// Copyright (C) Minyoo Network, InC.
var userAgent = navigator.userAgent.toLowerCase();
var is_opera = userAgent.indexOf('opera') != -1 && opera.version();
var is_moz = (navigator.product == 'Gecko') && userAgent.substr(userAgent.indexOf('firefox') + 8, 3);
var is_ie = (userAgent.indexOf('msie') != -1 && !is_opera) && userAgent.substr(userAgent.indexOf('msie') + 5, 3);
var XMLHttpReq;   
var cookiePath = "/";
var cookieTime = 3600*24;

function isUndefined(variable) {
	return typeof variable == 'undefined' ? true : false;
}

// select begin date
function selectBeginDate(ctrlobj) {
	var the_url = location.href;
	var str1 = the_url.split("//");
	var str2 = str1[1];
	var str3 = str2.split("/");
	var folder = str3[1];
	retval = window.showModalDialog("/CalendarDlg.html", "", "dialogWidth:235px; dialogHeight:210px; dialogLeft:300px; dialogTop:150px; status:no; directories:yes;scrollbars:no;Resizable=no;");
	if (retval != null) {
		retval = retval.substring(0, 10);
		ctrlobj.value = retval;
	}
}

// select end date
function selectEndDate(ctrlobj) {
	var the_url = location.href;
	var str1 = the_url.split("//");
	var str2 = str1[1];
	var str3 = str2.split("/");
	var folder = str3[1];
	retval = window.showModalDialog("/CalendarDlg.html", "", "dialogWidth:235px; dialogHeight:210px; dialogLeft:300px; dialogTop:150px; status:no; directories:yes;scrollbars:no;Resizable=no;");
	if (retval != null) {
		retval = retval.substring(0, 10);
		ctrlobj.value = retval;
	}
}

// hidden big image
function hiddenBigImage() {
	var x, y, layer;
	mlayer = document.getElementById("MinyooLayer");
	if (mlayer) {
		mlayer.innerHTML = "";
		mlayer.style.display = "none";
	}
}

// show big image
function showBigImage(id) {
	var imgsrc = "/image.jsp?id=" + id;
	var x, y, mlayer;
	x = event.clientX;
	y = event.clientY;
	mlayer = document.getElementById("MinyooLayer");
	if (mlayer) {
		mlayer.style.left = x;
		mlayer.style.top = y;
		mlayer.innerHTML = "<img onerror='doHidden(this)' src=\"" + imgsrc + "\">";
		mlayer.style.display = "block";
	}
}

// hidden article content
function hiddenArtContent() {
	var x, y, layer;
	mlayer = document.getElementById("MinyooLayer");
	if (mlayer) {
		mlayer.innerHTML = "";
		mlayer.style.display = "none";
	}
}

// show article content
function showArtContent(artid) {
	var contdiv = eval("document.all.artdiv_"+artid);
	var mlayer = document.getElementById("MinyooLayer");
	if (mlayer == null || artid == null || artid.length == 0 || contdiv.innerHTML.length == 0) {
		return;
	}
	var x = event.clientX;
	var y = event.clientY;
	mlayer.style.cssText = "filter:alpha(opacity=90); border:5px solid #ffffff; BORDER-TOP: 3px outset; BORDER-BOTTOM: 3px outset; BORDER-LEFT: 3px outset; BORDER-RIGHT: 3px outset; width: 520; height: 70%; position: absolute; background-color: #3366FF; color:#FFFFFF; font-size:12px; vertical-align: middle; text-align: left; z-index:5; position: absolute;white-space:normal; width:510;";
	mlayer.style.left = x;
	mlayer.style.top = y;
	mlayer.innerHTML = "<table width='100%'><tr><td>"+contdiv.innerHTML+"</td></tr></table>";
	mlayer.style.display = "block";
}

// hidden object
function doHidden(obj) {
	if (obj) {
		obj.style.display = "none";
	}
}

// link a url
function linkURL(uobj, fobj) {
	var uo = eval("document.all." + uobj);
	var fo = eval("document.all." + fobj);
	if (uo && fo && fo.value) {
		window.open(uo.value + fo.value);
	}
}

