///////////////////////////////////////////////////////////////////////
//                                                                   //
// JavaScript main liblary                                           //
//                                                                   //
// (c) 2001 WEB Corporation Polska                                   //
// (c) 2001 Spybooks                                                 //
//                                                                   //
// writen by: Krzysztof Polewiak                                     //
//            krzysztof@webcorp.pl                                   //
//                                                                   //
///////////////////////////////////////////////////////////////////////

browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);

isNN = false;
isIE = false;
isNN4 = false;
isIE4 = false;

if (browserName == "Netscape" && browserVer >= 3) {
	isNN = true;
	isNN4 = (document.layers)?true:false;
}

if (browserName == "Microsoft Internet Explorer" && browserVer >= 4) {
	isIE = true;
	isIE4 = (document.all)?true:false;
}

// spycode functions
function create_url() {
	return 'http' + '://' + 'www.spybooks.pl' + '/' + 'en';
}
function spygo(cat,id) {
	url_str=create_url()+'/'+cat+'.html';
	if (cat=='bibliografia'&&id)
		url_str=url_str+'?nazwisko='+id;
	else if (id)
		url_str=url_str+'?id='+id;
	window.location=url_str;
}
function spyfile(cat,id) {
	url_str = create_url()+'/file.html?cat='+cat+'&id='+id;
	file = window.open(url_str,'download','');
}

// menu nav
if (isIE || isNN) {
	mnu_archiwum_0 = new Image(); mnu_archiwum_0.src = "/img/en/mnu_archiwum.gif";
	mnu_archiwum_1 = new Image(); mnu_archiwum_1.src = "/img/en/mnu_archiwum-over.gif";
	mnu_autorzy_0 = new Image(); mnu_autorzy_0.src = "/img/en/mnu_autorzy.gif";
	mnu_autorzy_1 = new Image(); mnu_autorzy_1.src = "/img/en/mnu_autorzy-over.gif";
	mnu_bibliografia_0 = new Image(); mnu_bibliografia_0.src = "/img/en/mnu_bibliografia.gif";
	mnu_bibliografia_1 = new Image(); mnu_bibliografia_1.src = "/img/en/mnu_bibliografia-over.gif";
	mnu_czytelnia_0 = new Image(); mnu_czytelnia_0.src = "/img/en/mnu_czytelnia.gif";
	mnu_czytelnia_1 = new Image(); mnu_czytelnia_1.src = "/img/en/mnu_czytelnia-over.gif";
	mnu_forum_0 = new Image(); mnu_forum_0.src = "/img/en/mnu_forum.gif";
	mnu_forum_1 = new Image(); mnu_forum_1.src = "/img/en/mnu_forum-over.gif";
	mnu_indeksy_0 = new Image(); mnu_indeksy_0.src = "/img/en/mnu_indeksy.gif";
	mnu_indeksy_1 = new Image(); mnu_indeksy_1.src = "/img/en/mnu_indeksy-over.gif";
	mnu_koszyk_0 = new Image(); mnu_koszyk_0.src = "/img/en/mnu_koszyk.gif";
	mnu_koszyk_1 = new Image(); mnu_koszyk_1.src = "/img/en/mnu_koszyk-over.gif";
	mnu_ksiegarnia_0 = new Image(); mnu_ksiegarnia_0.src = "/img/en/mnu_ksiegarnia.gif";
	mnu_ksiegarnia_1 = new Image(); mnu_ksiegarnia_1.src = "/img/en/mnu_ksiegarnia-over.gif";
	mnu_recenzje_0 = new Image(); mnu_recenzje_0.src = "/img/en/mnu_recenzje.gif";
	mnu_recenzje_1 = new Image(); mnu_recenzje_1.src = "/img/en/mnu_recenzje-over.gif";

	lang_pl_0 = new Image(); lang_pl_0.src = "/img/lang/lang_pl_0.gif";
	lang_pl_1 = new Image(); lang_pl_1.src = "/img/lang/lang_pl_1.gif";
	lang_en_0 = new Image(); lang_en_0.src = "/img/lang/lang_en_0.gif";
	lang_en_1 = new Image(); lang_en_1.src = "/img/lang/lang_en_1.gif";

}

function img_off(imgName) {
	if ( isNN || isIE ) {
		imgOff = eval(imgName+'_0.src');
		document[imgName].src = imgOff;
	}
}
function img_on(imgName) {
	if ( isNN || isIE ) {
		imgOn = eval(imgName+'_1.src');
		document[imgName].src = imgOn;
	}
}