function createXMLHttpRequest() 
{
  var types = ['Microsoft.XMLHTTP', 'MSXML2.XMLHTTP.5.0', 'MSXML2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP'];

  for (var i = 0; i < types.length; i++) 
  {
    try 
    {
      return new ActiveXObject(types[i]);
    }
    catch (e) { }
  }

  try 
  {
    return new XMLHttpRequest();
  }
  catch (e) { }

  return false; // XMLHttpRequest not supported 
}

function callWebService(serverURL) 
{
  var sResult = "", xmlhttp;
  xmlhttp = createXMLHttpRequest();
  if (xmlhttp) 
  {
    xmlhttp.Open("POST", serverURL, false);
    xmlhttp.Send();
    if (xmlhttp.status == 200) 
    {
      sResult = xmlhttp.responsetext;
    }
    xmlhttp = null;
  }
  return sResult;
}

var obj;
function showwin() {
  var format = "width=950,height=750,resizable=yes,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes";
  if (obj && !obj.closed)
    obj.close();
  obj = window.open("Help.aspx", "Photo", format);
}

var obj2;
function ShowWinners() {
  var format, name, score;
  format = "width=411,height=310,top=170,left=260,resizable=no,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no";
  try {
    score = document.getElementById("lblScore").value;
  }
  catch (ex) {
    score = "0";
  }
  name = "Winners.aspx?Score=" + score;
  //	alert(name);
  try {
    if (obj2 && !obj2.closed)
      obj2.close();
  }
  catch (ex) {
    obj2 = null;
  }
  obj2 = window.open(name, "win", format);
}