$(document).ready(function() {

  //------------------------ MENU MAGIC BUTTON -------------------------

  var EM;
  
  $(window).on('resize', function() { // cover content
	EM = parseFloat($('body').css('font-size'));
    var sm = $(window).width() <= 38*EM;
    if (sm != window.smallScreen) {
      if (window.smallScreen = sm) {
		$('#wrapper').addClass('small-screen'); 
		$('#left-panel').removeClass('visible');
      } else {
		$('#wrapper').removeClass('small-screen');
		$('#left-panel').addClass('visible');
	  }
	}
  } );
  $(window).trigger('resize');
	
  $(window).on('scroll', function() { // fixed menu position
	var mf = $(window).scrollTop() >= 8.16*EM;
	if (mf != window.menuFixed) {
	  if (window.menuFixed = mf) {
	    $('#left-panel').addClass('menu-fix'); 
	  } else {
	    $('#left-panel').removeClass('menu-fix');
	  }
	}
  } );
  $(window).trigger('scroll');
  
  $('#content > p, p.just').each(function() {
	var dl = parseFloat($(this).css('line-height')) * 2;
	if ($(this).height() >= dl) $(this).css('text-indent', '1.5em');
  } );
  
  var closeMenu = function() { 
	window.menuMouseEnter = false;
    if (!window.smallScreen) return;
    $('#left-panel').removeClass('visible');
  };
  $('#left-panel').on('mouseleave', closeMenu);
  $('#left-panel').on('touchstart', function(event) { 
	event.stopPropagation(); 
  } );
  $(document).on('touchstart', closeMenu);
  
  $('#menu-btn').on('mouseenter', function() { 
	if (window.menuMouseEnter || !window.smallScreen) return;
    $('#left-panel').addClass('visible');
    window.lastEvent = (new Date().getTime()) + 100;
    window.menuMouseEnter = true;
  } );
  
  $('#menu-btn').on('click', function() {
	if ((new Date().getTime()) < window.lastEvent) return;
	if (!window.smallScreen) $('#wrapper').toggleClass('small-screen');
	$('#left-panel').toggleClass('visible');
  } );
  
  $('span.anchor').html(function() {
	var href = this.getAttribute('data-href') || '';
	var data = this.innerHTML;
	if (href.length == 0) { 
	  href = data; 
	  data = data.replace(/^(.+:\/\/)|(\/)$/g, '');
	}
    this.innerHTML = '<a href="' + href + 
      '" rel="nofollow" onclick="return oWin(this)">' + data + '</a>';
  });
  
  $('span.mailto').html(function() {
	var href = this.getAttribute('data-href') || '';
	var data = this.innerHTML;
	if (href.length == 0) { href = data; data = null; }
	href = href.match(/^(.+) małpa (.+) kropka (.+)$/);
	href = href[1] + '@' + href[2] + '.' + href[3];
    this.innerHTML = '<a href="mailto:' + href + '">' + (data || href) + '</a>';
  });
  
  //--------------------------------------------------------------------

  ( function(elmID) {

    var btns = $('.tgl-btn', elmID);
    var pnls = $('.tgl-pnl', elmID);

    btns.click(function() {
      var thisIndex = btns.index(this);
      var thisPnl = $(pnls.get(thisIndex));
      if (elmID == '#menu-content') {
        thisPnl.toggle("normal", function() { setTimeout(function() {
          $.cookie('visible_menu_index', getMenuPath($('#menu-tree')).join('-'), { path: '/' });
        }, 100); } );
        thisPnl.parent().siblings("li").children("ul").not(thisPnl).hide("normal");
      }
      else {
        thisPnl.toggle("normal");
        pnls.not(thisPnl).hide("normal");
      }
    } )
    .hover(
      function() { $(this).css('textDecoration', 'underline'); },
      function() { $(this).css('textDecoration', 'none'); }
    )
    .css('cursor', 'pointer');

    return arguments.callee;

  } )('#menu-content');

} );

  function oWin(o) {
    open(o.href, '', '');
    return false;
  }

  function getMenuPath(jqObj) {
    var index = -1, thisObj = null;
    jqObj.children('li').children('ul').each(function(i) {
      if ($(this).is(':visible')) {
        index = i;
        thisObj = $(this);
        return false;
      }
      return true;
    } );
    if (index < 0) return []; else
      return [index].concat(arguments.callee(thisObj));
  }

  function setMenuPath(jqObj, ar) {
    if (ar.length > 0 && ar[0].length > 0) {
      var index = parseInt(ar[0]);
      for (var i = 0; i < ar.length; i++) ar[i] = ar[i + 1];
      ar.length--;
      arguments.callee(jqObj.children('li').children('ul').eq(index).show(), ar);
    }
  }
  
  (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
  (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
  m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
  })(window,document,'script','https://www.google-analytics.com/analytics.js','ga');

  ga('create', 'UA-97855372-1', 'auto');
  ga('send', 'pageview');