// b = text.value.replace(/[(.*)]/, '');

var Ano = '<img src="/images/ano.gif">';
var Ne = '<img src="/images/ne.gif">';


// funkce ktera zpracuje http_request a urci misto zobrazeni vysledku

    function zpracuj_http_request (http_request, show_place2, wait) {
    var mistoZobrazeni = document.getElementById(show_place2);
        logins = 1;
        if (http_request.readyState == 4) {
            if (http_request.status == 200) {
            var retezec;

            retezec = http_request.responseText;

            if (retezec=="peane"){
              lol();
            }else if(retezec=="ne"){
            
               mistoZobrazeni.innerHTML = ' <p> Neexistující uživatel nebo chybné heslo! </p> ';
              logins=0;
            }else{

              mistoZobrazeni.innerHTML = retezec;

            }
            


            /*
            var reg_vyraz=<hej>[^<]+</hej>;
            var js_scripty=retezec.match(reg_vyraz);

          for(var i=0;js_scripty[i];i++) alert("["+i+"]: "+js_scripty[i]);*/


            } else {
              mistoZobrazeni.innerHTML = "Chyba při načítání.";
            }
        }else{
          if (wait == ""){
            mistoZobrazeni.innerHTML = "Načítám...";
          }else if (wait == "nic") {
            //mistoZobrazeni.innerHTML = "";
          } else if(wait == "img") {
            mistoZobrazeni.innerHTML = "<img src='/images/loading.gif'>";
          }else{
            mistoZobrazeni.innerHTML = wait;
          }
        }
    }

// samotna fce ajax()

    function ajax(script_name, show_place, wait, method, promene) {
        var http_request = false;
        if (window.XMLHttpRequest) {
            http_request = new XMLHttpRequest();
        } else if (window.ActiveXObject) {
            try {
              http_request = new ActiveXObject("Msxml2.XMLHTTP");
            } catch (eror) {
              http_request = new ActiveXObject("Microsoft.XMLHTTP");
            }
        }

        if (!http_request) {
            alert("Chyba.");
        }



        http_request.onreadystatechange = function() {
        zpracuj_http_request(http_request, show_place, wait);
        };



        if (method == "POST") {

        http_request.open('POST', script_name, true);
        http_request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
        http_request.send(promene);
        } else {

        http_request.open("GET", script_name, true);
        http_request.send(null);

        }


   }
   
   function Vycisti(co){
    document.getElementById(co).innerHTML = "";
   }


var conternt_text;
var conternt_id;
function PohybMysi(conternt_text,conternt_id) {
doc_id = document.getElementById(conternt_id);
  doc_id.innerHTML = conternt_text;
  doc_id.style.visibility = 'visible';
}

function hide_PohybMysi(conternt_id) {
  document.getElementById(conternt_id).style.visibility = 'hidden';
}



function Check_username(){

username = document.getElementById("username").value;

    if (username.length >= 3)
    {
     che = "/login.php?checkname=" + username;
     ajax(che, "ch_nick", Ne);
    }else{
     document.getElementById("ch_nick").innerHTML = Ne;
    }
}

function Check_heslo(){

  if (document.getElementById("heslo").value.length >= 5){
    document.getElementById("ch_heslo").innerHTML = Ano;
  }else{
    document.getElementById("ch_heslo").innerHTML = Ne;
  }
}


function Check_heslo2(){
  if(document.getElementById("heslo2").value==""){
      document.getElementById("ch_heslo2").innerHTML = Ne;
  }else{
    if( document.getElementById("heslo").value == document.getElementById("heslo2").value){
      document.getElementById("ch_heslo2").innerHTML = Ano;
    }else{
      document.getElementById("ch_heslo2").innerHTML = Ne;
    }
  }
}

function Check_mail(){
var reg_v_m=/^[_a-zA-Z0-9\.\-]+@[_a-zA-Z0-9\.\-]+\.[a-zA-Z]{2,4}$/;
  if(reg_v_m.test(document.getElementById("mail").value)){
    document.getElementById("ch_mail").innerHTML = Ano;
  }else{
    document.getElementById("ch_mail").innerHTML = Ne;
  }
}

