function ulubione(){
	var nazwa = LANG['FAV_NAME'];
	var url = LANG['FAV_SITE'];
	if (window.external) window.external.AddFavorite(url, nazwa)
	if (window.sidebar) window.sidebar.addPanel(nazwa, url, "");
}

function check_email_address(adres){
	if (adres != "") {
		var re = new RegExp("[^@]{1,}[@]{1}[^@.]{1,}[.]{1}[^@]{1,}","gi");
		var wynik = re.test(adres);
		return wynik;
	}
}

function m_show( img ){
	window.open('show.php?url='+img, '', 'width=500, height=300, scrollbars=no, toolbar=no,location=no, status=no, resizable=yes, screenX=120, screenY=100');
	return false;
}

function check_kontakt_form() {
	var f = document.getElementById('kontakt_form');
	if( f.kontakt_pytanie.value == '' ){
		alert ( LANG['KONTAKT_WPISZ_TRESC'] );
		return false;
	} else if( f.kontakt_podpis.value == '' ){
		alert ( LANG['KONTAKT_WPISZ_PODPIS'] );
		return false;
	} else if( f.kontakt_email.value == '' ){
    alert ( LANG['KONTAKT_WPISZ_ADRES_EMAIL'] );
		return false;
	} else if( check_email_address( f.kontakt_email.value ) == false ){
		alert ( LANG['KONTAKT_NIEPOPRAWNY_EMAIL'] );
		return false;
	} else if ( f.kontakt_captcha.value == '' ){
		alert( LANG['KONTAKT_WPISZ_CAPTCHA'] );
		return false;

	} else return true;
}


function check_zamowienie_form(){
	var f = document.getElementById('zamowienie_form');
	var dc = false;
	if( f.zamowienie_imie.value == '' ){
		alert ( LANG['ZAMOW_WPISZ_IMIE'] );
		f.zamowienie_imie.focus();
		return false;
	} else if( f.zamowienie_nazwisko.value == '' ){
		alert ( LANG['ZAMOW_WPISZ_NAZWISKO'] );
		f.zamowienie_nazwisko.focus();
		return false;
	} else if( f.zamowienie_email.value == '' ){
    alert ( LANG['ZAMOW_WPISZ_ADRES_EMAIL'] );
    f.zamowienie_email.focus();
		return false;
	} else if( check_email_address( f.zamowienie_email.value ) == false ){
		alert ( LANG['ZAMOW_NIEPOPRAWNY_EMAIL'] );
		f.zamowienie_email.focus();
		return false;
	} else if( f.zamowienie_od.value == '' ){
		alert ( LANG['ZAMOW_WPISZ_DATA_OD'] );
		f.zamowienie_od.focus();
		return false;
	} else if( f.zamowienie_do.value == '' ){
		alert ( LANG['ZAMOW_WPISZ_DATA_DO'] );
		f.zamowienie_do.focus();
		return false;
	} else if ( f.kontakt_captcha.value == '' ){
		alert( LANG['ZAMOW_WPISZ_CAPTCHA'] );
		f.kontakt_captcha.focus();
		return false;

	} else return true;
}

function check_dates( da, db ){
	if( da.length != 10 ) return false;
	if( db.length != 10 ) return false;
	var daa = convert_date( da );
	var dbb = convert_date( db );
	if( daa <= dbb ) return true;
	return false;
}

function convert_date( dat ){
	var d = dat.substr( 0, 2 );
	var m = dat.substr( 3, 2 );
	var y = dat.substr( 6, 4 );
	return y+m+d;
}

function clear_date( pole ){
	var f = document.getElementById('zamowienie_form');
 	f.elements[pole].value = '';
}

function set_date( pole ){
	var f = document.getElementById('zamowienie_form');
	var p = f.elements[pole];
	return p;
}

function check_form_polec( ){
	var f = document.getElementById('polec_form');
	if( f.friend_email.value == '' ){
		alert( LANG['POLEC_WPISZ_ADRES_EMAIL_ZNAJOMEGO'] );
		return false;
	} else if( check_email_address( f.friend_email.value ) == false ){
		alert( LANG['POLEC_NIEPOPRAWNY_EMAIL_ZNAJOMEGO'] );
		return false;
	} else if( f.your_name.value == '' ) {
		alert( LANG['POLEC_WPISZ_SWOJE_IMIE'] );
		return false;
	} else if ( f.your_email.value == '' ){
		alert( LANG['POLEC_WPISZ_TWOJ_ADRES_EMAIL'] );
		return false;
	} else if( check_email_address( f.your_email.value ) == false ) {
		alert( LANG['POLEC_NIEPOPRAWNY_TWOJ_EMAIL'] );
		return false;
	} else if ( f.polec_captcha.value == '' ){
		alert( LANG['POLEC_WPISZ_CAPTCHA'] );
		return false;

	} else return true;
}


function addfav(){
  if (document.all){
    window.external.AddFavorite(location.href, document.title);
  }
}

function check_newsletter( oper ){
	var f = document.getElementById('newsletter_form');
	if( f.email.value == '' || f.email.value == LANG['NEWSLETTER'] ){
		/*
		alert( LANG['NEWSLETTER_WPISZ_ADRES_EMAIL'] );
		f.email.focus();
		*/
		email_request( LANG['NEWSLETTER_WPISZ_ADRES_EMAIL'] );
		return false;
	} else if( check_email_address( f.email.value ) == false ) {
		/*
		alert( LANG['NEWSLETTER_NIEPOPRAWNY_EMAIL'] );
		f.email.focus();
		*/
		email_request( LANG['NEWSLETTER_NIEPOPRAWNY_EMAIL'] );
		return false;
	} else {
		f.operacja.value = oper;
		submit();
	}
}

function email_request( at ){
  var f = document.getElementById( 'newsletter_form' );
	f.email.value = at;
	f.email.style.color = 'red';
	setTimeout("clear_email_request()", 2000);
}

function clear_email_request(){
	var f = document.getElementById( 'newsletter_form' );
	f.email.value = '';
	f.email.style.color = '#0F5411';
	f.email.focus();
}

function check_wyszukiwarka( m ){
	with ( document.wyszukiwarka ){
	  var sz = szukaj.value;
	  var le = sz.length.valueOf();
	  var min = m.valueOf();
		if( sz == '' || sz == LANG['SZUKAJ'] ){
			alert( LANG['SZUKAJ_WPISZ_WYRAZENIE'] );
			szukaj.focus();
			return false;
		} else if( min > le ) {
			alert( LANG['SZUKAJ_WYRAZENIE_ZA_KROTKIE_1'] + min + LANG['SZUKAJ_WYRAZENIE_ZA_KROTKIE_2'] );
			szukaj.focus();
			return false;
		} else submit();
	}
}