// JavaScript Document
// holds an instance of XMLHttpRequest
var xmlHttp = createXmlHttpRequestObject();
// creates an XMLHttpRequest instance
function createXmlHttpRequestObject()
{
// will store the reference to the XMLHttpRequest object
var xmlHttp;
// this should work for all browsers except IE6 and older
try
{
// try to create XMLHttpRequest object
xmlHttp = new XMLHttpRequest(); 
}
catch(e)
{
// assume IE6 or older
var XmlHttpVersions = new Array("MSXML2.XMLHTTP.6.0",
"MSXML2.XMLHTTP.5.0",
"MSXML2.XMLHTTP.4.0",
"MSXML2.XMLHTTP.3.0",
"MSXML2.XMLHTTP",
"Microsoft.XMLHTTP");
// try every prog id until one works
for (var i=0; i<XmlHttpVersions.length && !xmlHttp; i++)
{
try
{
// try to create XMLHttpRequest object
xmlHttp = new ActiveXObject(XmlHttpVersions[i]);
}
catch (e) {}
}
}
// return the created object or display an error message
if (!xmlHttp)
alert("Error creating the XMLHttpRequest object.");
else
return xmlHttp;
}

function DirectoryAJAX(SpanID,Page)
{
	
	IDToDisplay = SpanID;
	var sid = Math.floor(Math.random()*10000);
// only continue if xmlHttp isn't void
if (xmlHttp) 
{
// try to connect to the server
try
{
// initiate reading the async.txt file from the server
xmlHttp.open("GET", "AJAXindex.php?p="+Page+"&sid="+sid, true);
xmlHttp.onreadystatechange = handleInvoiceDisplay;
xmlHttp.send(null);
}
// display the error in case of failure
catch (e)
{
alert("Can't connect to server:\n" + e.toString());
}
}
}

function DirectoryAJAXForms(SpanID,Page,ID)
{
	
	IDToDisplay = SpanID;
	var sid = Math.floor(Math.random()*10000);
// only continue if xmlHttp isn't void
if (xmlHttp) 
{
// try to connect to the server
try
{
// initiate reading the async.txt file from the server
xmlHttp.open("GET", "AJAXindex.php?p="+Page+"&sid="+sid+"&ID="+ID, true);
xmlHttp.onreadystatechange = handleInvoiceDisplay;
xmlHttp.send(null);
}
// display the error in case of failure
catch (e)
{
alert("Can't connect to server:\n" + e.toString());
}
}
}

function DirectoryAJAXFormsDelete(SpanID,Page,PubID,Operation)
{
	
	IDToDisplay = SpanID;
	var sid = Math.floor(Math.random()*10000);
// only continue if xmlHttp isn't void
if (xmlHttp) 
{
// try to connect to the server
try
{
// initiate reading the async.txt file from the server
xmlHttp.open("GET", "AJAXindex.php?p="+Page+"&sid="+sid+"&PubID="+PubID+"&Operation="+Operation, true);
xmlHttp.onreadystatechange = handleInvoiceDisplay;
xmlHttp.send(null);
}
// display the error in case of failure
catch (e)
{
alert("Can't connect to server:\n" + e.toString());
}
}
}

function ShowMemberSearch(SpanID,Page)
{
	
	IDToDisplay = SpanID;
	var FirstName = encodeURIComponent(document.getElementById("FirstName").value);
	var LastName = encodeURIComponent(document.getElementById("LastName").value);
	var SearchMenuSelected = document.getElementById("SearchMenu");
	var SearchMenu = encodeURIComponent(SearchMenuSelected.options[SearchMenuSelected.selectedIndex].value);
	
	var SearchCityMenuSelected = document.getElementById("SearchCityMenu");
	var SearchCityMenu = encodeURIComponent(SearchCityMenuSelected.options[SearchCityMenuSelected.selectedIndex].text);
	
	var SearchCountryMenuSelected = document.getElementById("SearchCountryMenu");
	var SearchCountryMenu = encodeURIComponent(SearchCountryMenuSelected.options[SearchCountryMenuSelected.selectedIndex].text);
	
	var sid = Math.floor(Math.random()*10000);
// only continue if xmlHttp isn't void
if (xmlHttp) 
{
// try to connect to the server
try
{
// initiate reading the async.txt file from the server
xmlHttp.open("GET", "AJAXindex.php?p="+Page+"&sid="+sid+"&FirstName="+FirstName+"&LastName="+LastName+"&SearchMenu="+SearchMenu+"&SearchCityMenu="+SearchCityMenu+"&SearchCountryMenu="+SearchCountryMenu, true);
xmlHttp.onreadystatechange = handleInvoiceDisplay;
xmlHttp.send(null);
}
// display the error in case of failure
catch (e)
{
alert("Can't connect to server:\n" + e.toString());
}
}
}

function handleInvoiceDisplay()
{
// obtain a reference to the <div> element on the page
myDiv = document.getElementById(IDToDisplay);
// Use the following to tell the user what is happenning (good to use when connecting to database)
/* if (xmlHttp.readyState == 1)
{
myDiv.innerHTML += "Request status: 1 (loading) <br/>";
}
else if (xmlHttp.readyState == 2)
{
myDiv.innerHTML += "Request status: 2 (loaded) <br/>";
}
else if (xmlHttp.readyState == 3)
{
myDiv.innerHTML += "Request status: 3 (interactive) <br/>";
}
// when readyState is 4, we also read the server response
else */

if (xmlHttp.readyState == 4)
{
// continue only if HTTP status is "OK"
if (xmlHttp.status == 200)
{
try
{

// read the message from the server
response = xmlHttp.responseText;
// display the message
myDiv.innerHTML = response;
}
catch(e)
{
// display error message
alert("Error reading the response: " + e.toString());
}
}
else
{
// display status message
alert("There was a problem retrieving the data:\n" +
xmlHttp.statusText);
}
}
}