function Check_cislo(){

  if(document.getElementById("cislo").value==""){
    document.getElementById("ch_cislo").innerHTML = Ano;
  }else{
    var reg_v_c=/^[0-9]{9}$/;
    if(reg_v_c.test(document.getElementById("cislo").value)){
      document.getElementById("ch_cislo").innerHTML = Ano;
    }else{
      document.getElementById("ch_cislo").innerHTML = Ne;
    }
  }
}


function Login(){
  w8pls = "Počkejte prosím, probíha přihlašování";
  script = "/login.php?aj=1";
  params = "name=" + document.getElementById("name").value + "&pass=" + hex_md5(document.getElementById("pass").value);
  ajax(script, "login_form_div", w8pls, "POST", params);
  
  Aktualizace();

  
}


function Posli(){

  if(document.getElementById("obrazek").value){
    document.forms.form.submit()
  }else{
    params = "text=" + document.getElementById("text").value+"&viditelnost=&link="+document.getElementById("link").value;
    ajax("/admin.php?send=1&aj=1", "zpravy", "nic", "POST", params);
  }
  document.getElementById("text").value="";
//  document.getElementById("green").style.left= "0px";
  document.getElementById("pocet").innerHTML= 160 ;
}

function Pismena(){



  text =  document.getElementById("text");
  

  if(text.value.length >= 160 ){
    text.value = text.value.substr(0,160);
  }


  document.getElementById("pocet").innerHTML= 160 - text.value.length;
  
  //document.getElementById("green").style.left= text.value.length*2.19 + "px";

}


function showlogin(){
  ajax ("/login.php", "login_form_div", "Načítám...");
}

function showlogin_out(){
  ajax ("/login.php?odhlasit", "login_form_div", "Načítám...");
  Aktualizace();
}


function kod(co){
  ajax ("/kod.php?i=" + co, "kod", "Načítám...");
}

function smazat(ide){

    zobraz_tip();
    ajax ("/admin.php?smazat=otazka&id="+ide, "message_tip", "img");
}

function nahled(co){
    zobraz_tip();
    ajax ("/nahled.php?img="+co, "message_tip", "img");
}

function smazat_ano(ide){
  skryj_tip();
  ajax("/admin.php?smazat=ok&id="+ide,"id"+ide, "img");
}


function skryj_tip() {
 document.getElementById("message_tip").style.display="none";
 document.getElementById("visible_tip").style.display="none";
}

function zobraz_tip() {
 document.getElementById("message_tip").style.display="block";
 document.getElementById("visible_tip").style.display="block";
}


function img_u() {
 document.images['img'].src=document.getElementById("img_url").value;
}



function img_url_upload(){
  ajax("/nastaveni.php?url="+document.getElementById("img_url").value,"temp", "img");
}

function Popis_change() {
  ajax("/nastaveni.php?popis="+document.getElementById("popis").value+"&popis_ok=ok","temp_p", "img");
}

function Popis_short_change() {
  ajax("/nastaveni.php?popis_short="+document.getElementById("popis_short").value+"&popis_short_ok=ok","temp_p", "img");
}
function email_change() {

  ajax("/nastaveni.php?email="+document.getElementById("email").value+"&email_ok=ok","temp_p", "img");
}

function email2_change() {

  ajax("/nastaveni.php?email2="+document.getElementById("email2").value+"&email_ok2=ok","temp_p", "img");
}

function Url_det() {
  ajax("/nastaveni.php?url_det="+document.getElementById("url_det").value+"&url_det_ok=ok","temp_u", "img");
}



function Limit(){
  var limit = document.getElementById("limit");
  ajax("/kod.php?jo=jo&limit="+limit.value,"vystup_js_textarea", "nic");
  
}


function Komentuj(clanek){
  text = document.getElementById("komentar").value;
  ajax("/vystup.php?komentar="+text+"&clanek="+clanek,"kom", "nic");
  Vycisti("komentar");
}


function Napis_k(){
  document.getElementById("kom").style.display="block";
}


function Aktualizace(){

    adresa = self.location.href;
    dilky = adresa.split("/");
    var d=dilky[3];
    
    
    if(d == ""){

       ajax("/uvod.php?refresh=ano","obsah_ak", "nic");

