//Array To hold the remote scripting objects
var AJAXGlobal = new Array();
// function that initializes the AJAX Object
function InitializeAJAXObj()
{
//XMLHttpObject
var RemoteObj;
if(window.XMLHttpRequest) // NON - IE Browsers
{
RemoteObj = new XMLHttpRequest();
}
else if(window.ActiveXObject) // IE Browser
{
RemoteObj = new window.ActiveXObject("Microsoft.XMLHTTP");
}
return RemoteObj;
}
//Object to store the remote object along with other information
function AJAXObject(AJAXObj, RespFunction, url, TargtId, ErrorFunction, isPST, isXmlval, isFrame, nameValPairArray)
{
this.AJAXObject = AJAXObj; // main object
this.ResponseFunction = RespFunction; // function to call after it initializes
this.TargetId = TargtId; // Target Id if applicable
this.isPOST = isPST; // POST/GET
this.errorHandler = ErrorFunction; // function to call if something is wrong
this.Url = url; // url to query
this.isFrame = isFrame;
this.Initialized = false;
this.Finished = false;
this.NameValpair = nameValPairArray;
this.toString = function(){
var strRet = "URL: "+ this.Url +"\n"+
"TargetId: "+ this.TargetId +"\n"+
"isPOST: "+ this.isPOST +"\n"+
"isXML: "+ this.isXML +"\n"+
"respFunction: "+ this.ResponseFunction;
return strRet;
};
this.isXML = isXmlval;
}
// function that gets called after the remote object completes the request
function AJAXGetResponse(UniqueId)
{
// check if we have necessary objects
if( AJAXGlobal[UniqueId] &&
AJAXGlobal[UniqueId].AJAXObject &&
AJAXGlobal[UniqueId].AJAXObject.readyState == 4 // state becomes 4 when script calls back
)
{
var worked = false;
// try
{
if( AJAXGlobal[UniqueId].AJAXObject.status == 200) // there is no error
{
//alert(AJAXGlobal[UniqueId].AJAXObject.responseXml.xml);
if(AJAXGlobal[UniqueId].isXML && AJAXGlobal[UniqueId].AJAXObject.getResponseHeader("Content-Type") == "text/xml")
{
AJAXGlobal[UniqueId].ResponseFunction(AJAXGlobal[UniqueId].AJAXObject.responseXML, UniqueId);
}
else
AJAXGlobal[UniqueId].ResponseFunction(AJAXGlobal[UniqueId].AJAXObject.responseText, UniqueId);
worked = true;
}
}
// catch(e)
{
}
if(!worked)
{
AJAXGlobal[UniqueId].errorHandler(UniqueId);
}
delete AJAXGlobal[UniqueId];
}
}
function HandleError(UniqueId)
{
if(AJAXGlobal[UniqueId] && AJAXGlobal[UniqueId].TargetId != 'SENDING_REMOTE_ERROR') /* make sure we are not sending an error that happened while sending error */
{
// var Arr = new Array();
// Arr["AJXValue"] = "Remote Scripting Error :\n" + AJAXGlobal[UniqueId].toString();
// SendAJAXCommand('RemoteScriptingObject1_Error', 'Errors/CatchJscriptError.aspx', function(str){}, 'SENDING_REMOTE_ERROR', true, Arr)
// alert("Errored "+ UniqueId +"\n"+ AJAXGlobal[UniqueId].AJAXObject.responseText);
}
}
var frameInitialized = false;
function AjaxResultsFromFrame(UniqueId)
{
if(AJAXGlobal[UniqueId] && AJAXGlobal[UniqueId].Initialized)
{
if(window.frames["AJAXHiddenFrame"+ UniqueId])
{
var doc = window.frames["AJAXHiddenFrame"+ UniqueId].document;
AJAXGlobal[UniqueId].ResponseFunction(doc.body.innerHTML, UniqueId);
AJAXGlobal[UniqueId].Finished = true;
var frm = document.getElementById("AJAXHiddenFrameId_"+ UniqueId);
if(frm)
document.body.removeChild(frm);
}
delete AJAXGlobal[UniqueId];
}
}
var AJAXsavedRequest = new Array();
function CreateAndUseHiddenFrame(UniqueId, url, RespFunction, TargtId, isPost, nameValPairArray, isXML)
{
var proto = location.href.toLowerCase().indexOf("https:") > -1 ? "https:" : "http:";
var domain = location.hostname;
var FrameName = "AJAXHiddenFrame"+ UniqueId;
var strNewFrame = "";
document.body.insertAdjacentHTML("beforeEnd", strNewFrame);
url = ((url.indexOf("?") > 0)? url +"&" : url +"?") + "AddBody=";
var doc = window.frames[FrameName].document;
doc.open();
doc.write("");
doc.write("");
doc.write("");
doc.close();
var objForm = doc.getElementById("AJAXMethodForm");
var ajxObj = new AJAXObject(null, RespFunction, url, TargtId, HandleError, true, isXML, true);
AJAXGlobal[UniqueId] = ajxObj;
AJAXGlobal[UniqueId].Initialized = true;
objForm.submit();
}
function SendAJAXCommand(UniqueId, url, RespFunction, TargtId, isPost, nameValPairArray, isXML)
{
var RemoteObj = null;
url = ((url.indexOf("?") > 0)? url +"&" : url +"?") + (new Date()).getTime();
try{
RemoteObj = InitializeAJAXObj();
}
catch(e)
{
}
if(typeof(isXML) == "undefined")
isXML = false;
if(!RemoteObj)
{
CreateAndUseHiddenFrame(UniqueId, url, RespFunction, TargtId, isPost, nameValPairArray, isXML);
return;
}
if(AJAXGlobal[UniqueId] != null)
{
AJAXGlobal[UniqueId].AJAXObject.abort( );
delete AJAXGlobal[UniqueId];
}
if(RemoteObj && AJAXGlobal[UniqueId] == null)
{
var ajxObj = new AJAXObject(RemoteObj, RespFunction, url, TargtId, HandleError, isPost, isXML, false);
AJAXGlobal[UniqueId] = ajxObj;
AJAXGlobal[UniqueId].AJAXObject.onreadystatechange = new Function("AJAXGetResponse('"+ UniqueId +"')");
if(isPost)
{
var str = "";
try
{
for(key in nameValPairArray)
{
str += ((str == "")? "" : "&") + key +"="+ escape(nameValPairArray[key]);
}
str += ((str == "")? "" : "&") +"AddBody= ";
}
catch(e)
{
delete AJAXGlobal[UniqueId];
return;
}
AJAXGlobal[UniqueId].AJAXObject.open("POST", url , true);
AJAXGlobal[UniqueId].AJAXObject.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
AJAXGlobal[UniqueId].AJAXObject.send(str);
}
else
{
AJAXGlobal[UniqueId].AJAXObject.open("GET", url , true);
AJAXGlobal[UniqueId].AJAXObject.send(null);
}
}
else
{
}
}