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  1. var md5 = function(string) {
  2. function RotateLeft(lValue, iShiftBits) {
  3. return (lValue << iShiftBits) | (lValue >>> (32 - iShiftBits));
  4. }
  5. function AddUnsigned(lX, lY) {
  6. var lX4, lY4, lX8, lY8, lResult;
  7. lX8 = (lX & 0x80000000);
  8. lY8 = (lY & 0x80000000);
  9. lX4 = (lX & 0x40000000);
  10. lY4 = (lY & 0x40000000);
  11. lResult = (lX & 0x3FFFFFFF) + (lY & 0x3FFFFFFF);
  12. if (lX4 & lY4) {
  13. return (lResult ^ 0x80000000 ^ lX8 ^ lY8);
  14. }
  15. if (lX4 | lY4) {
  16. if (lResult & 0x40000000) {
  17. return (lResult ^ 0xC0000000 ^ lX8 ^ lY8);
  18. } else {
  19. return (lResult ^ 0x40000000 ^ lX8 ^ lY8);
  20. }
  21. } else {
  22. return (lResult ^ lX8 ^ lY8);
  23. }
  24. }
  25. function F(x, y, z) {
  26. return (x & y) | ((~x) & z);
  27. }
  28. function G(x, y, z) {
  29. return (x & z) | (y & (~z));
  30. }
  31. function H(x, y, z) {
  32. return (x ^ y ^ z);
  33. }
  34. function I(x, y, z) {
  35. return (y ^ (x | (~z)));
  36. }
  37. function FF(a, b, c, d, x, s, ac) {
  38. a = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b, c, d), x), ac));
  39. return AddUnsigned(RotateLeft(a, s), b);
  40. }
  41. ;function GG(a, b, c, d, x, s, ac) {
  42. a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b, c, d), x), ac));
  43. return AddUnsigned(RotateLeft(a, s), b);
  44. }
  45. ;function HH(a, b, c, d, x, s, ac) {
  46. a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b, c, d), x), ac));
  47. return AddUnsigned(RotateLeft(a, s), b);
  48. }
  49. ;function II(a, b, c, d, x, s, ac) {
  50. a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b, c, d), x), ac));
  51. return AddUnsigned(RotateLeft(a, s), b);
  52. }
  53. ;function ConvertToWordArray(string) {
  54. var lWordCount;
  55. var lMessageLength = string.length;
  56. var lNumberOfWords_temp1 = lMessageLength + 8;
  57. var lNumberOfWords_temp2 = (lNumberOfWords_temp1 - (lNumberOfWords_temp1 % 64)) / 64;
  58. var lNumberOfWords = (lNumberOfWords_temp2 + 1) * 16;
  59. var lWordArray = Array(lNumberOfWords - 1);
  60. var lBytePosition = 0;
  61. var lByteCount = 0;
  62. while (lByteCount < lMessageLength) {
  63. lWordCount = (lByteCount - (lByteCount % 4)) / 4;
  64. lBytePosition = (lByteCount % 4) * 8;
  65. lWordArray[lWordCount] = (lWordArray[lWordCount] | (string.charCodeAt(lByteCount) << lBytePosition));
  66. lByteCount++;
  67. }
  68. lWordCount = (lByteCount - (lByteCount % 4)) / 4;
  69. lBytePosition = (lByteCount % 4) * 8;
  70. lWordArray[lWordCount] = lWordArray[lWordCount] | (0x80 << lBytePosition);
  71. lWordArray[lNumberOfWords - 2] = lMessageLength << 3;
  72. lWordArray[lNumberOfWords - 1] = lMessageLength >>> 29;
  73. return lWordArray;
  74. }
  75. ;function WordToHex(lValue) {