    }else if(d == "m-kod"){
       ajax("/uvod.php?refresh=ano","obsah_ak", "nic");
    }else if(d == "m-nastaveni"){
       ajax("/uvod.php?refresh=ano","obsah_ak", "nic");
    }else if(dilky[4] != ""){


      ajax("/vystup.php?nick="+d+"&sec="+dilky[4]+"&cekej=ano","obsah_ak", "nic");

    }
}

function Odkaz(){
    zobraz_tip();
    ajax ("/form.php?odkaz=ano", "message_tip", "img");
}

function Odkaz_add(){
  skryj_tip();
}


var i = 1;
function Add_Tag(co){


  if(i==6){
    for(c=1;c<6;c++){
      if(document.getElementById("tag"+c).value==""){
         document.getElementById("tag"+c).value=co;
      }
    }
  }else{
    document.getElementById("tag"+i).value=co;
    i++;
  }
  
  
}


var sem = 1;
function Podrobnosti_show(){

  if(sem){
   document.getElementById("podrobnosti").style.display="block";
   sem=0;
  }else{
   document.getElementById("podrobnosti").style.display="none";
   sem=1;
  }
}

function fav(id){
    ajax ("/admin.php?fav_id="+id, "fav_onload", "img");
}

function fav_del(id){
    ajax ("/admin.php?fav_id_del="+id, "fav_onload", "img");
}

function Smazat_Avatar(){
    ajax ("/nastaveni.php?smazat_avatat=1", "temp", "img");
}












var hexcase = 0;  /* hex output format. 0 - lowercase; 1 - uppercase        */
var b64pad  = ""; /* base-64 pad character. "=" for strict RFC compliance   */
var chrsz   = 8;  /* bits per input character. 8 - ASCII; 16 - Unicode      */


function hex_md5(s){ return binl2hex(core_md5(str2binl(s), s.length * chrsz));}


function core_md5(x, len)
{
  /* append padding */
  x[len >> 5] |= 0x80 << ((len) % 32);
  x[(((len + 64) >>> 9) << 4) + 14] = len;

  var a =  1732584193;
  var b = -271733879;
  var c = -1732584194;
  var d =  271733878;

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

    a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936);
    d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586);
    c = md5_ff(c, d, a, b, x[i+ 2], 17,  606105819);
    b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);
    a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);
    d = md5_ff(d, a, b, c, x[i+ 5], 12,  1200080426);
    c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);
    b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983);
    a = md5_ff(a, b, c, d, x[i+ 8], 7 ,  1770035416);
    d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417);
    c = md5_ff(c, d, a, b, x[i+10], 17, -42063);
    b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162);
    a = md5_ff(a, b, c, d, x[i+12], 7 ,  1804603682);
    d = md5_ff(d, a, b, c, x[i+13], 12, -40341101);
    c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290);
    b = md5_ff(b, c, d, a, x[i+15], 22,  1236535329);

    a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510);
    d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
    c = md5_gg(c, d, a, b, x[i+11], 14,  643717713);
    b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);
    a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);
    d = md5_gg(d, a, b, c, x[i+10], 9 ,  38016083);
    c = md5_gg(c, d, a, b, x[i+15], 14, -660478335);
    b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848);
    a = md5_gg(a, b, c, d, x[i+ 9], 5 ,  568446438);
    d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690);
    c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961);
    b = md5_gg(b, c, d, a, x[i+ 8], 20,  1163531501);
    a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);
    d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);
    c = md5_gg(c, d, a, b, x[i+ 7], 14,  1735328473);
    b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734);

