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.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.runAJAX = 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();
}