function hide_terms() {
  if (!document.layers) {
    terms_A.style.display = "none";
    terms_B.style.display = "none";
    terms_C.style.display = "none";
    terms_D.style.display = "none";
    terms_E.style.display = "none";
    terms_F.style.display = "none";
    terms_G.style.display = "none";
    terms_H.style.display = "none";
    terms_I.style.display = "none";
    terms_J.style.display = "none";
    terms_K.style.display = "none";
//  terms_L.style.display = "none";
    terms_M.style.display = "none";
    terms_N.style.display = "none";
    terms_O.style.display = "none";
//  terms_P.style.display = "none";
//  terms_Q.style.display = "none";
    terms_R.style.display = "none";
    terms_S.style.display = "none";
    terms_T.style.display = "none";
    terms_U.style.display = "none";
//  terms_V.style.display = "none";
    terms_W.style.display = "none";
//  terms_X.style.display = "none";
    terms_Y.style.display = "none";
    terms_Z.style.display = "none";
  }
}
function toggle_visible(terms_id) {
  if (terms_id.style.display == "none") {
    terms_id.style.display = "block";
  } else {
    terms_id.style.display = "none";
  }
}
function focus_text() {
  var text_window = window.open("", "text");
  text_window.focus();
}