#backtable{
   z-index: 1; position: absolute; width: 675px; top: 150px; left: 120px; height: 628px;
   margin: 0;
   padding: 0;
   background-image: url('backtrenink.gif');
   background-repeat: no-repeat;
   background-position: top left;
   filter:alpha(opacity=40);-moz-opacity:0.4;opacity:0.4;
}