.element-invisible {
  position: absolute !important;
  height: 1px; width: 1px; 
  margin: -1px; padding: 0; border: 0; 
  overflow: hidden;
  clip: rect(1px 1px 1px 1px); /* IE6, IE7 */
  clip: rect(1px, 1px, 1px, 1px);
}