function TUser()
{
	//Функция запрашивает информацию о текущем пользователе с сервера
	this.LoadData = function()
	{
		var r = new TRequest(this);
		var xs='<?xml version="1.0" encoding="utf-8"?><metadata fn="7"><cmd><![CDATA[0]]></cmd></metadata>';
		if(r.callServer(ScriptName,xs))
		{
			this.showShadow(true);
		}
	};

	this.applyReq=function(req,fn,node)
	{
		//alert(getXMLNodeSerialisation(node));
		this.showShadow(false);

		if(fn==7)
		{
			var nCmd=findFirstNode(node, "cmd");
			if(nCmd!=null)
			{
				if(findFirstNode(nCmd,'#cdata-section').nodeValue=="1") //Logout
				{
					location.reload();
					//window.location.href = '../';
				}else if(findFirstNode(nCmd,'#cdata-section').nodeValue=="2") //Check if user not logged
				{
					if(findNode(node,'#cdata-section').nodeValue=="0") //if not logged
					{
						this.showLoginForm();	
					}else
					{
						this.name=getCdataValue(findNode(node,'name'));
						this.surname=getCdataValue(findNode(node,'surname'));
						this.patronymic=getCdataValue(findNode(node,'patronymic'));
	
						if (typeof this.onUpdateName !== 'undefined') {
							this.onUpdateName(this.name,this.surname,this.patronymic);
						}
						//configGUIbyAccessLevel();
						//var shadow=document.getElementById("shadow");
						//if(shadow.parentNode!=null) shadow.parentNode.removeChild(shadow);
					}
				}else if(findFirstNode(nCmd,'#cdata-section').nodeValue=="3") //Login
				{
					//if(findNode(node,'#cdata-section').nodeValue=="0") //if not logged
					//{
					//	alert(_('Invalid_username_and_or_password'));	
					//}else
					//{
					//	location.reload();	
					//}
				}else if(findFirstNode(nCmd,'#cdata-section').nodeValue=="4") //Register
				{
					//if(findNode(node,'#cdata-section').nodeValue=="1") //if register
					//{
					//	alert(_('New_user_is_registered')+'\n'+_('The_password_has_been_sent_to_you_by_Email'));
					//	location.reload();
					//}
				}
			}
		}

	};
	//Display login and registration form
	this.showLoginForm = function()
	{
		if(this.win==null || this.win.closed)
		{
			this.win=new TWin(true);
			this.win.TWin(10,10);
			this.win.setCaption(_('Authorization'));

			this.win.setSize("350px","200px");

			var str='<div style="width: 100%; height: 100%; padding: 3px; text-align: left;">\n\
				<table border="0" cellpadding="0" cellspacing="0" style="width: 100%; height: 100%;">\n\
					<tbody>\n\
						<tr><td>\n\
								<table border="0" style="width: 100%; height: 100%;">\n\
									<tr>\n\
										<td style="padding: 2px; width: 30%; white-space: nowrap"><b>'+_('Login')+' (E-mail):</b></td>\n\
										<td style="padding: 2px;"><input type="text" maxlength="50" style="width: 100%; padding: 2px; display: inline;" id="tcLogin'+this.uid+'" name="login"><br></td>\n\
									</tr>\n\
									<tr>\n\
										<td style="padding: 2px;"><b>Password:</b></td>\n\
										<td style="padding: 2px;"><input type="password" maxlength="33" style="width: 100%; padding: 2px; display: inline;" id="tcPassword'+this.uid+'" name="password"><br></td>\n\
									</tr>\n\
									<tr>\n\
										<td style="padding: 2px;" colspan="2"><table cellspacing="0" cellpadding="0" border="0" style="width: 100%;"><tr><td><label for="save0" style="white-space: nowrap;"><input id="save_'+this.uid+'" type="checkbox" style="display: inline;" checked/>&nbsp;Remember&nbsp;(<a href="#" onclick="showRestoreForm();">Forgot your password?</a>)</label></td></tr></table></td>\n\
									</tr>\n\
									<tr><td colspan="2" style="text-align: right;"><input class="button-secondary" id="TLogin_E'+this.uid+'" type="button" style="display: inline;" value="'+_('Log_in')+'"></td></tr>\n\
								</table>\n\
							</td></tr>\n\
					</tbody>\n\
				</table>\n\
			</div>';

			this.win.setContent(str);

