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function sendMessage()
{
var msg = document.getElementById('formid').msg.value;
var xhr = getXhr();
xhr.onreadystatechange = function()
{
if(xhr.readyState == 4)
{
if(xhr.status == 200)
{
var output = xhr.responseText;
_write_display('answerid', output);
}
else
{
alert("status "+xhr.status);
}
}
}
xhr.open("GET","./test2_backend.php5?msg="+msg,true);
xhr.send(null);
_write_display('answerid', 'waiting...');
}
function getXhr()
{
var xhr = null;
if(window.XMLHttpRequest) xhr = new XMLHttpRequest();
else if(window.ActiveXObject)
{
try
{
xhr = new ActiveXObject("Msxml2.XMLHTTP");
}
catch (e)
{
xhr = new ActiveXObject("Microsoft.XMLHTTP");
}
}
else
{
alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest...");
xhr = false;
}
return xhr
}
function _write_display(id, text)
{
if(document.getElementById(id)) {document.getElementById(id).innerHTML = text;}
} |
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