//اللهم لا علم لنا الا ما علمتنا
//  Advanced  Javascript
//		PHP0@hotmail.com And Almhajer@hotmail.com
//   Class  BK  Javascript
//
//


BK.Ajax = new function() {


    var Loading_Images = new Image();
    Loading_Images.src = "http://localhost/www/domin//images/loading.gif";

    var Msg_Loading = '<img src="' + Loading_Images.src + '" border="0"/>  جاري التحميل ...';


    return {


        On_Loading : function() {
        },
        On_Loaded : function() {
        },
        On_Interactive : function() {
        },
        On_Completion : function() {
        },
        On_Error : function() {
        },
        On_Fail : function() {
        },







        Msg_Loading:function(Msgs) {


            Msg_Loading = Msgs;


        },



        Updates: function(Urls, ID_Elements) {


            if (window.XMLHttpRequest) { // Mozilla, Safari, ...


                var httpRequest = new XMLHttpRequest();


                if (httpRequest.overrideMimeType) {


                    httpRequest.overrideMimeType('text/xml');


                }


            }


            else if (window.ActiveXObject) { // IE


                try {


                    httpRequest = new ActiveXObject("Msxml2.XMLHTTP");


                }


                catch (e) {


                    try {


                        httpRequest = new ActiveXObject("Microsoft.XMLHTTP");


                    }


                    catch (e) {


                    }


                }


            }


            if (!httpRequest) {


                alert('Giving up :( Cannot create an XMLHTTP instance');


                return false;


            }


            httpRequest.onreadystatechange = function() {


                if (httpRequest.readyState == 1) {
                    if (typeof BK.Ajax.onLoading == 'function') {
                        BK.Ajax.onLoading();
                    }


                }


                if (httpRequest.readyState == 2) {
                    if (typeof BK.Ajax.onLoaded == 'function') {
                        BK.Ajax.onLoaded();
                    }

                }

                if (httpRequest.readyState == 3) {
                    if (typeof BK.Ajax.onInteractive == 'function') {

                        BK.Ajax.onInteractive();
                    }
                }


                if (httpRequest.readyState == 4) {


                    if (httpRequest.status == 200) {
                        if (typeof(ID_Elements) == 'string') {
                            ID_Elements = document.getElementById(ID_Elements);
                        }
                        else {
                            ID_Elements = ID_Elements;
                        }
                        ID_Elements.innerHTML = httpRequest.responseText;

                        if (typeof BK.Ajax.On_Completion == 'function') {
                            BK.Ajax.On_Completion();
                        }


                    } else {

                        if (typeof BK.Ajax.On_Error == 'function') {
                            BK.Ajax.On_Error();
                        }


                    }


                }


            };


            httpRequest.open('GET', Urls, true);


            httpRequest.send(null);


        }



    };


};