// JavaScript Document
function trim(s){
	s = s.replace(/^\s*(.*?)\s*$/ig,'$1');
	return (s);
}
//var $ = function (o){return document.getElementById(o);};

function isLogin(page,div){
  var request_url;      
  var request_pars = '';  
  var _oDiv=$(div);
  request_url = page+'?'+new Date().getTime();
  var myAjax = new Ajax.Updater(_oDiv, request_url,{
	  method     : "get", // http 请求方法,get or post
	  evalScripts: true,
	  parameters : request_pars // 请求参数
  });
}


//用户登录验证
function loginCheck(){
   var userName = $("userName").value;
   var userPwd = $("userPwd").value;
   var validateCode = $("validateCode").value;
   if(trim(userName) == ''){
      alert("请输入用户名！");    
	  return false;  
   }
   
   if(trim(userPwd) == ''){
      alert("请输入密码！");    
	  return false;  
   }
   
   if(trim(validateCode) == ''){
      alert("请输入验证码！");    
	  return false;  
   }
   
   loginHandle(userName,userPwd,validateCode);
}

function loginHandle(userName,userPwd,validateCode){
   var url="/home/handle/loginHandle.php?url=/index.php";	
   var pars = 'userPwd='+userPwd+'&validateCode='+validateCode+'&userName='+encodeURIComponent(userName)+'&'+new Date().getTime();
   var myAjax = new Ajax.Request(url,{
   method:'get',
   parameters:pars,
   onComplete:loginResult
 });
}

function loginResult(response){
   var text = response.responseText;
   if(trim(text) == '登录成功'){
	   refurbish(); 
   }else{
     alert(text);
	 $("userPwd").value='';
	 $("validateCode").value='';
	 $("valid").setAttribute("src","/common/validateHandle.php?"+Math.random());
   }
}

//用户退出
function logoutHandle(){
   var url="/home/handle/logoutHandle.php";	
   var pars = '?'+new Date().getTime();
   var myAjax = new Ajax.Request(url,{
   method:'get',
   parameters:pars,
   onComplete:refurbish
 });
}


function refurbish(){
	location.reload();
}