[RESOLVED] I need help with AJAX

My AJAX code is not working please help.

Please ignore syntax error(s) just get the idea.

Below is my AJAX code:

Code:

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/**
 * @author cloud
 */
var pointer;
function userStatus(method, url, asynchronus)
{
        /*
        * Data members/Field members
        */
        pointer=this;
        this.MAX_HTTPRequestObjects=4;
        this.log=document.getElementById("logMessages");
        this.url=url;
        this.method=method;
        this.asynchronus=asynchronus;
        this.index=0;
        this.XMLHTTPRequestObjects=new Array();
        this.memberName="";
        this.memberNumber="";
        this.memberData="";
        this.buddyData="";
        this.blogEntries="";
        /*
        * Initialize data mebers/Field members
        */
        this.getXMLHTTPRequestObjects();
        this.getMemberData();
        this.getBuddyData();
        this.getBlogEntries();
}

UserStatus.prototype.getXMLHTTPRequestObjects = function(){
        // Is it for Firefox, Safari, Opera, etcs ?
        try
        {
                for (var i = 0; i < pointer.MAX_XMLHTTPRequestObjects; i++) this.xmlHTTPRequestObjects[i] = new XMLHttpRequest();
        }
        catch (e)
        {
                /*
                * It is for Internet Explorer ?
                */
                try
                {
                        for (var i = 0; i < pointer.MAX_XMLHTTPRequestObjects; i++) pointer.xmlHTTPRequestObjects[i] = new ActiveXObject("Msxml2.XMLHTTP");
                }
                catch (e)
                {
                        try
                        {
                                for (var i = 0; i < pointer.MAX_XMLHTTPRequestObjects; i++) pointer.xmlHTTPRequestObjects[i] = new ActiveXObject("Microsoft.XMLHTTP");
                        }
                        catch (e)
                        {
                                window.alert("Your browser does not support AJAX.");
                        }
                }
        }
};

UserStatus.prototype.getData(url, method, asynchronus)
{
        this.XMLHttpRequestObjects[this.index].onreadystatechange=this.processData;
        this.XMLHttpRequestObjects[this.index].open(method.toUpperCase(), url, asynchronus);
        this.XMLHttpRequestObjects[this.index].send(null);       
};

UserStatus.prototype.processData=function()
{
if (pointer.index==xml.MAX_XMLHTTPRequestObjects-1) return;       
if (pointer.xmlHTTPRequestObjects[pointer.index].readyState==0) pointer.logMessage("Request not initialize.");
        else if (pointer.xmlHTTPRequestObjects[pointer.index].readyState==1) pointer.logMessage("Request been setup.");
        else if (pointer.xmlHTTPRequestObjects[pointer.index].readyState==2) pointer.logMessage("Request has been sent.");
        else if (pointer.xmlHTTPRequestObjects[pointer.index].readyState==3) pointer.logMessage("Request is process.");
        else if (pointer.xmlHTTPRequestObject.readyState==4)
        {
                if (pointer.index==0) parseMemberData(pointer.xmlHTTPRequestObject[pointer.index].responseText);
                else if (pointer.index==1) parseBuddyData(pointer.xmlHTTPRequestObject[pointer.index].responseText);
                else if (pointer.index==2) parseBlogentries(pointer.xmlHTTPRequestObject[pointer.index].responseText);
        }
        pointer.index++;
};

UserStatus.prototype.getMemberData=function (method, url, aysynchronus)
{
        this.getData(method, url, asynchronus);
};

UserStatus.prototype.getBuddyData=function (method, url, asynchronus)
{
        this.getData(method, url, asynchronus);
};

UserStatus.prototype.getBlogEntries=function (method, url, asynchronus)
{
        this.getData(method, url, asynchronus);
};

UserStatus.prototype.parseMemberData=function (memberData)
{
        /*
        * Parse member data in here
        */
};

userStatus.prototype.parseBuddyData=function (buddyData)
{
        /*
        * Parse buddy data in here
        */
};

UserStatus.prototype.parseBlogEntries=function (blogEntries)
{
        /*
        * Parse blog entries in here
        */
};

UserStatus.prototype.logMessage=function (message)
{
        this.log.value=this.log.value+messsage+"\n";
}

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Here is one of the error:

Code:

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[Exception... "Component returned failure code: 0xc1f30001 (NS_ERROR_NOT_INITIALIZED) [nsIXMLHttpRequest.send]"  nsresult: "0xc1f30001 (NS_ERROR_NOT_INITIALIZED)"  location: "JS frame ::"  data: no]

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Here is the other error:

Quote:

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I get different responses for different requests

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I need help resolving these error.

Quote:

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I solved the problem. The idea was right, but there was a logical error.
I should have used a loop to check an array of xhr objects and use the loop
counter as an index to direct the appropriate responses to the appropriate destinations.

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