var nImgIdx = 1;
var nLastImgIdx = 1;
var nMaxImgs = 3;

function startAll() {
}

function openSec(o) {
  hideLayer(csbt1); setOpac(csbt1, 0); ll1.className = 'leadingLink';
  hideLayer(csbt2); setOpac(csbt2, 0); ll2.className = 'leadingLink';
  hideLayer(csbt3); setOpac(csbt3, 0); ll3.className = 'leadingLink';
  showLayer(o);
  fadeIn(o);
}