public function assetTransfer()
 {
     $details = array("asset_status" => $this->input->post('txtStatus'), "employee_id" => $this->input->post('txtEmployee'), "assigned_date" => date('Y-m-d'));
     $asset = Assets_model::find($this->input->post('txtAssetID'));
     if ($asset->update_attributes($details)) {
         $this->session->set_userdata('edited', 1);
         Audit_trail_model::auditAssignAsset($details, $this->input->post('txtAssetID'));
         redirect('ams/view_assets');
     }
 }