var omo_bg = new Array();
omo_bg['news'] = new Array();
omo_bg['news']['top'] = '#005640'
omo_bg['news']['sub'] = '#FFFFFF'

function omo(xid, xclass, level) {
  var el = new getObj(xid);
  if (el.style.backgroundColor) {
    el.style.backgroundColor = "";
  } else {
    el.style.backgroundColor = omo_bg[xclass][level];
  }
}