function _get_obj_toppos(obj)

{

        var top = obj.offsetTop;



        while( (obj = obj.offsetParent) != null )

        {

                top += obj.offsetTop;

        }



        return top;

}



function center_div()

{

        this.divname = '';

        this.divobj  = '';

}

center_div.prototype.clear_div = function()

{

        try

        {

                if ( ! this.divobj )

                {

                        return;

                }

                else

                {

                        this.divobj.style.display  = 'none';

                }

        }

        catch(e)

        {

                return;

        }

}

center_div.prototype.Ywindow = function()

{

        var scrollY = 0;



        if ( document.documentElement && document.documentElement.scrollTop )

        {

                scrollY = document.documentElement.scrollTop;

        }

        else if ( document.body && document.body.scrollTop )

        {

                scrollY = document.body.scrollTop;

        }

        else if ( window.pageYOffset )

        {

                scrollY = window.pageYOffset;

        }

        else if ( window.scrollY )

        {

                scrollY = window.scrollY;

        }



        return scrollY;

}

center_div.prototype.move_div = function()

{

        try

        {

                this.divobj = document.getElementById( this.divname );

        }

        catch(e)

        {

                return;

        }



        //----------------------------------

        // Figure width and height

        //----------------------------------



        var my_width  = 0;

        var my_height = 0;



        if ( typeof( window.innerWidth ) == 'number' )

        {

                my_width  = window.innerWidth;

                my_height = window.innerHeight;

        }

        else if ( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) )

        {

                my_width  = document.documentElement.clientWidth;

                my_height = document.documentElement.clientHeight;

        }

        else if ( document.body && ( document.body.clientWidth || document.body.clientHeight ) )

        {

                my_width  = document.body.clientWidth;

                my_height = document.body.clientHeight;

        }



        this.divobj.style.position = 'absolute';

        this.divobj.style.display  = 'block';

        this.divobj.style.zIndex   = 99;



        var divheight = parseInt( this.divobj.style.Height );

        var divwidth  = parseInt( this.divobj.style.Width );



        divheight = divheight ? divheight : 50;

        divwidth  = divwidth  ? divwidth  : 200;



        var scrolly = this.Ywindow();



        var setX = ( my_width  - divwidth  ) / 2;

        var setY = ( my_height - divheight ) / 2 + scrolly;



        setX = ( setX < 0 ) ? 0 : setX;

        setY = ( setY < 0 ) ? 0 : setY;



        this.divobj.style.left = setX + "px";

        this.divobj.style.top  = setY + "px";

}



function dle_ajax(file){

        this.AjaxFailedAlert = "Ваш браузер не поддерживает расширенные возможности управления сайтом, мы настоятельно рекомендуем сменить браузер.\n";

        this.requestFile = file;

        this.method = "POST";

        this.URLString = "";

        this.encodeURIString = true;

        this.execute = false;

        this.loading_fired                = 0;

        this.centerdiv          = null;



        this.onLoading = function() { };

        this.onLoaded = function() { };

        this.onInteractive = function() { };

        this.onCompletion = function() { };



        this.onShow = function( message )

        {

                if ( ! this.loading_fired )

                {

                        this.loading_fired = 1;



                        //------------------------------------------------

                        // Change text?

                        //------------------------------------------------



                if ( message )

                {

                        document.getElementById( 'loading-layer-text' ).innerHTML = message;

                }



                this.centerdiv         = new center_div();

                this.centerdiv.divname = 'loading-layer';

                this.centerdiv.move_div();

                }



                return;

        };



        this.onHide = function()

        {

                try

                {

                        if ( this.centerdiv && this.centerdiv.divobj )

                        {

                                this.centerdiv.clear_div();

                        }

                }

                catch(e)

                {

                }



                this.loading_fired = 0;



                return;

};





        this.createAJAX = function() {

                try {

                        this.xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");

                } catch (e) {

                        try {

                                this.xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");

                        } catch (err) {

                                this.xmlhttp = null;

                        }

                }

                if(!this.xmlhttp && typeof XMLHttpRequest != "undefined")

