
    background-color:#000000;
	font-size: 12px;
	color: #FFFFFF;
	font-family: arial; 
 	text-indent: 15px;
	list-style-type: circle;
	margin: 0 ; 
	padding: 0 ; 
}

#b
{ 
      color: #960049;
}

#i
{
      color: #3d3a3a;
}

#haut 
{
  margin: 0 auto;
  text-align: center;
}

#conteneur
{
	width:1026px;
	margin: 0 auto ;
        padding: 10px 0px;
        text-align: center;
}

#boutonhaut 
{
        margin-top: 20px;
        text-align: center;
}

#boutonhaut a {
        margin: 0px 5px;
}

#boutonhaut a img{
        border: none;
}

#gauche {
        height:297px;
        width:221px;
        margin-top: 10px;
        margin-left:0px;
        background-image:url(gauche.jpg);
        float: left;
}

#droit {
        height:300px;
        width:222px;
        margin-top: 10px;
        background-image:url(droite.jpg);
        float: right;
}
#centre {

        height: 295px;
        width: 577px;
        margin-top: 10px;
        overflow: auto;
        background-image:url(contenu.jpg);
}

#boutonbas {
        height: 71px;
        margin-top: 10px;
        text-align: center;
}

#boutonbas a {
        margin: 0px 5px;
}

#boutonbas a img{
        border: none;
}

a:link {
font-family:arial;
font-size:100%;
color: #FFFFFF;
background-color:transparent;
text-decoration:none;
}

a:visited {
font-family:arial;
font-size:100%;
color: #FFFFFF;
background-color:transparent;
text-decoration:none;
}

a:hover {
font-family:arial;
font-size:100%;
color: #FFFFFF;
background-color:transparent;
text-decoration:none;
}


#lightbox{	position: absolute;	left: 0; width: 100%; z-index: 100; text-align: center; line-height: 0;}
#lightbox img{ width: auto; height: auto;}
#lightbox a img{ border: none; }

#outerImageContainer{ position: relative; background-color: #fff; width: 250px; height: 250px; margin: 0 auto; }
#imageContainer{ padding: 10px; }

#loading{ position: absolute; top: 40%; left: 0%; height: 25%; width: 100%; text-align: center; line-height: 0; }
#hoverNav{ position: absolute; top: 0; left: 0; height: 100%; width: 100%; z-index: 10; }
#imageContainer>#hoverNav{ left: 0;}
#hoverNav a{ outline: none;}

#prevLink, #nextLink{ width: 49%; height: 100%; background-image: url(data:image/gif;base64,AAAA); /* Trick IE into showing hover */ display: block; }
#prevLink { left: 0; float: left;}
#nextLink { right: 0; float: right;}
#prevLink:hover, #prevLink:visited:hover { background: url(../images/prevlabel.gif) left 15% no-repeat; }
#nextLink:hover, #nextLink:visited:hover { background: url(../images/nextlabel.gif) right 15% no-repeat; }

#imageDataContainer{ font: 10px Verdana, Helvetica, sans-serif; background-color: #fff; margin: 0 auto; line-height: 1.4em; overflow: auto; width: 100%	; }

#imageData{	padding:0 10px; color: #666; }
#imageData #imageDetails{ width: 70%; float: left; text-align: left; }	
#imageData #caption{ font-weight: bold;	}
#imageData #numberDisplay{ display: block; clear: left; padding-bottom: 1.0em;	}			
#imageData #bottomNavClose{ width: 66px; float: right;  padding-bottom: 0.7em; outline: none;}	 	

#overlay{ position: absolute; top: 0; left: 0; z-index: 90; width: 100%; height: 500px; background-color: #000; }

#lightbox img {
height:auto;
margin:0 0 0 -15px;
padding:0;
width:auto;
}