some hackery.css

.loader_wrap { position: absolute;
               top: 50%;
               left: 50%;
               width: auto }

.loader { padding: 10px; 
          border: solid 1px #cccccc;
          background-image: url("itemgradient.png");
          background-position: left;
          position: relative;
          left: -50%;
          top: -50%;
          text-align: center;
          white-space: nowrap;
          font-size: 8pt }