// stores the reference to the XMLHttpRequest object
var xmlHttp = createXmlHttpRequestObject();
// retrieves the XMLHttpRequest object
function createXmlHttpRequestObject()
{
var xmlHttp;
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;
}
}
if (!xmlHttp)
alert("Error creating the XMLHttpRequest object.");
else
return xmlHttp;
}
// make asynchronous HTTP request using the XMLHttpRequest object
function process()
{
// proceed only if the xmlHttp object isn't busy
if (xmlHttp.readyState == 4 || xmlHttp.readyState == 0)
{
// retrieve the name typed by the user on the form
CountryID1 = encodeURIComponent(document.getElementById("Magazine").value);
xmlHttp.open("GET","Ajax.php?ID="+CountryID1, true);
xmlHttp.onreadystatechange = handleServerResponse;
xmlHttp.send(null);
}
else
setTimeout('process()', 1000);
}
// executed automatically when a message is received from the server
function handleServerResponse()
{
if (xmlHttp.readyState == 4)
{
if (xmlHttp.status == 200)
{
document.getElementById("divMessage").innerHTML = xmlHttp.responseText;
}
else
{
alert("There was a problem accessing the server: " + xmlHttp.statusText);
}
}
}
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