  76. var WordToHexValue = "", WordToHexValue_temp = "", lByte, lCount;
  77. for (lCount = 0; lCount <= 3; lCount++) {
  78. lByte = (lValue >>> (lCount * 8)) & 255;
  79. WordToHexValue_temp = "0" + lByte.toString(16);
  80. WordToHexValue = WordToHexValue + WordToHexValue_temp.substr(WordToHexValue_temp.length - 2, 2);
  81. }
  82. return WordToHexValue;
  83. }
  84. ;function Utf8Encode(string) {
  85. string = string.replace(/\r\n/g, "\n");
  86. var utftext = "";
  87. for (var n = 0; n < string.length; n++) {
  88. var c = string.charCodeAt(n);
  89. if (c < 128) {
  90. utftext += String.fromCharCode(c);
  91. } else if ((c > 127) && (c < 2048)) {
  92. utftext += String.fromCharCode((c >> 6) | 192);
  93. utftext += String.fromCharCode((c & 63) | 128);
  94. } else {
  95. utftext += String.fromCharCode((c >> 12) | 224);
  96. utftext += String.fromCharCode(((c >> 6) & 63) | 128);
  97. utftext += String.fromCharCode((c & 63) | 128);
  98. }
  99. }
  100. return utftext;
  101. }
  102. ;var x = Array();
  103. var k, AA, BB, CC, DD, a, b, c, d;
  104. var S11 = 7
  105. , S12 = 12
  106. , S13 = 17
  107. , S14 = 22;
  108. var S21 = 5
  109. , S22 = 9
  110. , S23 = 14
  111. , S24 = 20;
  112. var S31 = 4
  113. , S32 = 11
  114. , S33 = 16
  115. , S34 = 23;
  116. var S41 = 6
  117. , S42 = 10
  118. , S43 = 15
  119. , S44 = 21;
  120. string = Utf8Encode(string);
  121. x = ConvertToWordArray(string);
  122. a = 0x67452301;
  123. b = 0xEFCDAB89;
  124. c = 0x98BADCFE;
  125. d = 0x10325476;
  126. for (k = 0; k < x.length; k += 16) {
  127. AA = a;
  128. BB = b;
  129. CC = c;
  130. DD = d;
  131. a = FF(a, b, c, d, x[k + 0], S11, 0xD76AA478);
  132. d = FF(d, a, b, c, x[k + 1], S12, 0xE8C7B756);
  133. c = FF(c, d, a, b, x[k + 2], S13, 0x242070DB);
  134. b = FF(b, c, d, a, x[k + 3], S14, 0xC1BDCEEE);
  135. a = FF(a, b, c, d, x[k + 4], S11, 0xF57C0FAF);
  136. d = FF(d, a, b, c, x[k + 5], S12, 0x4787C62A);
  137. c = FF(c, d, a, b, x[k + 6], S13, 0xA8304613);
  138. b = FF(b, c, d, a, x[k + 7], S14, 0xFD469501);
  139. a = FF(a, b, c, d, x[k + 8], S11, 0x698098D8);
  140. d = FF(d, a, b, c, x[k + 9], S12, 0x8B44F7AF);
  141. c = FF(c, d, a, b, x[k + 10], S13, 0xFFFF5BB1);
  142. b = FF(b, c, d, a, x[k + 11], S14, 0x895CD7BE);
  143. a = FF(a, b, c, d, x[k + 12], S11, 0x6B901122);
  144. d = FF(d, a, b, c, x[k + 13], S12, 0xFD987193);
  145. c = FF(c, d, a, b, x[k + 14], S13, 0xA679438E);
  146. b = FF(b, c, d, a, x[k + 15], S14, 0x49B40821);
  147. a = GG(a, b, c, d, x[k + 1], S21, 0xF61E2562);
  148. d = GG(d, a, b, c, x[k + 6], S22, 0xC040B340);
  149. c = GG(c, d, a, b, x[k + 11], S23, 0x265E5A51);
  150. b = GG(b, c, d, a, x[k + 0], S24, 0xE9B6C7AA);
  151. a = GG(a, b, c, d, x[k + 5], S21, 0xD62F105D);
  152. d = GG(d, a, b, c, x[k + 10], S22, 0x2441453);
