Event.observe(window, 'load', function() {
  if ($('heslo')) {
    $('heslo').disabled='';
  }
  initPopups();
  initFoto();
  initAjax('');
});

function initAjax(ancestor) {
  $$(ancestor + ' .ajax').each(
    function(e) {
      Event.observe(e, 'click', function(ev) {
        Event.stop(ev);
        new Ajax.Request('/rpc.php', {
          method: 'get',
          parameters: {
            a: e.id.toString().split('-')[0],
            strana: e.id.toString().split('-')[2]
          },
          onLoading: ajaxIndicator(e.id.toString().split('-')[0]),
         // onInteractive: ajaxIndicatorOff(box),
          onSuccess: function(transport) {
               if (transport.status == 200) {
                 $(e.id.toString().split('-')[0] + '-update').update(transport.responseText);
                 initAjax('.' + e.id.toString().split('-')[0]);
               }
          },
          onFailure: function() {
            alert("Nelze se připojit ke vzdálenému serveru.");
          }
        });

      });
    }
    );
}

function ajaxIndicator(id) {
  //return
  $(id + '-indicator').removeClassName('indicator');
  $(id + '-indicator').show;
}

function ajaxIndicatorOff(id) {
  return $(id + '-indicator').hide();
}

function initPopups() {
  $$('.popup').each(
    function(e) {
      Event.observe(e, 'click', function(ev) {
        Event.stop(ev);
        OpenMyWin(this.href,'popup');
      });
    }
    );
}

var myTWin = window.myTWin;

function popUp(link,winName,param)
{
  var retValue=true;
  param=param+',menu=yes,scrollbars=yes,resizable=yes';
  if (myTWin!=null && !myTWin.closed)
  {
    myTWin.focus();
    myTWin.location.href=link;
    myTWin.scrollbars.visible=true;
  }
  else
  {
    myTWin=window.open(link,winName,param);
    if (myTWin==null || typeof(myTWin)=="undefined")
      retValue=false;
    else
    {
      //link.target=winName;
      myTWin.focus();
    }
  }
  return retValue;
}


function OpenMyWin(link,winName)
{
  return popUp(link,winName,'left=20,top=20,width=800,height=600');
}

function initFoto()
{
  $$('.fun').each(
    function(e) {
      Event.observe(e, 'mouseover', function() {
        changeFoto( this )
      });
      Event.observe(e, 'mouseout', function() {
        changeFoto( this )
      });
    }
    );
}

function changeFoto( foto )
{
  var src=foto.src;
  var re1=/(.+)\/nahled\/(.+)/;
  var rel1=/(.+)\/fun\/(.+)/;
  var result=src.replace(re1,"$1/fun/$2");
  if ( src == result )
  {
    result=src.replace(rel1,"$1/nahled/$2");
  }
  foto.src = result;
  return true;
}

function posel(narod, jmeno, domena)
{
  var securitycode = new Array(109, 97, 105, 108, 116, 111, 58);
  var gfx = '';
  if ((narod!='') && (jmeno!='') && (domena!=''))
  {
    for(i=0;i<securitycode.length;i++) gfx+=String.fromCharCode(securitycode[i]);
    gfx+=(jmeno+String.fromCharCode(64)+domena+String.fromCharCode(46)+narod);
    document.location=gfx;
  }
}
	
function init(narod, jmeno, domena, text, titul)
{
  if ((narod!='') && (jmeno!='') && (domena!='') && (text!=''))
  {
    if (typeof(titul)=="undefined") titul=""; else titul='title:'+titul;
    document.write("<a href=\"javascript:posel('"+narod+"','"+jmeno+"','"+domena+"')\""+(titul.length>0?" ":"")+titul+">"+text+"</a>");
  }
}

function CheckLogon()
{
  if($('usrname').value.length > 2 && $('heslo').value.length > 5) {
    $('pass').value=hex_sha1(hex_sha1($('heslo').value)+$('id').value);
    $('heslo').value='';
    $('location').value=location.href;
    return true;
  } else {
    alert('Musíte zadat uživatelské jméno a heslo v požadovaném formátu.');
    $('pass').value='';
    $('heslo').value='';
    $('usrname').focus();
    return false;
  }
}

