//wyy begin
//添加cookie，设置值、过期时间、域、目录
function addCookie2(cookie_name, cookie_value, expiresSecond, domain, path){
	var date = new Date();
	var ms = expiresSecond * 1000;
	date.setTime(date.getTime() + ms);
	document.cookie = cookie_name + "=" + escape(cookie_value) + "; expires=" + date.toGMTString() + ";domain="+domain + ";path="+path;
}
//获取cookie
function getCookie(cookie_name){
	var cookie_value = "";
	var allcookies = document.cookie;
	var cookie_pos = allcookies.indexOf(cookie_name);
	if(cookie_pos != -1){
		cookie_pos += cookie_name.length + 1;
		var cookie_end = allcookies.indexOf(";", cookie_pos);
		if (cookie_end == -1){
			cookie_end = allcookies.length;
		}
		cookie_value = unescape(allcookies.substring(cookie_pos, cookie_end));
	}
	return cookie_value;
}

//删除cookie
function delCookie(cookie_name){
	var date = new Date();
	date.setTime(date.getTime() - 10000);
	document.cookie = cookie_name + "=a; expires=" + date.toGMTString();
}
var expiresSecond = 15*24*3600;//过期时间，单位：秒
function saveCookie() {
	//保存cookie
	var domain=window.location.host;
	var rememberPassword=document.getElementById("rememberPassword").checked;
	addCookie2("rememberPassword", rememberPassword, expiresSecond,domain,'/');
	if(document.getElementById("rememberPassword").checked){
		var username= document.getElementById("j_username").value;
		addCookie2("bcxusername", username, expiresSecond,domain,'/');
		var password = document.getElementById("j_password").value;
		//加密
		password=unicode(password);
		addCookie2("bcxpassword", password, expiresSecond,domain,'/');
	} else {
		delCookie("bcxusername");
		delCookie("bcxpassword");
	}
	var autoLogin=document.getElementById("autoLogin").checked;
	addCookie2("autoLogin", autoLogin, expiresSecond,domain,'/');
	if(document.getElementById("autoLogin").checked){
		var username= document.getElementById("j_username").value;
		addCookie2("bcxusername", username, expiresSecond,domain,'/');
		var password = document.getElementById("j_password").value;
		//加密
		password=unicode(password);
		addCookie2("bcxpassword", password, expiresSecond,domain,'/');
	}
}

function recoverCookie() {
	//从cookie中读取用户名和密码
	var rememberPassword = getCookie("rememberPassword");
	if(rememberPassword!="true"){
		document.getElementById("rememberPassword").checked = false;
	}else{
		document.getElementById("rememberPassword").checked = true;
		var username = getCookie("bcxusername");
		document.getElementById("j_username").value = username;
		var password = getCookie("bcxpassword");
		document.getElementById("j_password").value = runicode(password);
	}
	//document.getElementById("loginNameFlag").checked =loginNameFlag;
	var autoLogin = getCookie("autoLogin");
	if(autoLogin!="true"){
		document.getElementById("autoLogin").checked = false;
	}else{
		document.getElementById("autoLogin").checked = true;
		document.getElementById("rememberPassword").checked = true;
		var username = getCookie("bcxusername");
		document.getElementById("j_username").value = username;
		var password = getCookie("bcxpassword");
		document.getElementById("j_password").value = runicode(password);
		document.getElementById("autoLoginFlg").value = "1";
		login();
	}
}

//加密
function unicode(s){
	   var len=s.length;
	   var rs="";
	   for(var i=0;i<len;i++){
	          var k=s.substring(i,i+1);
	          rs+= (i==0?"":",")+s.charCodeAt(i);
	   }
	   return rs;
	}
/**解密 */
function runicode(s){
	  var k=s.split(",");
	  var rs="";
	  for(i=0;i<k.length;i++){
	     rs+=String.fromCharCode(k[i]);
	  }
	  return rs;
}
//wyy end