// stores the reference to the XMLHttpRequest object
var xmlHttp = createXmlHttpRequestObject(); 

// retrieves the XMLHttpRequest object
function createXmlHttpRequestObject() 
{	
  // will store the reference to the XMLHttpRequest object
  var xmlHttp;
  // if running Internet Explorer
  if(window.ActiveXObject)
  {
    try
    {
      xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
    }
    catch (e) 
    {
      xmlHttp = false;
    }
  }
  // if running Mozilla or other browsers
  else
  {
    try 
    {
      xmlHttp = new XMLHttpRequest();
    }
    catch (e) 
    {
      xmlHttp = false;
    }
  }
  // return the created object or display an error message
  if (!xmlHttp)
 
    alert("Error creating the XMLHttpRequest object.");
  else 
    return xmlHttp;
}
scount=0;
// make asynchronous HTTP request using the XMLHttpRequest object 
function process_index(e)
{ 
  // proceed only if the xmlHttp object isn't busy
  if (xmlHttp.readyState == 4 || xmlHttp.readyState == 0)
  {
       // get the event
       var e = (!e) ? window.event : e;
       // get the event's target
       target = (!e.target) ? e.srcElement : e.target;
       if (target.nodeType == 3) 
       target = target.parentNode;
       // get the character code of the pressed button
       code = (e.charCode) ? e.charCode :
       ((e.keyCode) ? e.keyCode :
       ((e.which) ? e.which : 0));
    // check to see we if are interested in the current character
    if ((code <= 90 && code >= 65) || (code == 8) || (code == 109))
    {
    // retrieve the name typed by the user on the form
    name = encodeURIComponent(document.getElementById("keyword_index").value);
	if (name.length >= 2) {
    // find the base directory
      var script = encodeURI( document.getElementById("base_dir").value ) + "suggest.php?keyword=" + name;
    // execute the quickstart.php page from the server
    xmlHttp.open("GET", script, true);  
    // define the method to handle server responses
    xmlHttp.onreadystatechange = handleServerResponse_index;
    // make the server request
    xmlHttp.send(null);
	}
    }
  }
  else
    // if the connection is busy, try again after one second  
    setTimeout('process_index()', 1000);
document.getElementById('keyword_index').focus();
if(scount==0) window.scrollBy(0,200); 
scount++;
}

function errorsuppressor(){
	return true
}

// executed automatically when a message is received from the server
function handleServerResponse_index() 
{
  // move forward only if the transaction has completed
  if (xmlHttp.readyState == 4) 
  {
    // status of 200 indicates the transaction completed successfully
    if (xmlHttp.status == 200) 
    {
      window.onerror=errorsuppressor
      result = xmlHttp.responseText;
      document.getElementById('resultsbottom').innerHTML = result;
    } 
    // a HTTP status different than 200 signals an error
    else 
    {
      alert("There was a problem accessing the server: " + xmlHttp.statusText);
    }
  }
}