function getHTTPObject()
{
  var xmlHttp;
  try {
    // Firefox, Opera 8.0+, Safari
    xmlHttp=new XMLHttpRequest();
  }
  catch (e) {
    // Internet Explorer
    try {
      xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e) {
      try {
        xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch (e) {
        alert("Your browser does not support AJAX!");
        return false;
      }
    }
  }
  return xmlHttp;
}


function handleHttpResponse(http) {
  alert("Handling response\nReadystate: "+http.readyState);
  if (http.readyState == 4) {
     alert(http.responseText);
    document.getElementById("scoreCard.").innerHtml=http.responseText;    
  }
}

function setMeters(id)
{
  createCookie("distanceUnit","meters",30);

  var http=getHTTPObject();

  http.open("GET","../scorecard.php?id="+id+"&distanceUnit=meters",true);
  http.onreadystatechange=function() {
    if (http.readyState == 4) {
      var divId="scoreCard."+id;
      document.getElementById(divId).innerHTML=http.responseText;
    }
  }
  http.send(null);
} 

function setYards(id)
{
  createCookie("distanceUnit","yards",30);
  
  var http=getHTTPObject();

  http.open("GET","../scorecard.php?id="+id+"&distanceUnit=yards",true);
  http.onreadystatechange=function() {
    if (http.readyState == 4) {
      var divId="scoreCard."+id;
      document.getElementById(divId).innerHTML=http.responseText;
    }
  }
  http.send(null);
}