    a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558);
    d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463);
    c = md5_hh(c, d, a, b, x[i+11], 16,  1839030562);
    b = md5_hh(b, c, d, a, x[i+14], 23, -35309556);
    a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
    d = md5_hh(d, a, b, c, x[i+ 4], 11,  1272893353);
    c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);
    b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640);
    a = md5_hh(a, b, c, d, x[i+13], 4 ,  681279174);
    d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222);
    c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979);
    b = md5_hh(b, c, d, a, x[i+ 6], 23,  76029189);
    a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);
    d = md5_hh(d, a, b, c, x[i+12], 11, -421815835);
    c = md5_hh(c, d, a, b, x[i+15], 16,  530742520);
    b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651);

    a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844);
    d = md5_ii(d, a, b, c, x[i+ 7], 10,  1126891415);
    c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905);
    b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055);
    a = md5_ii(a, b, c, d, x[i+12], 6 ,  1700485571);
    d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);
    c = md5_ii(c, d, a, b, x[i+10], 15, -1051523);
    b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799);
    a = md5_ii(a, b, c, d, x[i+ 8], 6 ,  1873313359);
    d = md5_ii(d, a, b, c, x[i+15], 10, -30611744);
    c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380);
    b = md5_ii(b, c, d, a, x[i+13], 21,  1309151649);
    a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);
    d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379);
    c = md5_ii(c, d, a, b, x[i+ 2], 15,  718787259);
    b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551);

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

}

/*
 * These functions implement the four basic operations the algorithm uses.
 */
function md5_cmn(q, a, b, x, s, t)
{
  return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b);
}
function md5_ff(a, b, c, d, x, s, t)
{
  return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
}
function md5_gg(a, b, c, d, x, s, t)
{
  return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
}
function md5_hh(a, b, c, d, x, s, t)
{
  return md5_cmn(b ^ c ^ d, a, b, x, s, t);
}
function md5_ii(a, b, c, d, x, s, t)
{
  return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
}

/*
 * Calculate the HMAC-MD5, of a key and some data
 */
function core_hmac_md5(key, data)
{
  var bkey = str2binl(key);
  if(bkey.length > 16) bkey = core_md5(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_md5(ipad.concat(str2binl(data)), 512 + data.length * chrsz);
  return core_md5(opad.concat(hash), 512 + 128);
}

/*
 * Add integers, wrapping at 2^32. This uses 16-bit operations internally
 * to work around bugs in some JS interpreters.
 */
function safe_add(x, y)
{
  var lsw = (x & 0xFFFF) + (y & 0xFFFF);
  var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
  return (msw << 16) | (lsw & 0xFFFF);
}

/*
 * Bitwise rotate a 32-bit number to the left.
 */
function bit_rol(num, cnt)
{
  return (num << cnt) | (num >>> (32 - cnt));
}

/*
 * Convert a string to an array of little-endian words
 * If chrsz is ASCII, characters >255 have their hi-byte silently ignored.
 */
function str2binl(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) << (i%32);
  return bin;
}

/*
 * Convert an array of little-endian words to a string
 */
function binl2str(bin)
{
  var str = "";
  var mask = (1 << chrsz) - 1;
  for(var i = 0; i < bin.length * 32; i += chrsz)
    str += String.fromCharCode((bin[i>>5] >>> (i % 32)) & mask);
  return str;
}

/*
 * Convert an array of little-endian words to a hex string.
 */
function binl2hex(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] >> ((i%4)*8+4)) & 0xF) +
           hex_tab.charAt((binarray[i>>2] >> ((i%4)*8  )) & 0xF);
  }
  return str;
}

/*
 * Convert an array of little-endian words to a base-64 string
 */
function binl2b64(binarray)
{
  var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
  var str = "";
  for(var i = 0; i < binarray.length * 4; i += 3)
  {
    var triplet = (((binarray[i   >> 2] >> 8 * ( i   %4)) & 0xFF) << 16)
                | (((binarray[i+1 >> 2] >> 8 * ((i+1)%4)) & 0xFF) << 8 )
                |  ((binarray[i+2 >> 2] >> 8 * ((i+2)%4)) & 0xFF);
    for(var j = 0; j < 4; j++)
    {
      if(i * 8 + j * 6 > binarray.length * 32) str += b64pad;
      else str += tab.charAt((triplet >> 6*(3-j)) & 0x3F);
    }
  }
  return str;
}