//******************************* XML request **********************************





   function XML_Load(url, method, req_params, ret_method, uparams) {

	this.XMLo=null;

    this.url = url;

    this.method = method;

    this.ret_method=ret_method; //XML or TEXT

    this.uparams = uparams;

    this.req_params=req_params;



     if (window.XMLHttpRequest) {  

         try { this.XMLo = new XMLHttpRequest(); }

         catch (e) { this.XMLo=null; }

     } else if (window.ActiveXObject) {    

                try { this.XMLo = new ActiveXObject("Microsoft.XMLHTTP"); }

                catch (e) { this.XMLo=null; }

            } else this.XMLo=null;



    if (this.XMLo!=null) { 

       //Wait while XML object initialized

       while (this.XMLo.readyState != 4 && this.XMLo.readyState != 0) {}

    }

   }



   XML_Load.prototype.IsReady=function() {   

    if (this.XMLo==null) return false;

    return true;

   }



   XML_Load.prototype.Load=function() {   

    if (this.method == "POST") {

        this.XMLo.open("POST", this.url, true);

        this.XMLo.setRequestHeader("Content-Type",

        "application/x-www-form-urlencoded; charset=UTF-8");

    } else if (this.method == "GET") {

               this.XMLo.open("GET", this.url+'?'+this.req_params, true);

           }



    var eobj=this;



    this.XMLo.onreadystatechange = function () {

     var eclass=eobj;

     var eXMLo=eclass.XMLo;



     if (eXMLo.readyState == 4) {

         if (eXMLo.status == 200) {

//     alert(eXMLo.responseText); //For Debugging only

             eclass.OnReady("",eclass.uparams,((eclass.ret_method=="XML") ? eXMLo.responseXML.documentElement : eXMLo.responseText));

			 delete eXMLo;

             delete eclass;

         } else {

//     alert(eXMLo.responseText); //For Debugging only

                 eclass.OnReady("There was a problem retrieving the XML data:\n" + eXMLo.statusText,eclass.uparams,((eclass.ret_method=="XML") ? eXMLo.responseXML.documentElement : eXMLo.responseText));

                 delete eXMLo;

                 delete eclass;

         }

     }

    }



    if (this.method == 'POST') this.XMLo.send(this.req_params);

        else if (this.method == 'GET') this.XMLo.send(null);



   }





  // Когда нужно задержать выполнение скрипта до получения ответа от сервера

   XML_Load.prototype.Load_=function() {   

    if (this.method == "POST") {

        this.XMLo.open("POST", this.url, false);

        this.XMLo.setRequestHeader("Content-Type",

        "application/x-www-form-urlencoded; charset=UTF-8");

    } else if (this.method == "GET") {

               this.XMLo.open("GET", this.url+'?'+this.req_params, true);

           }



    var eobj=this;



    this.XMLo.onreadystatechange = function () {

     var eclass=eobj;

     var eXMLo=eclass.XMLo;



     if (eXMLo.readyState == 4) {

         if (eXMLo.status == 200) {

 //         alert(eXMLo.responseText); //For Debugging only

             eclass.OnReady("",eclass.uparams,((eclass.ret_method=="XML") ? eXMLo.responseXML.documentElement : eXMLo.responseText));

			 delete eXMLo;

             delete eclass;

         } else {

//                 alert(eXMLo.responseText); //For Debugging only

                 eclass.OnReady("There was a problem retrieving the XML data:\n" + eXMLo.statusText,eclass.uparams,((eclass.ret_method=="XML") ? eXMLo.responseXML.documentElement : eXMLo.responseText));

                 delete eXMLo;

                 delete eclass;

         }

     }

    }



    if (this.method == 'POST') this.XMLo.send(this.req_params);

        else if (this.method == 'GET') this.XMLo.send(null);



   }































   //User defined function

   XML_Load.prototype.OnReady=function(uparams,ldata) {   

 

   }



// Example of call:

// var xl=new XML_Load("http://somthing.com","GET",null,"someparameters");

// if (xl.IsReady()) {

//     xl.OnReady=function(uparams,ldata) {

//      alert(uparams); //display "someparameters"

//      alert(ladata);  //display page from somthing.com

//     }

//     xl.Load();

// }