public function _construct()
 {
     parent::_construct();
     $this->_result = '';
     $this->_userId = -1;
     if (isset($_POST['captcha'])) {
         $data = $_POST['captcha'];
         $this->setEmail($_POST['email']);
         $_captcha = Mage::getModel('customer/session')->getData('form-validate-captcha_word');
         if ($_captcha['data'] != $data) {
             $this->_result .= 'wrongcaptcha,';
         } elseif ($this->isEmailExist()) {
             $this->_result .= 'emailisexist,';
         } elseif ($this->isnotEmail($this->_userEmail) == true) {
             $this->_result .= 'isnotemail,';
         } else {
             $this->_result = 'success';
         }
     } else {
         $this->setEmail($_POST['email']);
         if ($this->isEmailExist()) {
             $this->_result .= 'emailisexist,';
         } elseif ($this->isnotEmail($this->_userEmail) == true) {
             $this->_result .= 'isnotemail,';
         } else {
             $this->_result = 'success';
         }
     }
 }
 public function _construct()
 {
     parent::_construct();
     $this->setEmail($_POST['email']);
     $this->setSinglePassword($_POST['password']);
     if ($this->_result == '') {
         $this->loginUser();
     }
 }