HTTPObject (Bulletproof) in a configobject

HTTPObject.js

// As seen in Bulletproof Ajax (The warrior, not the faulty abbreviation), by Jeremy Keith
var httpObject = function(){
    if(window.XMLHttpRequest){
        httpObject = function(){
            return new XMLHttpRequest();
        };
    } else if(window.ActiveXObject) {
        var xhr;
        try{
            xhr = new ActiveXObject("Msxml2.XMLHTTP");
            httpObject = function(){
                return new ActiveXObject("Msxml2.XMLHTTP");
            };
        } catch(e) {
            // Disregard error, acquire HTTPObject
            try{
                xhr = new ActiveXObject("Microsoft.XMLHTTP");
                httpObject = function(){
                    return new ActiveXObject("Microsoft.XMLHTTP");
                };
            } catch(e) {
                httpObject = function(){
                    // I give up.
                    return false;
                };
            }
        }
    }
};