function getElmnt(id) {  // get object from ID
  var element = null;
  if (document.getElementById) {
    element = document.getElementById(id);
  } else if (document.all) {
    element = document.all[id];
  } else if (document.layers) {
    element = document.layers[id];
  } // if
  return (element);
} // getElmnt()

function btnDn(id, valu) {  // change object display setting
  var el = getElmnt(id);
  if (el) {
    var ch = el;
    if (el.style) ch = el.style;
    ch.backgroundColor = "#0099CC";
    ch.borderStyle = "inset";
  } // if
} // pushBtn()

function btnUp(id, valu) {  // change object display setting
  var el = getElmnt(id);
  if (el) {
    var ch = el;
    if (el.style) ch = el.style;
    ch.backgroundColor = "#FFFFFF";
    ch.borderStyle = "outset";
  } // if
} // rlsBtn()