.bdrtop   {background: url(../img/roundgray/bdrtop.png) repeat-x left top}
.bdrright   {background: url(../img/roundgray/bdrright.png) repeat-y right top}
.bdrbottom   {background: url(../img/roundgray/bdrbottom.png) repeat-x left bottom}
.bdrleft  {background: url(../img/roundgray/bdrleft.png) repeat-y left top}
.cnrtopleft  {background: url(../img/roundgray/cnrtopleft.png) no-repeat left top}
.cnrtopright  {background: url(../img/roundgray/cnrtopright.png) no-repeat right top}
.cnrbotleft  {background: url(../img/roundgray/cnrbotleft.png) no-repeat left bottom}
.cnrbotright  {background: url(../img/roundgray/cnrbotright.png) no-repeat right bottom; padding: 6px}