function login() {
	
   var userName = document.getElementById("accountKey").value;
   var myPassword = document.getElementById("accountToken").value;
  //检测用户名
   if(!checkAccount(trim(userName))){
   	messageDisplay("userName_error","格式错误");
   	return false;
   }else{
       swapDispaly("userName_error","none");
   }
   
   //检测密码
   if(!checkPasswordLogin(myPassword)){
   	messageDisplay("password_error","格式错误");
   	return false;
   }else{
       swapDispaly("password_error","none");
   }
    return true;
}