                        this.xmlhttp = new XMLHttpRequest();

                if (!this.xmlhttp){

                        this.failed = true;

                }

        };



        this.setVar = function(name, value){

                if (this.URLString.length < 3){

                        this.URLString = name + "=" + value;

                } else {

                        this.URLString += "&" + name + "=" + value;

                }

        }



        this.encVar = function(name, value){

                var varString = encodeURIComponent(name) + "=" + encodeURIComponent(value);

        return varString;

        }



        this.encodeURLString = function(string){

                varArray = string.split('&');

                for (i = 0; i < varArray.length; i++){

                        urlVars = varArray[i].split('=');

                        if (urlVars[0].indexOf('amp;') != -1){

                                urlVars[0] = urlVars[0].substring(4);

                        }

                        varArray[i] = this.encVar(urlVars[0],urlVars[1]);

                }

        return varArray.join('&');

        }



        this.encodeVAR = function(url){



        url = url.toString();



        var regcheck = url.match(/[\x90-\xFF]/g);



        if ( regcheck )

        {

                for (var i = 0; i < i.length; i++)

                {

                        url = url.replace(regcheck[i], '%u00' + (regcheck[i].charCodeAt(0) & 0xFF).toString(16).toUpperCase());

                }

        }



        return escape(url).replace(/\+/g, "%2B");

        }



        this.runResponse = function(){

                eval(this.response);

        }



        this.sendAJAX = function(urlstring){

                this.responseStatus = new Array(2);

                if(this.failed && this.AjaxFailedAlert){

                        alert(this.AjaxFailedAlert);

                } else {

                        if (urlstring){

                                if (this.URLString.length){

                                        this.URLString = this.URLString + "&" + urlstring;

                                } else {

                                        this.URLString = urlstring;

                                }

                        }

                        if (this.encodeURIString){

                                var timeval = new Date().getTime();

                                this.URLString = this.encodeURLString(this.URLString);

                                this.setVar("rndval", timeval);

                        }

                        if (this.element) { this.elementObj = document.getElementById(this.element); }

                        if (this.xmlhttp) {

                                var self = this;

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

                                        var totalurlstring = this.requestFile + "?" + this.URLString;

                                        this.xmlhttp.open(this.method, totalurlstring, true);

                                } else {

                                        this.xmlhttp.open(this.method, this.requestFile, true);

                                }

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

                                          try {

                                                this.xmlhttp.setRequestHeader('Content-Type','application/x-www-form-urlencoded')

                                        } catch (e) {}

                                }



                                this.xmlhttp.send(this.URLString);

                                this.xmlhttp.onreadystatechange = function() {

                                        switch (self.xmlhttp.readyState){

                                                case 1:

                                                        self.onLoading();

                                                break;

                                                case 2:

                                                        self.onLoaded();

                                                break;

                                                case 3:

                                                        self.onInteractive();

                                                break;

                                                case 4:

                                                        self.response = self.xmlhttp.responseText;

                                                        self.responseXML = self.xmlhttp.responseXML;

                                                        self.responseStatus[0] = self.xmlhttp.status;

                                                        self.responseStatus[1] = self.xmlhttp.statusText;

                                                        self.onCompletion();

                                                        if(self.execute){ self.runResponse(); }

                                                        if (self.elementObj) {

                                                                var elemNodeName = self.elementObj.nodeName;

                                                                elemNodeName.toLowerCase();

                                                        self.onHide();

                                                                if (elemNodeName == "input" || elemNodeName == "select" || elemNodeName == "option" || elemNodeName == "textarea"){

                                                                        if (self.response == 'error') { alert('Доступ отклонен'); } else {

                                                                        self.elementObj.value = self.response;

                                                                        }

                                                                } else {

                                                                        if (self.response == 'error') { alert('Доступ отклонен'); } else {

                                                                        self.elementObj.innerHTML = self.response;

                                                                        }

                                                                }

                                                        }

                                                        self.URLString = "";

                                                break;

                                        }

                                };

                        }

                }

        };

this.createAJAX();

}