var url = "http://www.astonishingtales.com/php2/miscellany/webscreenplay/screenplay2.php?genre="; // The server-side script
var http = getHTTPObject(); // We create the HTTP Object

var inputurl = window.location.href;
var filenamepos = inputurl.indexOf("?filename=");
var filename = inputurl.substr(filenamepos+10);

function handleHttpResponse() {
  if (http.readyState == 4) {
    results = http.responseText;
    document.getElementById('screenplay').innerHTML = results;
 }

}

function showscreenplay() {
  http.open("GET", url + genre+"&filename="+filename, true);
  http.onreadystatechange = handleHttpResponse;
  http.send(null);

}

function getHTTPObject() {
  var xmlhttp;
  /*@cc_on
  @if (@_jscript_version >= 5)
    try {
      xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
    } catch (e) {
      try {
        xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
      } catch (E) {
        xmlhttp = false;
      }
    }
  @else
  xmlhttp = false;
  @end @*/
  if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
    try {
      xmlhttp = new XMLHttpRequest();
    } catch (e) {
      xmlhttp = false;
    }
  }
  return xmlhttp;
}