#imagewrapper a img {
border: none;
}

#imagewrapper {
position: relative;
float: left;
}

#imagewrapper span {
position: absolute;
z-index: 2;
height: 12px;
width: 12px;
}

.curve1 {
background: transparent url("../images/corners/topright.gif") top right no-repeat;
top: 0;
right: 0;
}

.curve2 {
background: transparent url("../images/corners/topleft.gif") top left no-repeat;
top: 0;
left: 0;
}

.curve3 {
background: transparent url("../images/corners/bottomright.gif") bottom right no-repeat;
bottom: 0;
right: 0;
}

.curve4 {
background: transparent url("../images/corners/bottomleft.gif") bottom left no-repeat;
bottom: 0;
left: 0;
}