			//Center the window and display the shadow
			//if(this.win.tbl.offsetHeight>this.win.div.offsetHeight) this.win.div.style.height=this.win.tbl.offsetHeight+"px";
			//if(this.win.tbl.offsetWidth>this.win.div.offsetWidth) this.win.div.style.width=this.win.tbl.offsetWidth+"px";
			this.win.setCenter();
			this.win.shadow=true;
			this.win.hide(false);

			//Нажатие на кнопку авторизоваться
			var obj=null;               
			obj=document.getElementById('TLogin_E'+this.uid);
			if(obj!==null)
			{
				obj.onclick=function(thiz)
				{
					return function()
					{
						var xs='<?xml version="1.0" encoding="utf-8"?>\
								<metadata fn="7">\
										<cmd><![CDATA[3]]></cmd>\n\
										<login><![CDATA['+document.getElementById('tcLogin'+thiz.uid).value+']]></login>\
										<password><![CDATA['+document.getElementById('tcPassword'+thiz.uid).value+']]></password>\
								</metadata>';

						var request=new TRequest(thiz);
						if(request.callServer(ScriptName,xs))
						{
								thiz.win.showProgressBar();
						}
					};
				}(this);
			}
		}
	};
	//logout current user
	this.Logout = function()
	{
		xs='<?xml version="1.0" encoding="utf-8"?><metadata fn="7"><cmd><![CDATA[1]]></cmd></metadata>';
		var request=new TRequest(this);
		if(request.callServer(ScriptName,xs))
		{
			this.showShadow();
		}
	};
	
	//Checking the session without its extension, if it is completed, we display the authorization window.
	this.checkSession = function()
	{
		$.getJSON('../session',{},function(thiz){return function(data){ if(data.result=='ERROR'){thiz.showLoginForm();} };}(this));
		setTimeout(function(thiz){return function(){thiz.checkSession();};}(this), 10000);		
	};

	this.showShadow = function(visible)
	{
            if(visible)
            {
                this.divsh=document.createElement('div'); //Тень для модального окна
                this.divsh.style.cssText="display: block; position: fixed; z-index:9999; top:0; left:0; height: 100%; width: 100%; background: rgba(0,0,0,0.3);";
                document.body.appendChild( this.divsh );
            }else
            {
                deleteHTML(this.divsh);
            }
	};
	//Check whether the already authorized (+ attempt to log in through "hash").
	this.isLogined=function()
	{
		var xs='<?xml version="1.0" encoding="utf-8"?><metadata fn="7"><cmd><![CDATA[2]]></cmd></metadata>';
		var request=new TRequest(this);
		if(request.callServer(ScriptName,xs))
		{
			this.showShadow(true);

			alert(ScriptName+" = "+xs);
			
			//m_winPP.showProgressBar();
		}
	};
	
	this.divsh=null;
	this.id=null;
	this.name='';
	this.surname='';
	this.patronymic='';
	this.temp=false;
	this.role='';
	
	//Запрашиваю данные о текущем пользователе с сервера
	//this.LoadData();
};


/*
 * Login form (not cross-source).
 * [^\x00-\x7F]+
 */
function TLogin()
{
	this.showLoginForm = function()
	{
		this.win.TWin(10,10);
		this.win.shadow=true;
		this.win.setCaption(document.createTextNode("Enter"));

