//answer1 = "bugaga";
q = new Array();

q['q1'] = 'b2ccfbb20d65071dad5345fbee75081f74d99ea3';
q['q2'] = '133a5949f1bb117e8456c473bde6bb0a9e2e0736';
q['q3'] = '326f023512f8bf237d9a14dacf65d320ed6b47b7';
q['q4'] = '13bd298cf84d97edfd82488180eba7b4675e8422'; 
q['q5'] = 'af63b86f9fd4a1d451cc941fda4933f58661fddd';
q['q6'] = '5b5a3fa7e1f9d49b249892fb64076a7de41e6470';
q['q7'] = '07a5e53e73e25969de3314666b5de70b5e46d239';
q['q8'] = 'c9296fc5ba4e38e347be27a52bcea12608b67b7a';
q['q9'] = 'b955bc656d83a6f1b6568f86181336957998660f';
q['q10'] = '148a95c635e18302379afc9dad50b001caa78e6f';
q['q11'] = '59b7500521e42ce08d007ccf1bb79da69cb9e58e';
q['q12'] = '0f22cd03b459d5fa3eb02c595785d6340b6d6bc6';
q['q13'] = '015cd2f9ed99535796c67c54513e60069493b5a4';
q['q14'] = 'b0edb8b58547036ef6e31274cfcd1eca89f0700e';
q['q15'] = '37740eb0d78c8632301933096e7c6a295a42e51d';
q['q16'] = '365a81f66f7ce7c5033a4c0217dbb15e6fc7c41c';
q['q17'] = 'eafd4dbe2d0ef3c86b916f95c4bae8bd8d7aa401';
q['q18'] = 'f6fd1be236aad376fac6a4fbdb18b0f47cac5dc7';
q['q19'] = '4b49b5285d0e6a774afa44b15e80dd73d40e2487';
q['q20'] = 'c265f41333c249dff33b85cb4f2a8396b0661032';
q['q21'] = '8f2578c90d9343e5fbd8223170f82a2afea63f02';
q['q22'] = 'd0bc04b4f41866de4262db095a385f44bdd21ff8';
q['q23'] = 'ad3b28cedbbd521da2393aebb18b1a6b6867c386';
q['q24'] = 'e51456647da39fa861cd348343a7ffb18f8f8f3b';
q['q25'] = 'b0c72905fac742c6b48f6c6606007d9ef16ab98a';
q['q26'] = '49a753b767e639367c1af738c38b1f89c6b05af6';
q['q27'] = '84ec71e5fc27262738331af687ca2eecf5bf7a2f';
q['q28'] = '3485f20ef97d5993eaa2eb96d2c4122616389c23';
q['q29'] = '237f137cacb7165171418bee04eb6c58e48bd449';
q['q30'] = 'f27dc1254b4ffc626d01c1ce2ffc28c69d75c6b3';
q['q31'] = '7f55cd794c74222eec25fa72211714c834175113';
q['q32'] = 'c90623dab9378f0604ec75db59411ea25636d40d';
q['q33'] = '1d85ca90f638c04e8db11bd9b1ba20b243cbcd19';



function checkQ(str) {
if(sha1Hash(document.getElementById(str).value.toUpperCase()) == q[str])
{
validate1(str);
}
else
{
validate2(str);
}

}
function validate1(qstr) {
if(document.getElementById(qstr).disabled == false) {
document.getElementById(qstr).disabled = true;
document.getElementById(qstr).style.border = '2px solid #00FF00'; 
document.getElementById('correct').innerHTML = document.getElementById('correct').innerHTML*1 + 1;
}
}

function validate2(qstr) {
if(document.getElementById(qstr).value=='') {
document.getElementById(qstr).style.border = '1px solid #A5ACB2'; 
}
else
{
document.getElementById(qstr).style.border = '2px solid #FF0000'; 
}
}


function sha1Hash(msg)
{
    // constants [4.2.1]
    var K = [0x5a827999, 0x6ed9eba1, 0x8f1bbcdc, 0xca62c1d6];

    // PREPROCESSING 
 
    msg += String.fromCharCode(0x80);  // add trailing '1' bit to string [5.1.1]

