dreamjob/app/Controller/ExternController.php

<?php
App::uses('AppController', 'Controller');

class ExternController extends AppController {

  public $uses = array('DreamjobJobOpening','DreamjobCompany');

  public $components = array('MiconwareSession');

  public function button_company() {
    $this->MiconwareSession->init($this);
    $this->MiconwareSession->initWeb($this);
    if(!empty($this->request->params['id'])){
      $this->set("company",$this->DreamjobCompany->find('first',array('conditions' => array('AppUser.id' => $this->request->params['id']))));
    }
    $this->layout = 'extern_mini';
    $this->render('/Extern/button_company');
  }
  public function button_opening() {
    $this->MiconwareSession->init($this);
    $this->MiconwareSession->initWeb($this);
    if(!empty($this->request->params['id'])){
      $con = $this->MiconwareSession->getOpeningCondition();
      $con['DreamjobJobOpening.id'] = $this->request->params['id'];
      $this->set("opening",$this->DreamjobJobOpening->find('first', array('conditions' => $con)));
    }
    $this->layout = 'extern_mini';
    $this->render('/Extern/button_opening');
  }
  public function button_opening_extern() {
    $this->MiconwareSession->init($this);
    $this->MiconwareSession->initWeb($this);
    $this->set("content",array(
        "mail"=>$this->request->query('mail'),
        "company"=>$this->request->query('company'),
        "street"=>$this->request->query('street'),
        "postcode"=>$this->request->query('postcode'),
        "city"=>$this->request->query('city'),
        ));
    $this->layout = 'extern_mini';
    $this->render('/Extern/button_opening_extern');
  }
}