.sliderwrapper{
position: relative; 
overflow: hidden;
border: 1px solid #00346A;
border-bottom-width: 1px;
width: 880px;
height:340px;
}
.sliderwrapper .contentdiv{
visibility: hidden; 
position: absolute; 
left: 0; 
top: 0;  
background: #00346A;
width: 880px; 
height: 100%;
filter:progid:DXImageTransform.Microsoft.alpha(opacity=1000);
-moz-opacity: 10;
opacity: 10;
}