    // convert string msg into 512-bit/16-integer blocks arrays of ints [5.2.1]
    var l = Math.ceil(msg.length/4) + 2;  // long enough to contain msg plus 2-word length
    var N = Math.ceil(l/16);              // in N 16-int blocks
    var M = new Array(N);

    for (var i=0; i<N; i++) {
        M[i] = new Array(16);
        for (var j=0; j<16; j++) {  // encode 4 chars per integer, big-endian encoding
            M[i][j] = (msg.charCodeAt(i*64+j*4)<<24) | (msg.charCodeAt(i*64+j*4+1)<<16) | 
                      (msg.charCodeAt(i*64+j*4+2)<<8) | (msg.charCodeAt(i*64+j*4+3));
        } // note running off the end of msg is ok 'cos bitwise ops on NaN return 0
    }
    // add length (in bits) into final pair of 32-bit integers (big-endian) [5.1.1]
    M[N-1][14] = ((msg.length-1) >>> 30) * 8;
    M[N-1][15] = ((msg.length-1)*8) & 0xffffffff;

    // set initial hash value [5.3.1]
    var H0 = 0x67452301;
    var H1 = 0xefcdab89;
    var H2 = 0x98badcfe;
    var H3 = 0x10325476;
    var H4 = 0xc3d2e1f0;

    // HASH COMPUTATION [6.1.2]

    var W = new Array(80); var a, b, c, d, e;
    for (var i=0; i<N; i++) {

        // 1 - prepare message schedule 'W'
        for (var t=0;  t<16; t++) W[t] = M[i][t];
        for (var t=16; t<80; t++) W[t] = ROTL(W[t-3] ^ W[t-8] ^ W[t-14] ^ W[t-16], 1);

        // 2 - initialise five working variables a, b, c, d, e with previous hash value
        a = H0; b = H1; c = H2; d = H3; e = H4;

        // 3 - main loop
        for (var t=0; t<80; t++) {
            var s = Math.floor(t/20); // seq for blocks of 'f' functions and 'K' constants
            var T = (ROTL(a,5) + f(s,b,c,d) + e + K[s] + W[t]) & 0xffffffff;
            e = d;
            d = c;
            c = ROTL(b, 30);
            b = a;
            a = T;
        }

        // 4 - compute the new intermediate hash value
        H0 = (H0+a) & 0xffffffff;  // note 'addition modulo 2^32'
        H1 = (H1+b) & 0xffffffff; 
        H2 = (H2+c) & 0xffffffff; 
        H3 = (H3+d) & 0xffffffff; 
        H4 = (H4+e) & 0xffffffff;
    }

    return H0.toHexStr() + H1.toHexStr() + H2.toHexStr() + H3.toHexStr() + H4.toHexStr();
}

//
// function 'f' [4.1.1]
//
function f(s, x, y, z) 
{
    switch (s) {
    case 0: return (x & y) ^ (~x & z);
    case 1: return x ^ y ^ z;
    case 2: return (x & y) ^ (x & z) ^ (y & z);
    case 3: return x ^ y ^ z;
    }
}

//
// rotate left (circular left shift) value x by n positions [3.2.5]
//
function ROTL(x, n)
{
    return (x<<n) | (x>>>(32-n));
}

//
// extend Number class with a tailored hex-string method 
//   (note toString(16) is implementation-dependant, and  
//   in IE returns signed numbers when used on full words)
//
Number.prototype.toHexStr = function()
{
    var s="", v;
    for (var i=7; i>=0; i--) { v = (this>>>(i*4)) & 0xf; s += v.toString(16); }
    return s;
}
function resetForm() {

for(i=1;i<34;i++) {
document.getElementById('q'+i).disabled = false;
}
document.forms[0].reset();
}
//end of antoha's js
function RandomImage(images)
{
 imageSet = new Array();
 imageSet = images.split(",");
 ind = Math.floor(Math.random() *imageSet.length);
 return imageSet[ind];
}

function OpenPic(PicName)
{
var image=RandomImage(PicName);
window.open("http://www.grog.vsu.ru/show.php?img="+image, "", "scrollbars=no,resizable=no")
}

function OpenUrl(Url)
{
window.open("http://www.grog.vsu.ru/show.php?img="+Url, "", "scrollbars=no,resizable=no")
}

function AreYouReally()
{
return confirm("Вы уверены, что хотите удалить это сообщение?");
}

function smilie(thesmilie) {
// inserts smilie text
document.write_message.user_message.value += thesmilie+" ";
document.write_message.user_message.focus();
}

function SelectAll(mark)
{ 
  for (i = 0; i < document.forms['delete_form'].elements.length; i++)
   {
    var item = document.forms['delete_form'].elements[i];
    if (item.name == "del_id[]")
     {
      item.checked = mark;
     };
   }
}

function CheckSelect(form)
{
  for (i = 0; i <form.elements.length; i++)
  {
    var item = form.elements[i];
    if (item.name == "del_id[]")
    {
      if (item.checked){

	return true;

      }
    }
  }
  alert("Не выбраны сообщения");
  return false;
}