  153. c = GG(c, d, a, b, x[k + 15], S23, 0xD8A1E681);
  154. b = GG(b, c, d, a, x[k + 4], S24, 0xE7D3FBC8);
  155. a = GG(a, b, c, d, x[k + 9], S21, 0x21E1CDE6);
  156. d = GG(d, a, b, c, x[k + 14], S22, 0xC33707D6);
  157. c = GG(c, d, a, b, x[k + 3], S23, 0xF4D50D87);
  158. b = GG(b, c, d, a, x[k + 8], S24, 0x455A14ED);
  159. a = GG(a, b, c, d, x[k + 13], S21, 0xA9E3E905);
  160. d = GG(d, a, b, c, x[k + 2], S22, 0xFCEFA3F8);
  161. c = GG(c, d, a, b, x[k + 7], S23, 0x676F02D9);
  162. b = GG(b, c, d, a, x[k + 12], S24, 0x8D2A4C8A);
  163. a = HH(a, b, c, d, x[k + 5], S31, 0xFFFA3942);
  164. d = HH(d, a, b, c, x[k + 8], S32, 0x8771F681);
  165. c = HH(c, d, a, b, x[k + 11], S33, 0x6D9D6122);
  166. b = HH(b, c, d, a, x[k + 14], S34, 0xFDE5380C);
  167. a = HH(a, b, c, d, x[k + 1], S31, 0xA4BEEA44);
  168. d = HH(d, a, b, c, x[k + 4], S32, 0x4BDECFA9);
  169. c = HH(c, d, a, b, x[k + 7], S33, 0xF6BB4B60);
  170. b = HH(b, c, d, a, x[k + 10], S34, 0xBEBFBC70);
  171. a = HH(a, b, c, d, x[k + 13], S31, 0x289B7EC6);
  172. d = HH(d, a, b, c, x[k + 0], S32, 0xEAA127FA);
  173. c = HH(c, d, a, b, x[k + 3], S33, 0xD4EF3085);
  174. b = HH(b, c, d, a, x[k + 6], S34, 0x4881D05);
  175. a = HH(a, b, c, d, x[k + 9], S31, 0xD9D4D039);
  176. d = HH(d, a, b, c, x[k + 12], S32, 0xE6DB99E5);
  177. c = HH(c, d, a, b, x[k + 15], S33, 0x1FA27CF8);
  178. b = HH(b, c, d, a, x[k + 2], S34, 0xC4AC5665);
  179. a = II(a, b, c, d, x[k + 0], S41, 0xF4292244);
  180. d = II(d, a, b, c, x[k + 7], S42, 0x432AFF97);
  181. c = II(c, d, a, b, x[k + 14], S43, 0xAB9423A7);
  182. b = II(b, c, d, a, x[k + 5], S44, 0xFC93A039);
  183. a = II(a, b, c, d, x[k + 12], S41, 0x655B59C3);
  184. d = II(d, a, b, c, x[k + 3], S42, 0x8F0CCC92);
  185. c = II(c, d, a, b, x[k + 10], S43, 0xFFEFF47D);
  186. b = II(b, c, d, a, x[k + 1], S44, 0x85845DD1);
  187. a = II(a, b, c, d, x[k + 8], S41, 0x6FA87E4F);
  188. d = II(d, a, b, c, x[k + 15], S42, 0xFE2CE6E0);
  189. c = II(c, d, a, b, x[k + 6], S43, 0xA3014314);
  190. b = II(b, c, d, a, x[k + 13], S44, 0x4E0811A1);
  191. a = II(a, b, c, d, x[k + 4], S41, 0xF7537E82);
  192. d = II(d, a, b, c, x[k + 11], S42, 0xBD3AF235);
  193. c = II(c, d, a, b, x[k + 2], S43, 0x2AD7D2BB);
  194. b = II(b, c, d, a, x[k + 9], S44, 0xEB86D391);
  195. a = AddUnsigned(a, AA);
  196. b = AddUnsigned(b, BB);
  197. c = AddUnsigned(c, CC);
  198. d = AddUnsigned(d, DD);
  199. }
  200. var temp = WordToHex(a) + WordToHex(b) + WordToHex(c) + WordToHex(d);
  201. return temp.toLowerCase();
  202. };
  203. function clearText(field, focus) {
  204. if (field.defaultValue == field.value)
  205. field.value = '';
  206. else if (field.value == '')
  207. field.value = field.defaultValue;
  208. if (!focus && field.defaultValue == field.value)
  209. field.className = 'text default';
  210. else
  211. field.className = 'text';
