.sliderwrapper{  
overflow: hidden;  
border: 0px solid navy;
width: 302px;  
height: 260px;
}
.sliderwrapper .contentdiv{
visibility: hidden;  
position: absolute; 
filter:progid:DXImageTransform.Microsoft.alpha(opacity=100);
-moz-opacity: 1;
opacity: 1;
}