// ##########################################################################################################
// ###########                                 E-shop functions                                    ##########
// ##########################################################################################################

function show(id) {
    if (document.getElementById(id).style.display=="none") {
        document.getElementById(id).style.display='';
    } else {
        document.getElementById(id).style.display="none";
    }
}

function getElementByIdCompatible (the_id) {
    if (typeof the_id != 'string') {
        return the_id;
    }

    if (typeof document.getElementById != 'undefined') {
        return document.getElementById(the_id);
    } else if (typeof document.all != 'undefined') {
        return document.all[the_id];
    } else if (typeof document.layers != 'undefined') {
        return document.layers[the_id];
    } else {
        return null;
    }
}

function fncFillSelectBySelect(objIn,objOut,arrValues) {
    vybrhod=objIn.value;
    
    vybrpole=arrValues[vybrhod];

    for (x = 0; x <= objOut.options.length; x++ ) {
        objOut.options[x] = null;
    }

    x=0;

    for (hodnoty in vybrpole) {
        objOut.options[x] = new Option(vybrpole[hodnoty]);
        objOut.options[x].value = hodnoty;
        x++;
    }
    objOut.options[0].selected = true;
}

function reg_decode(strCode) {
    var tmp;
    tmp="";
    for (x=101;x<=999;x+=1) {
      if (hex_md5(x.toString())==strCode) {
         tmp=x.toString();
      }
    }
    return(tmp);
}

function RegFormControl(obj) {
      var chyby;
      var backval;

      backval=true;
      if (obj.fo_username.value.length<1) {
          obj.fo_username.style.backgroundColor='#FFAAAA';
          backval=false;
      }
      if (obj.fo_password1.value!=obj.fo_password2.value) {
          obj.fo_password1.style.backgroundColor='#FFAAAA';
          obj.fo_password2.style.backgroundColor='#FFAAAA';
          backval=false;
      }
      /*
      */
      if (obj.fo_password1.value.length<4) {
          obj.fo_password1.style.backgroundColor='#FFAAAA';
          backval=false;
      }
      if (obj.fo_password2.value.length<4) {
          obj.fo_password2.style.backgroundColor='#FFAAAA';
          backval=false;
      }
      if (obj.fo_lastname.value.length<3) {
          obj.fo_lastname.style.backgroundColor='#FFAAAA';
          backval=false;
      }
      if (obj.fo_firstname.value.length<3) {
          obj.fo_firstname.style.backgroundColor='#FFAAAA';
          backval=false;
      }
      if (obj.fo_street.value.length<3) {
          obj.fo_street.style.backgroundColor='#FFAAAA';
          backval=false;
      }
      if (obj.fo_city.value.length<2) {
          obj.fo_city.style.backgroundColor='#FFAAAA';
          backval=false;
      }
      if (obj.fo_postcode.value.length<1) {
          obj.fo_postcode.style.backgroundColor='#FFAAAA';
          backval=false;
      }
      if (obj.fo_email.value.length<3) {
          obj.fo_email.style.backgroundColor='#FFAAAA';
          backval=false;
      }
      if (obj.fo_phone.value.length<9) {
          obj.fo_phone.style.backgroundColor='#FFAAAA';
          backval=false;
      }
      if (obj.fo_rcode.value.length!=3) {
          obj.fo_rcode.style.backgroundColor='#FFAAAA';
          backval=false;
      }
    return backval;
}

function control_chars(objText,intPocet) {
    return (intPocet-objText.value.length);
}

function make_image(str2Code) {
    strVysl=reg_decode(str2Code);
    strVystup = '';
    strVystup = strVystup + '<img src="_imagenr.php?text=' + strVysl + '" style="border: 0px; width: 60px; height: 16px">';
    return(strVystup);
}

