.leftphoto
{
background:url('http://i.terrawoman.com/img_v3/arr_left.png') no-repeat;
    width:26px;
    height:148px;
z-index:10;
    margin:50% 0 0 0;
    cursor: pointer;
float:left;
margin-right:-21px; 
position:relative; 
z-index:10;
}

.rightphoto
{
background:url('http://i.terrawoman.com/img_v3/arr_right.png') no-repeat;
    width:26px;
    height:148px;
z-index:10;
position:inherit;
    margin:50% 0 0 0;
    cursor: pointer;
float:right;
margin-left:-21px; 
position:relative; 
z-index:10;
}