#dotgl-status-bar-panel {
  list-style-image: url("chrome://dotgl/skin/panel.png");
  -moz-image-region: rect(0px, 16px, 16px, 0px);
}

#dotgl-status-bar-panel:hover {
  -moz-image-region: rect(16px, 16px, 32px, 0px);
  cursor: pointer;
}

#dotgl-status-bar-panel[status="enabled"] {
  -moz-image-region: rect(32px, 16px, 48px, 0px);
}

#dotgl-status-bar-panel:hover[status="enabled"] {
  -moz-image-region: rect(48px, 16px, 64px, 0px);
  cursor: pointer;
}