/* XMLHttpRequest */

var myConn = new XHConn();

if (!myConn) alert("XMLHTTP not available. Try a newer/better browser such as the FREE Firefox.");

function play_track(track_id) {
	var query = 'id=' + track_id;
	admin_target_div = 'audio_player';
	myConn.connect('/audio_player.php', "POST", query, get_oxml);
}

/* Ajax Bits */

var get_oxml = function (oXML) {
	var target_div = document.getElementById(admin_target_div);	
	target_div.innerHTML = (oXML.responseText);
}

function XHConn() // This is the getting function for the AJAX stuff 
{
  var xmlhttp;
  try { xmlhttp = new ActiveXObject("Msxml2.XMLHTTP"); }
  catch (e) { try { xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); }
  catch (e) { try { xmlhttp = new XMLHttpRequest(); }
  catch (e) { xmlhttp = false; }}}
  if (!xmlhttp) return null;
  this.connect = function(sURL, sMethod, sVars, fnDone)
  {
    if (!xmlhttp) return false;
    sMethod = sMethod.toUpperCase();

    try {
      if (sMethod == "GET")
      {
        xmlhttp.open(sMethod, sURL+"?"+sVars, true);
        sVars = "";
      }
      else
      {
        xmlhttp.open(sMethod, sURL, true);
        xmlhttp.setRequestHeader("Method", "POST "+sURL+" HTTP/1.1");
        xmlhttp.setRequestHeader("Content-Type",
          "application/x-www-form-urlencoded");
      }
      xmlhttp.onreadystatechange = function(){ if (xmlhttp.readyState == 4) {
        fnDone(xmlhttp); }};
      xmlhttp.send(sVars);
    }
    catch(z) { return false; }
    return true;
  };
  return this;
}