/*
 *  Menu na hlavni strance
 */

var menu_names;
var menu_out;
var menu_over;
var menu_sel;
var menu_foto;
var menu_pos;
var mouse_pos='';

var sub_pos=-1;

var kapely_foto;
var kapely_klice;

var menu_inited=0;

/* bool show */
function reklama_visibility(show)
{
	var w, bs;
	var xr;

	/* workaround pro MSIE; z-index nefunguje */
	if (show) {
		w = '468px';
		bs = 'solid';
	} else {
		w = '0';
		bs = 'none';
	}

	xr1 = document.getElementById('reklama1');
	if (xr1 != null) {
		xr1.style.width = w;
		xr1.style.borderStyle = bs;
	}

	xr2 = document.getElementById('reklama2');
	if (xr2 != null) {
		xr2.style.width = w;
		xr2.style.borderStyle = bs;
	}
}

function menu_init() {
	menu_names = new Array('1','2','3','4','5','6','7');
	menu_out = new Array();
	menu_over = new Array();
	menu_foto = new Array();
	kapely_foto = new Array();
	kapely_klice = new Array(
		'abu_jafar',
		'arakain',
		'bluestone',
		'dagmar_zazvurkova',
		'egotrip',
		'empire',
		'erion',
		'hewer',
		'lesek_semelka',
		'liguere',
		'manfred_manns_earthband',
		'mewa',
		'michacky_betonu',
		'michael_foret',
		/*'navigators',*/
		'noid',
		'on_air',
		'oskar_petr',
		'o5_a_radecek',
		'post_it',
		'prowizorium',
		'queen_mania',
		'smokie_revival_praha',
		'strain_glam',
		'the_exploited',
		'tonny_blues_band',
		'walda_gang',
		'yardbirds',
		'zlaty_voci');

	/* Hned pri vstupu do stranky nacti vsechny obrazky */
	
	for(var i=0; i<menu_names.length; i++) {
		var tmp = menu_names[i];
		menu_out[tmp] = new Image;
		menu_out[tmp].src = "images/m_entry/p" + tmp + "n.gif";
		
		menu_over[tmp] = new Image;
		menu_over[tmp].src = "images/m_entry/p" + tmp + "h.gif";
		
		menu_foto[tmp] = new Image;
		menu_foto[tmp].src = "images/m_round/foto" + tmp + ".gif";
	}
	for (var i=0; i<kapely_klice.length; i++) {
		kapely_foto[i] = new Image;
		kapely_foto[i].src = "images/kapely/" + kapely_klice[i] + ".gif";
	}

	menu_inited=1;
}

/* Vraci odkaz na prislusny obrazek */

function mimg(which) {
	return document.getElementById('p'+which);
}

function mimg_out(which) {
	if(mouse_pos == which)
		mouse_pos = '';

	if(menu_inited != 1)
		return;

	mimg(which).src = menu_out[which].src;  
}

function mimg_over(which)
{
	mouse_pos = which;

	if(!menu_inited)
		return;

	mimg(which).src = menu_over[which].src;

	document['foto'].src = menu_foto[which].src;
  
/*	var xsnd;
	xsnd = document.getElementById('over_sound');
	xsnd.play();*/
}

function mimg_disp(which)
{
	if(which==mouse_pos) mimg_over(which);
		else mimg_out(which);
}

/*
 * Odkazy na texty o jednotlivych kapelach
 */

/*
 * Vytvori klikaci text, ktery vybira dalsi info
 * o kapele.
 *
 *	int key		cislo podstranky
 *	string caption	nadpis
 */
function subinfo_ref (key, caption)
{
	return '<a href="#" class="subref" '+
		'onclick="sub_select(\''+key+'\'); return false;" '+
		'onmouseover="sub_over(\''+key+'\');" '+
		'onmouseout="sub_out(\''+key+'\');">'+
		caption+
		'</a>';
}

function sub_select_lit(text_key)
{
	window.open ('kapely/'+text_key+'.html', "kapela_okno",
		"width=450,height=500,menubar=no,location=no,scrollbars=yes,resizable=yes");
	return true;
}

/*
 * Vybere podstranku s danym klicem
 */
function sub_over (idx)
{
	var xts;

	sub_pos = idx;

	document['foto'].src = kapely_foto[idx].src;

	xts = document.getElementById ('text_podsekce');

	xts.innerHTML = '<br class="na_diakritiku" />'
		+ kapely_texty[idx];
}

/*
 * Vybere podstranku s danym klicem
 */
function sub_out (idx)
{
	var xts;

	if (sub_pos == idx) {
		sub_pos = -1;

		xts = document.getElementById ('text_podsekce');
		xts.innerHTML = '';
	}
	document['foto'].src = menu_foto[4].src;
}


/*
 * Vybere podstranku s danym klicem
 */
function sub_select (idx)
{
	window.open ('kapely/'+kapely_klice[idx]+'.html', "kapela_okno",
		"width=450,height=500,menubar=no,location=no,scrollbars=yes,resizable=yes");
	return true;
}

/*
 * Vytvori a vrati odkazy na podstranky oddelene <br />
 *
 *	refs : array of (key, caption)
 */

function subinfo_refs (refs)
{
	var res;

	res = '';
	for (var i=0; i<refs.length; i++) {
		if (i > 0) res = res + ' &nbsp;&bull;&nbsp; ';
		res = res + subinfo_ref (i, refs[i]);
	}
	return res;
}

function mvyber(klic)
{
	var xts;

	/* zobraz reklamu vsude krome oddilu 'Kapely' */
	reklama_visibility(klic != '4');

	/* zobraz text oddilu */
	xts = document.getElementById('text_stranky');
	xts.innerHTML = s_text[klic];

	return true;
}

/*
 * Otevre okno s novinkou
 */
function news_open(key)
{
	window.open ('novinky/'+key+'.html', "novinky_okno",
		"width=450,height=500,menubar=no,location=no,scrollbars=yes,resizable=yes");
	return true;
}

function subsection_window_open(url)
{
	window.open (url, "str_okno",
		"width=450,height=500,menubar=no,location=no,scrollbars=yes,resizable=yes");
	return true;
}