// check file type (eg: checkFileType(this, ',jpg,jpeg,gif,png,bmp,ico,pcx,JPG,JPEG,GIF,PNG,BMP,ICO,PCX,'))
function checkFileType(obj, regex) {
	if (obj && obj.value && regex) {
		var type = obj.value.substring(obj.value.lastIndexOf(".") + 1, obj.value.length);
		if (regex.indexOf("," + type + ",") == -1) {
			alert("\u8bf7\u9009\u62e9\u6307\u5b9a\u7684\u6587\u4ef6\u7c7b\u578b\uff01");
			obj.select();
			document.execCommand("Delete");
			obj.focus();
		}
	}
}

// check url
function checkURL(url) {
	var oReq = new ActiveXObject("Microsoft.XMLHTTP")
	oReq.open("Get",url,false);
	oReq.send();
	if (oReq.status==404) {
		return false;
	} else {
		return true;
	}
}

// article content page 
function gotoContPage(page) {
	var pageCount = document.all.cont_page_count;
	if (!pageCount || page > pageCount.value*1) {
		return;
	}
	var c = pageCount.value*1;
	for (i=1; i<=c; i++) {
		var cpo = eval("document.all.cont_page_"+i);
		var cpb = eval("document.all.page_bar_"+i);
		if (!cpo) {
			continue;
		}
		cpo.style.display = "none";
		cpb.style.background = "";
	}
	var po = eval("document.all.cont_page_"+page);
	var pb = eval("document.all.page_bar_"+page);
	if (po && pb) {
		po.style.display = "";
		pb.style.background = "#3399FF";
	}
	window.location.hash = "ArticleContent";
}


function $(id) {
	return document.getElementById(id);
}

Array.prototype.push = function(value) {
	this[this.length] = value;
	return this.length;
}

function getCookie(name) {
	var cookie_start = document.cookie.indexOf(name);
	var cookie_end = document.cookie.indexOf(";", cookie_start);
	return cookie_start == -1 ? '' : unescape(document.cookie.substring(cookie_start + name.length + 1, (cookie_end > cookie_start ? cookie_end : document.cookie.length)));
}

function setCookie(cookieName, cookieValue, seconds, path, domain, secure) {
	seconds = seconds ? seconds : cookieTime;
	var expires = new Date();
	expires.setTime(expires.getTime() + seconds);
	document.cookie = escape(cookieName) + '=' + escape(cookieValue)
		+ (expires ? '; expires=' + expires.toGMTString() : '')
		+ (path ? '; path=' + path : cookiePath)
		+ (domain ? '; domain=' + domain : '')
		+ (secure ? '; secure' : '');
}

function attachEvent(obj, evt, func) {
	if(obj.addEventListener) {
		obj.addEventListener(evt, func, false);
	} else if(obj.attachEvent) {
		obj.attachEvent("on" + evt, func);
	}
}

function cancelBubble(e, returnValue) {
	if(!e) return ;
	if(is_ie) {
		if(!returnValue) e.returnValue = false;
		e.cancelBubble = true;
	} else {
		e.stopPropagation();
		if(!returnValue) e.preventDefault();
	}
}

function checkAll(name) {
	var e = is_ie ? event : checkAll.caller.arguments[0];
	obj = is_ie ? e.srcElement : e.target;
	var arr = document.getElementsByName(name);
	var k = arr.length;
	for(var i=0; i<k; i++) {
		arr[i].checked = obj.checked;
	}
}

function getPosition(obj) {
	var r = new Array();
	r['x'] = obj.offsetLeft;
	r['y'] = obj.offsetTop;
	while(obj = obj.offsetParent) {
		r['x'] += obj.offsetLeft;
		r['y'] += obj.offsetTop;
	}
	return r;
}

function addMouseEvent(obj){
	var checkbox,atr,ath,i;
	atr=obj.getElementsByTagName("tr");
	for(i=0;i<atr.length;i++){
		atr[i].onclick=function(){
			ath=this.getElementsByTagName("th");
			checkbox=this.getElementsByTagName("input")[0];
			if(!ath.length && checkbox.getAttribute("type")=="checkbox"){
				if(this.className!="currenttr"){
					this.className="currenttr";
					checkbox.checked=true;
				}else{
					this.className="";
					checkbox.checked=false;
				}
			}
		}
	}
}

if(is_ie) document.documentElement.addBehavior("#default#userdata");