/*
 * Version 2.1 Copyright Paul Johnston 2000 - 2002.
 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
 * Distributed under the BSD License
 * See http://pajhome.org.uk/crypt/md5 for details.
 */

var hexcase = 0;
var b64pad  = "";
var chrsz   = 8;

function hex_sha1(s){
  return binb2hex(core_sha1(str2binb(s),s.length * chrsz));
}
function hex_hmac_sha1(key, data){ 
  return binb2hex(core_hmac_sha1(key, data));
}

function sha1_vm_test()
{
  return hex_sha1("abc") == "a9993e364706816aba3e25717850c26c9cd0d89d";
}

function core_sha1(x, len)
{
  x[len >> 5] |= 0x80 << (24 - len % 32);
  x[((len + 64 >> 9) << 4) + 15] = len;

  var w = Array(80);
  var a =  1732584193;
  var b = -271733879;
  var c = -1732584194;
  var d =  271733878;
  var e = -1009589776;

  for(var i = 0; i < x.length; i += 16)
  {
    var olda = a;
    var oldb = b;
    var oldc = c;
    var oldd = d;
    var olde = e;

    for(var j = 0; j < 80; j++)
    {
      if(j < 16) w[j] = x[i + j];
      else w[j] = rol(w[j-3] ^ w[j-8] ^ w[j-14] ^ w[j-16], 1);
      var t = safe_add(safe_add(rol(a, 5), sha1_ft(j, b, c, d)),
        safe_add(safe_add(e, w[j]), sha1_kt(j)));
      e = d;
      d = c;
      c = rol(b, 30);
      b = a;
      a = t;
    }

    a = safe_add(a, olda);
    b = safe_add(b, oldb);
    c = safe_add(c, oldc);
    d = safe_add(d, oldd);
    e = safe_add(e, olde);
  }
  return Array(a, b, c, d, e);
  
}

function sha1_ft(t, b, c, d)
{
  if(t < 20) return (b & c) | ((~b) & d);
  if(t < 40) return b ^ c ^ d;
  if(t < 60) return (b & c) | (b & d) | (c & d);
  return b ^ c ^ d;
}

function sha1_kt(t)
{
  return (t < 20) ?  1518500249 : (t < 40) ?  1859775393 :
  (t < 60) ? -1894007588 : -899497514;
}  

function core_hmac_sha1(key, data)
{
  var bkey = str2binb(key);
  if(bkey.length > 16) bkey = core_sha1(bkey, key.length * chrsz);

  var ipad = Array(16), opad = Array(16);
  for(var i = 0; i < 16; i++)
  {
    ipad[i] = bkey[i] ^ 0x36363636;
    opad[i] = bkey[i] ^ 0x5C5C5C5C;
  }

  var hash = core_sha1(ipad.concat(str2binb(data)), 512 + data.length * chrsz);
  return core_sha1(opad.concat(hash), 512 + 160);
}

function safe_add(x, y)
{
  var lsw = (x & 0xFFFF) + (y & 0xFFFF);
  var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
  return (msw << 16) | (lsw & 0xFFFF);
}

function rol(num, cnt)
{
  return (num << cnt) | (num >>> (32 - cnt));
}

function str2binb(str)
{
  var bin = Array();
  var mask = (1 << chrsz) - 1;
  for(var i = 0; i < str.length * chrsz; i += chrsz)
    bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (24 - i%32);
  return bin;
}

function binb2hex(binarray)
{
  var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
  var str = "";
  for(var i = 0; i < binarray.length * 4; i++)
  {
    str += hex_tab.charAt((binarray[i>>2] >> ((3 - i%4)*8+4)) & 0xF) +
    hex_tab.charAt((binarray[i>>2] >> ((3 - i%4)*8  )) & 0xF);
  }
  return str;
}