function RunCom(prikaz) {
    var objSel=document.selection.createRange();
    if (objSel.text!="") {
        if (prikaz=='h1') {
            objSel.pasteHTML('<div class="text_heading">' + objSel.text + '</div>');
        } else if (prikaz=='b') {
            objSel.execCommand('Bold');
        } else if (prikaz=='i') {
            objSel.execCommand('Italic');
        } else if (prikaz=='u') {
            objSel.execCommand('Underline');
        } else if (prikaz=='left') {
            objSel.execCommand('JustifyLeft');
        } else if (prikaz=='center') {
            objSel.execCommand('JustifyCenter');
        } else if (prikaz=='right') {
            objSel.execCommand('JustifyRight');
        } else if (prikaz=='full') {
            objSel.execCommand('JustifyFull');
        } else if (prikaz=='>') {
            objSel.execCommand('Indent');
        } else if (prikaz=='<') {
            objSel.execCommand('Outdent');
        } else if (prikaz=='1') {
            objSel.execCommand('InsertOrderedList');
        } else if (prikaz=='.') {
            objSel.execCommand('InsertUnorderedList');
        } else if (prikaz=='link') {
            objSel.pasteHTML('<a href="' + prompt("Zadejte adresu na kterou se bude odkaz odkazovat.","") + '">' + objSel.text + '</a>');
        } else if (prikaz=='unlink') {
            objSel.execCommand('Unlink');
        }
    } else {
        if (prikaz=='source') {
            alert(XEditedWindow.innerHTML);
        } else if (prikaz=='-') {
            s = XEditedWindow.innerHTML;
            s = s.replace(/<\/p>/gi, "XXXPARENDXXXXXXPARENDXXX"); // delete all empty paragraph tags
            s = s.replace(/<\/h1>/gi, "XXXPARENDXXX"); // delete all empty paragraph tags
            s = s.replace(/<\/h2>/gi, "XXXPARENDXXX"); // delete all empty paragraph tags
            s = s.replace(/<\/h3>/gi, "XXXPARENDXXX"); // delete all empty paragraph tags
            s = s.replace(/<br.*?>/gi, "XXXPARENDXXX"); // delete all empty paragraph tags
            s = s.replace(/<\/li>/gi, "XXXPARENDXXX"); // delete all empty paragraph tags
            s = s.replace(/<\/ul>/gi, "XXXPARENDXXX"); // delete all empty paragraph tags
            s = s.replace(/<\/ol>/gi, "XXXPARENDXXX"); // delete all empty paragraph tags
            s = s.replace(/<\/span>/gi, "XXXPARENDXXX"); // delete all empty paragraph tags
            s = s.replace(/<\/div>/gi, "XXXPARENDXXX"); // delete all empty paragraph tags
            s = s.replace(/<\/td>/gi, "XXXPARENDXXX"); // delete all empty paragraph tags
            s = s.replace(/<\/tr>/gi, "XXXPARENDXXX"); // delete all empty paragraph tags
            s = s.replace(/<\/table>/gi, "XXXPARENDXXX"); // delete all empty paragraph tags
            s = s.replace(/<.*?>/g, "");
            s = s.replace(/XXXPARENDXXX/g, "<BR>");
            XEditedWindow.innerHTML = s;
        } else {
            alert("Selection blank !!!");
        }
    }
}


// ##########################################################################################################
// ###########                                  MD5 functions                                      ##########
// ##########################################################################################################

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 b64_md5(s){ return binl2b64(core_md5(str2binl(s), s.length * chrsz));}
function str_md5(s){ return binl2str(core_md5(str2binl(s), s.length * chrsz));}
function hex_hmac_md5(key, data) { return binl2hex(core_hmac_md5(key, data)); }
function b64_hmac_md5(key, data) { return binl2b64(core_hmac_md5(key, data)); }
function str_hmac_md5(key, data) { return binl2str(core_hmac_md5(key, data)); }

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);
  
}

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);
}

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);
}

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

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;
}

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;
}

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;
}

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;
}
// ##########################################################################################################
// ##########################################################################################################