#hd_home            {position:absolute;
                     top:126px;
                     left:20px;}
#hd_home img        {border: none}
#hd_home a          {display: block;
                     background-image: url(hd_hhv.png);
                     background-repeat:no-repeat;
                     background-position:left top;}
#hd_home a:hover img  {visibility: hidden}

#hd_info            {position:absolute;
                     top:126px;
                     left:473px;}
#hd_info img        {border: none}
#hd_info a          {display: block;
                     background-image: url(hd_1hv.png);
                     background-repeat:no-repeat;
                     background-position:left top;}
#hd_info a:hover img  {visibility: hidden}

#hd_pri             {position:absolute;
                     top:126px;
                     left:575px;}
#hd_pri  img        {border: none}
#hd_pri a           {display: block;
                     background-image: url(hd_2hv.png);
                     background-repeat:no-repeat;
                     background-position:left top;}
#hd_pri a:hover img  {visibility: hidden}

#hd_cont            {position:absolute;
                     top:126px;
                     left:677px;}
#hd_cont img        {border: none}
#hd_cont a          {display: block;
                     background-image: url(hd_3hv.png);
                     background-repeat:no-repeat;
                     background-position:left top;}
#hd_cont a:hover img  {visibility: hidden}