		var str='<div style="width: 100%; height: 100%; padding: 3px; text-align: left;">\n\
			<table border="0" cellpadding="0" cellspacing="0" style="width: 100%; height: 100%;">\n\
				<tbody>\n\
					<tr><td>\n\
							<table border="0" style="width: 100%; height: 100%;">\n\
								<tr>\n\
									<td style="padding: 2px; width: 30%; white-space: nowrap"><b>'+_('Login')+' (E-mail):</b></td>\n\
									<td style="padding: 2px;"><input type="text" maxlength="50" style="width: 100%; padding: 2px; display: inline;" id="tcLogin'+this.uid+'" name="login"><br></td>\n\
								</tr>\n\
								<tr>\n\
									<td style="padding: 2px;"><b>Password:</b></td>\n\
									<td style="padding: 2px;"><input type="password" maxlength="33" style="width: 100%; padding: 2px; display: inline;" id="tcPassword'+this.uid+'" name="password"><br></td>\n\
								</tr>\n\
								<tr>\n\
									<td style="padding: 2px;" colspan="2"><table cellspacing="0" cellpadding="0" border="0" style="width: 100%;"><tr><td><label for="save0" style="white-space: nowrap;"><input id="save_'+this.uid+'" type="checkbox" style="display: inline;" checked/>&nbsp;Remember&nbsp;(<a href="#" onclick="showRestoreForm();">Forgot your password?</a>)</label></td></tr></table></td>\n\
								</tr>\n\
								<tr><td colspan="2" style="text-align: right;"><input class="button-secondary" id="TLogin_E'+this.uid+'" type="button" style="display: inline;" value="'+_('Log_in')+'"></td></tr>\n\
							</table>\n\
						</td></tr>\n\
				</tbody>\n\
			</table>\n\
		</div>';

		this.win.setContent(str);

		var e=document.getElementById('TLogin_E'+this.uid);
		e.onclick=function(obj){ return function(){obj.onEnter(); };}(this);
		e=document.getElementById('tcLogin'+this.uid);
		e.onkeydown=function(obj){ return function(e){ if(e.which==13) obj.onEnter(); return true; };}(this);
		e=document.getElementById('tcPassword'+this.uid);
		e.onkeydown=function(obj){ return function(e){ if(e.which==13) obj.onEnter(); return true; };}(this);

		this.win.setSize("300px","155px");
		this.win.setCenter();
		this.win.obj=this;

		this.win.hide(false);
	};


	this.onEnter=function()
	{
		var login=document.getElementById('tcLogin'+this.uid).value;
		var password=document.getElementById('tcPassword'+this.uid).value;
		if(login=='' || password=='')
		{	str="Not filled in the required fields: ";
			if(login=='') str+='"'+_('Login')+' (E-mail)"';
			if(login=='' && password=='') str+=', ';
			if(password=='') str+='"Password"';
			str+='!';
			alert(str);
		}else
			this.Login(login,password,document.getElementById('save_'+this.uid).checked);
	};

	this.applyReq=function(req,fn,node)
	{
//		alert(getXMLNodeSerialisation(node));
		
		if (fn==-1)
		{
			alert(findFirstNode(node,'#cdata-section').nodeValue);
		}else if (fn==4)
		{
			//nodeToTable(node);
		}else if (fn==7)
		{
			var cmd=getCdataValue(findFirstNode(node,"cmd"));
//alert('cmd='+cmd);
			if(cmd==='0')
			{
				this.m_lo=getCdataValue(findFirstNode(node,"login")) == '0' ? false : true;	
				if(!this.m_lo)
				{	this.showLoginForm();
				}else
				{
					var name=getCdataValue(findFirstNode(node,"name"));
					var user_name=document.getElementById('user_name');
					if(user_name!=null) user_name.innerHTML=name;
					
					//Информируем слушатеелй о логине
					for(i=0;i<this.m_ls.length;i++)
						if(this.m_ls[i]!==null)
							this.m_ls[i].OnLogin(true); //0 - authorized, 1 - an incorrect username or password, 2 - left.						
				}
			}else if(cmd==='1')
			{
				location.reload(); 
			}else if(cmd==='2')
			{
				var login=getCdataValue(findFirstNode(node,"login")) == '0' ? false : true;	
				if(!login)
				{	alert('Не удалось авторизоваться.\nНеверный логин и/или пароль.');
				}else
				{
					this.m_lo=true;
					this.win.Close();

