Ajax = {}; // A singleton pattern
Ajax.makeRequest = function(method, url, callbackMethod)
{
Ajax.request = (window.XMLHttpRequest) ? new XMLHttpRequest() : new ActiveXObject("MSXML2.XMLHTTP");
Ajax.request.onreadystatechange = callbackMethod;
Ajax.request.open(method, url, true);
Ajax.request.send(url);
}
Ajax.checkReadyState = function(_id)
{
switch(Ajax.request.readyState){
case 1:
document.getElementById(_id).innerHTML = '
';
break;
case 2:
document.getElementById(_id).innerHTML = '
';
break;
case 3:
document.getElementById(_id).innerHTML = '
';
break;
case 4:
AjaxUpdater.isUpdating = false;
document.getElementById(_id).innerHTML = '';
return Ajax.request.status;
}
}
Ajax.onResponse = function()
{
if(this.request.getResponseHeader('Content-Type').indexOf('xml') != -1){
return Ajax.request.responseXML.documentElement;
}
else{
return Ajax.request.responseText;
}
}