function setData(key, value){
	if(is_ie){
		document.documentElement.load(key);
		document.documentElement.setAttribute("value", value);
		document.documentElement.save(key);
		return  document.documentElement.getAttribute("value");
	} else {
		sessionStorage.setItem(key,value);
	}
}

function getData(key){
	if(is_ie){
		document.documentElement.load(key);
		return document.documentElement.getAttribute("value");
	} else {
		return sessionStorage.getItem(key) && sessionStorage.getItem(key).toString().length == 0 ? '' : (sessionStorage.getItem(key) == null ? '' : sessionStorage.getItem(key));
	}
}

function selectFormOption(obj, value) {
	for(var i=0; i<obj.options.length; i++) {
		if(obj.options[i].value == value) {
			obj.options[i].selected = true;
		}
	}
}

function show(id, display) {
	if(!$(id)) return false;
	if(display == null || display == 'auto') {
		$(id).style.display = $(id).style.display == '' ? 'none' : '';
	} else {
		$(id).style.display = display;
	}
}

function trim(str) {
	return (str + '').replace(/(\s+)$/g, '').replace(/^\s+/g, '');
}

function loginOk() {
	var ok = false;
	var minyoo_uid = getCookie(minyoo_uid);
	minyoo_uid = minyoo_uid == '' ? 0 : minyoo_uid;
	if(minyoo_uid*1 > 0 && getCookie("login_status")) {
		ok = true;
	}
	return ok;
}

function setLoginStatus(action, minyoo_uid, minyoo_user) {
	if (action == null || action == "logout" || minyoo_uid*1 <= 0)	{
		setCookie("login_status", 0);
		setCookie("minyoo_uid", 0);
		setCookie("minyoo_user", "");
	} else if (action == "login") {
		setCookie("login_status", 1);
		setCookie("minyoo_uid", minyoo_uid);
		setCookie("minyoo_user", minyoo_user);
	} else {
		setCookie("login_status", 0);
		setCookie("minyoo_uid", 0);
		setCookie("minyoo_user", "");
	}
}

function setValue(obj, value) {
	var obj = $(obj);
	if (obj) {
		obj.value = value;
	}
}

function isEmail(obj) {
	var ret = false;
	var obj = $(obj);
	if (obj == null || obj.value.length == 0) {
		return ret;
	} else {
		if (obj.value.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1) {
			ret = true;
		} else {
			obj.value = "";
			obj.focus();
		}
	}
	return ret;
}

//创建XMLHttpRequest对象          
function createXMLHttpRequest() {   
	if(window.XMLHttpRequest) { // Mozilla
		XMLHttpReq = new XMLHttpRequest();
		if(XMLHttpReq.overrideMimeType) XMLHttpReq.overrideMimeType('text/xml');
	} else if(window.ActiveXObject) { // ie
		var versions = ['Microsoft.XMLHTTP', 'MSXML.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.7.0', 'Msxml2.XMLHTTP.6.0', 'Msxml2.XMLHTTP.5.0', 'Msxml2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP'];
		for(var i=0; i<versions.length; i++) {
			try {
				XMLHttpReq = new ActiveXObject(versions[i]);
				if(XMLHttpReq) break;
			} catch(e) {/*alert(e.message);*/}
		}
	}
}   

//发送登录请求函数   
function sendLoginRequest() {
	if (!$("userName").value || !$("password").value) {
		alert("请输入用户名和密码！");
		return false;
	}
	show("loadImg", "");
	createXMLHttpRequest();   
	var url = "/passport.jsp?action=login&u="+$("userName").value+"&p="+$("password").value;
	XMLHttpReq.open("GET", url, true);   
	XMLHttpReq.onreadystatechange = processLoginResponse;//指定响应函数   
	XMLHttpReq.send(null);  // 发送请求   
}   

//发送注销请求函数   
function sendLogoutRequest() {
	show("loadImg", "none");
	createXMLHttpRequest();   
	var url = "/passport.jsp?action=logout";
	XMLHttpReq.open("GET", url, true);   
	XMLHttpReq.onreadystatechange = processLoginResponse;//指定响应函数   
	XMLHttpReq.send(null);  // 发送请求   
}   

// 处理返回信息函数   
function processLoginResponse() {   
	if (XMLHttpReq.readyState == 4) { // 判断对象状态   
		if (XMLHttpReq.status == 200) { // 信息已经成功返回，开始处理信息
			displayLoginInfo();   
		} else { //页面不正常   
			window.alert("您所请求的页面有异常。");   
		}   
	}   
}