					var name=getCdataValue(findFirstNode(node,"name"));
					var user_name=document.getElementById('user_name');
					if(user_name!=null) user_name.innerHTML=name;
					//Информируем слушатеелй о логине
					for(i=0;i<this.m_ls.length;i++)
						if(this.m_ls[i]!==null)
							this.m_ls[i].OnLogin(true); //0 - authorized, 1 - an incorrect username or password, 2 - left.	
				}
			}
/*
			this.m_lo=getCdataValue(findFirstNode(node,"login")) == '0' ? true : false;
			if(this.m_lo && this.win.div!==null) this.win.hide(true);
			this.m_UserName=getCdataValue(findFirstNode(node,"name"));
*/
		}else
			alert("Not known function! fn=\""+fn+"\"" );
		
		this.win.hideProgressBar();
	};

	//l - login, p - password, s - allow or disallow auto-login!
	this.Login=function(login,password,save)
	{
		if(save)
		{	setCookie('GUID', guid(), 60, '/','','');	
		}else
		{	setCookie('GUID', '', 60, '/','','');
		}



		var xs='<?xml version="1.0" encoding="utf-8"?><metadata fn="7">\n\
					<cmd><![CDATA[2]]></cmd>\n\
					<login><![CDATA['+login+']]></login>\n\
					<password><![CDATA['+password+']]></password>\n\
			</metadata>';

//alert(xs);

		if(this.request.callServer(ScriptName,xs))
		{
			this.win.showProgressBar();
		}
	};

	//Check whether the already authorized (+ attempt to log in through "hash").
	this.Logined=function()
	{
		var xs='<?xml version="1.0" encoding="utf-8"?><metadata fn="7"><cmd><![CDATA[0]]></cmd></metadata>';
		
		//alert('xs='+xs);

		this.request.callServer(ScriptName,xs);
	};

	//logout current user
	this.Exit=function()
	{
		if(this.request.callServer(ScriptName,'<?xml version="1.0" encoding="utf-8"?><metadata fn="7"><cmd><![CDATA[1]]></cmd></metadata>'))
		{
			setCookie('GUID', '', 60, '/','','');
			showProgressBar(document.body);
		}
	};

	this.addListener=function(l)
	{	if(l.OnLogin==null) alert('Object does not have the function "OnLogin()"!');
		this.m_ls[this.m_ls.length]=l;
	};

	this.remListener=function(l)
	{	for(i=0;i<this.m_ls.length;i++)
		{	if(this.m_ls[i]==l)
				this.m_ls[i]=null;
		}
	};

	TLogin.LoginIsOk=0; //login in
	TLogin.LoginIsError=1; //Invalid password and / or login.
	TLogin.LoginIsExit=2; //Exit

	this.m_lo=false; //login in?
	this.name='Login';
	this.uid=getUID();
	this.win=new TWin();
	this.win.shadow=true;

	this.m_ls=new Array(); //Listeners called OnLogin function.
	this.guid='';
	this.m_UserName=''; //Member Name

	this.m_html=false;
	
	this.request = new TRequest(this);
}

//Display password recovery form
function showRestoreForm()
{
	var win=new TWin(true);
	win.TWin(10,10);
	win.setCaption(_("Password_recovery"));
	
	str='<div id="TWin_DT_'+win.tWinId+'" style="width: 100%; height: 100%; padding: 4px; text-align: left;">\n\
			<table border="0" cellpadding="0" cellspacing="0" style="width: 100%; height: 100%; padding: 0px;">\n\
				<tr>\n\
					<td style="padding: 2px; white-space: nowrap"><b>'+_('Login')+' (E-mail)</b></td>\n\
					<td style="padding: 2px;"><input type="text" maxlength="40" style="width: 100%; display: inline;" id="'+win.uid+'_email" name="login">\n\
						<table id="'+win.uid+'_phone" style="width: 100%; display: none;" cellpadding="0" cellspacing="0"><tr><td style="white-space: nowrap;"><b>+7 ( </b><input type="text" maxlength="3" onkeydown="this.value = this.value.replace(/[^0-9]/g, \'\')" onkeyup="this.value = this.value.replace(/[^0-9]/g, \'\')" style="width: 35px; display: inline;" id="'+win.uid+'_phone0" value=""><b> ) </b></td><td style="width: 90%;"><input type="text" onkeydown="this.value = this.value.replace(/[^0-9]/g, \'\')" onkeyup="this.value = this.value.replace(/[^0-9]/g, \'\')" maxlength="7" style="width: 100%;display: inline;" id="'+win.uid+'_phone1" value=""></td></tr></table><br></td>\n\
				</tr>\n\
				<tr><td colspan="2" style="text-align: right; padding: 2px;"><input class="button-secondary" id="'+win.uid+'_restore" type="button" style="display: inline;" value="'+_('Restore')+'"></td></tr>\n\
			</table>\n\
		</td></tr>\n\
	</div>';
	document.getElementById('TWin_Co_'+win.tWinId).innerHTML=str;

