.centerblock{margin-right: auto; margin-left: auto;}
.centertxt  {text-align: center;}
.clear      {clear: both;}
.block      {display: block;}
.fltlft     {float: left;}
.fltrt      {float: right;}
.noblock    {display: inline;}
.padding3   {padding: 3px;}
.padding10  {padding: 10px;}
.hide       {display: none;}
.shy        {visibility: hidden;}