What's wrong with this couchdb view?

view

  function(doc) {
    if(doc.expires && doc.status && (doc.status == 'live' || doc.status == 'active')){
      var expiryDate = doc.expires.split(/-/); // date format is dd, mm, yy
      var expiresOn = new Date(expiryDate[0], expiryDate[1], expiryDate[2]);
      var timeNow = new Date();
      log('Now '+ timeNow);
      log('Expires '+ expiresOn);
      if( timeNow.getTime() >= expiresOn.getTime()) 
        emit(doc.coupon_id, null);
    }
  }