.control {
color: transparent;
cursor: pointer;
display: block;
height: 157px;
position: absolute;
text-indent: -9999px;
width: 39px;
}
#left_control {
top: 0;
left: 0;
background: url(’../images/left.jpg’) no-repeat;
}
#right_control {
top:0;
right:0;
background: url(’../images/right.jpg’) no-repeat;
}