	win.setSize("300px","100px");

	//Центрируем окно и отображаем тень	
	if(win.tbl.offsetHeight>win.div.offsetHeight) win.div.style.height=win.tbl.offsetHeight+"px";
	if(win.tbl.offsetWidth>win.div.offsetWidth) win.div.style.width=win.tbl.offsetWidth+"px";
	win.setCenter();
	win.shadow=true;
	win.hide(false);

	//Click on restore button
	var obj=null;
	obj=document.getElementById(win.uid+'_restore');
	if(obj!=null)
	{
		obj.onclick=function(win)
		{	return function()
			{
				win.showProgressBar();
				//showProgressBar(document.getElementById('TWin_DT_'+win.tWinId),win.uid);
				
				var em=document.getElementById(win.uid+'_email').value;
				
				if(em==''){ document.getElementById(win.uid+'_email').select(); alert(_('Not_filled_Email_address')); win.hideProgressBar(); return; }
				if(! isEmail(em)){ document.getElementById(win.uid+'_email').select(); alert(_('Please_enter_a_valid_email_address'));  win.hideProgressBar(); return; }

				//Send AJAX reqwest to server
				var xml='<?xml version="1.0" encoding="utf-8"?>\
				<metadata fn="7">\
					<cmd><![CDATA[0]]></cmd>\
					<login><![CDATA['+em+']]></login>\
					<captcha><![CDATA[]]></captcha>\
				</metadata>';

				//Anonymous object
				obj=new function(win)
				{
					this.processReqChange = function(xmlHttpRequest, url, xmlString)
					{
						if(typeof(xmlHttpRequest.status)=='undefined' || xmlHttpRequest.status == 200)
						{
							if(typeof(xmlHttpRequest.responseXML)=='undefined' && xmlHttpRequest.contentType.match(/\/xml/)) //For IE XDomainRequest
								xmlHttpRequest.responseXML=CreateXMLDOC(xmlHttpRequest.responseText);

							//загрузился xml документ начинаем его разбирать (по id функции в документе)
							var xmldoc = xmlHttpRequest.responseXML
							if(xmldoc==null) alert(_('Wrong_XML_document')+"!\n"+xmlHttpRequest.responseText);

							var node = xmldoc.documentElement;
							if((node==null)||(node.getAttribute("fn")==null)) alert(_('Error')+"\n "+_("No_data")+"!\n"+xmlHttpRequest.responseText);
							else
							{
								//alert("Принятый браузером XML=\n"+getXMLNodeSerialisation(node));
								var fn = node.getAttribute("fn");
								if (fn==-1)
								{
									alert(findFirstNode(node,'#cdata-section').nodeValue);
									this.win.hideProgressBar();
								}else
								if(fn==7)
								{
									alert(findFirstNode(node,'#cdata-section').nodeValue);									
									this.win.Close();
								}
							}
						}else
						{
							if(confirm(_('Failed_to_get_data')+"\n URL: "+url+"\n"+xmlHttpRequest.statusText+"\nRedo the request?"))
							{
								var call=new myXMLHttpRequest(this);
								call.callServer(url,xmlString);
							}
						}
						return null;
					};
					this.win=win; //For close after showing message.
				}
				(win);

				var call=new myXMLHttpRequest(obj);
				call.callServer(ScriptName,xml);
				
			};
		}(win);
	}
}