function getElementsByClass(searchClass,node,tag) {
  var classElements = new Array();
  if (node == null)
    node = document;
  if (tag == null)
    tag = '*';
  var els = node.getElementsByTagName(tag);
  var elsLen = els.length;
  var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
  for (i = 0, j = 0; i < elsLen; i++) {
    if (pattern.test(els[i].className) ) {
      classElements[j] = els[i];
      j++;
    }
  }
  return classElements;
}
function Control(img) {
  var aPathComps = img.src.split("/");
  if (aPathComps[aPathComps.length-1] == "play" + img.id + ".jpg") {
    document.getElementById("flash").FlashPlayer(img.name);
    var players = getElementsByClass("flashplayer", null, "img");
    for (var i=0; i < players.length; i++) {
      players[i].src = "play" + players[i].id + ".jpg";
    }
    img.src = "stop" + img.id + ".jpg";
  }
  else {
    document.getElementById("flash").FlashPlayerStop();
    img.src = "play" + img.id + ".jpg";
  }
}
function StopFlashPlayer() {
  var players = getElementsByClass("flashplayer", null, "img");
  for (var i=0; i < players.length; i++) {
    players[i].src = "play" + players[i].id + ".jpg";
  }
}