// 显示登录信息
function displayLoginInfo() {
	if (XMLHttpReq) {
		var uid = trim(XMLHttpReq.responseText);
		if (uid *1 > 0) {
			showLogoutWapper(uid, $("userName").value);
		} else if (uid *1 == 0) {
			showLoginWapper();
		} else {
			showFailedWapper();
		}
	}
}

function showLoginWapper() {
	setLoginStatus("logout", "", "");
	show("loginForm", "");
	show("loginOK", "none");
	show("loadImg", "none");
	$("loginOK").innerHTML = "";
}

function showLogoutWapper(uid, userName) {
	setLoginStatus("login", uid, userName);
	show("loginForm", "none");
	show("loginOK", "");
	$("loginOK").innerHTML = "您好！"+userName+" 欢迎回来。&nbsp;<input type=\"button\" value=\"注  销\" style=\"font:12px\" name=\"logoutButton\" onClick=\"sendLogoutRequest()\">";
}

function showFailedWapper() {
	show("loadImg", "none");
	setValue("password", "");
	alert("用户不存在或密码错误，请重试！");
}

function initLoginForm() {
	var login_status = getCookie("login_status");
	var minyoo_uid = getCookie("minyoo_uid");
	var minyoo_user = getCookie("minyoo_user");
	login_status = (login_status != null && login_status.length == 1) ? login_status : "0";
	minyoo_uid = (minyoo_uid != null && minyoo_uid.length > 0) ? minyoo_uid : "0";
	minyoo_user = (minyoo_uid != null && minyoo_user.length > 0) ? minyoo_user : "";
	if (login_status*1 > 0 && minyoo_uid*1> 0 && trim(minyoo_user).length > 0) {
		showLogoutWapper(minyoo_uid, minyoo_user);
	} else {
		showLoginWapper();
	}
}

//发送注册请求函数   
function sendRegisterRequest() {
	if (!$("userName").value) {
		alert("请输入用户名！");
		return false;
	}
	if (!$("password").value) {
		alert("请输入密码！");
		return false;
	}
	if (!isEmail("email")) {
		alert("请输入正确的Email！");
		return false;
	}
	show("loadImg", "");
	createXMLHttpRequest();   
	var url = "/passport.jsp?action=register&u="+$("userName").value+"&p="+$("password").value+"&e="+$("email").value;
	XMLHttpReq.open("GET", url, true);   
	XMLHttpReq.onreadystatechange = processRegisterResponse;   
	XMLHttpReq.send(null); 
}   

// 处理返回信息函数   
function processRegisterResponse() {   
	if (XMLHttpReq.readyState == 4) { // 判断对象状态   
		if (XMLHttpReq.status == 200) { // 信息已经成功返回，开始处理信息
			displayRegisterInfo();   
		} else { //页面不正常   
			window.alert("您所请求的页面有异常。");   
		}   
	}   
}

// 显示注册信息
function displayRegisterInfo() {
	if (XMLHttpReq) {
		var uid = trim(XMLHttpReq.responseText);
		show("loadImg", "none");
		if (uid *1 > 0) {
			showLogoutWapper2(uid, $("userName").value);
		} else if (uid == -1) {
			alert("用户不合法！");
		} else if (uid == -2) {
			alert("包含要允许注册的词语！");
		} else if (uid == -3) {
			alert("用户名已经存在！");
		} else if (uid == -4) {
			alert("Email格式有误！");
		} else if (uid == -5) {
			alert("Email不允许注册！");
		} else if (uid == -6) {
			alert("Email已经被注册！");
		} else {
			alert("未定义的错误！");
		}
	}
}

function showLogoutWapper2(uid, userName) {
	setLoginStatus("login", uid, userName);
	show("registerForm", "none");
	show("loginOK", "");
	$("loginOK").innerHTML = "恭喜您！注册成功，请记住您的用户名["+userName+"] 。&nbsp;<input type=\"button\" value=\"注  销\" style=\"font:12px\" name=\"logoutButton\" onClick=\"sendLogoutRequest()\">&nbsp;<input type=\"button\" value=\"返回首页\" style=\"font:12px\" name=\"homeButton\" onClick=\"window.location = '/';\">";
	//window.location = "/";
}