/*
 * utilities used by singerDesc.htm and choralSoc.xml
 */
function show_mlinks() {
  if (sPtr = document.getElementById("spkr"))
    sPtr.style.opacity = "1";
  document.getElementById("mlinks").style.display = 'block';
}

function hide_mlinks() {
  if (sPtr=document.getElementById("spkr"))
    sPtr.style.opacity = ".7";
  document.getElementById("mlinks").style.display = 'none';
}

/*
 * utility to load audio plug-in
 * use audio/mp4 because Safari does not recognize audio/mpeg
 */

var folder = "music/";
function objectPlay(ff) {
  filename = ff.getAttribute('href');
  if (navigator.userAgent.indexOf('MSIE') > -1) {
    index = navigator.userAgent.indexOf("MSIE");
    versionSearchString = "MSIE";
    if (index == -1) version = 0;
    else version = parseFloat(navigator.userAgent.substring(index+this.versionSearchString.length+1));
    if (version < 7) {location.href = "embed.htm#"+filename; return; }
  }
  
  filename = folder+filename;
  objectDestination = document.getElementById('embed');
  objectDestination.style.display = "inline";   // "block";
  //alert(objectDestination);
  if ( objectDestination ) {
    if ( filename ){
      object = "<embed type='audio/mp4' height='16' width='200' src='"+filename+"' />";
      objectDestination.innerHTML = object;
    }}
}