  212. }
  213. if (!String.prototype.trim) {
  214. String.prototype.trim = function() {
  215. return this.replace(/^\s+|\s+$/g, '');
  216. }
  217. ;
  218. }
  219. function setClass(a, cls) {
  220. id = 'q' + a.substr(1);
  221. var e = document.getElementById(id);
  222. if (e)
  223. e.className = cls;
  224. }
  225. function checkHash(hash, answer) {
  226. return hash.includes(md5(answer.trim().toLowerCase())) ? 1 : 0
  227. }
  228. function checkRadio(a) {
  229. var r = form[a];
  230. var ok = 0
  231. , count = 0;
  232. for (var i = 0; i < r.length; i++) {
  233. if (r[i].checked)
  234. count++;
  235. if (r[i].checked && r[i].value == 1) {
  236. ok = 1;
  237. break;
  238. }
  239. }
  240. if (count == 0) {
  241. setClass(a, 'q noans');
  242. return -1;
  243. }
  244. setClass(a, 'q');
  245. return ok;
  246. }
  247. function checkCheckBox(a) {
  248. var c = form[a];
  249. var ok = 1
  250. , count = 0;
  251. for (var i = 0; i < c.length; i++) {
  252. if (c[i].checked)
  253. count++;
  254. if (c[i].checked != c[i].value)
  255. ok = 0;
  256. }
  257. if (count == 0) {
  258. setClass(a, 'q noans');
  259. return -1;
  260. }
  261. setClass(a, 'q');
  262. return ok;
  263. }
  264. function checkText(a) {
  265. if (form[a].defaultValue == form[a].value) {
  266. setClass(a, 'q noans');
  267. return -1;
  268. }
  269. setClass(a, 'q');
  270. return checkHash(form[a + "_"].value, form[a].value)
  271. }
  272. function checkInt(a) {
  273. res = checkText(a);
  274. if (res >= 0) {
  275. var s = form[a].value.trim();
  276. if (parseInt(s) != s) {
  277. alert('Не удаётся раскодировать целое число "' + s + '".');
  278. setClass(a, 'q noans');
  279. res = -1;
  280. }
  281. }
  282. return res;
  283. }
  284. function checkPairs(a) {
  285. var info = form[a];
  286. var count = info.value;
  287. var ok = 1;
  288. for (var i = 0; i < count; i++) {
  289. s = form[a + "_" + (i + 1)];
  290. if (s.options[0].selected) {
  291. setClass(a, 'q noans');
  292. return -1;
  293. }
  294. for (var j = 1; j < s.options.length; j++) {
  295. if (s.options[j].selected != s.options[j].value) {
  296. ok = 0;
  297. break;
  298. }
  299. }
  300. }
  301. setClass(a, 'q');
  302. return ok;
  303. }
  304. var getPageScroll = (window.pageXOffset != undefined) ? function() {
  305. return {
  306. left: pageXOffset,
  307. top: pageYOffset
  308. };
  309. }
  310. : function() {
  311. var html = document.documentElement;
  312. var body = document.body;
  313. var top = html.scrollTop || body && body.scrollTop || 0;
  314. top -= html.clientTop;
  315. var left = html.scrollLeft || body && body.scrollLeft || 0;
  316. left -= html.clientLeft;
  317. return {
  318. top: top,
  319. left: left
  320. };
  321. }
  322. ;
  323. var qOK, qTotal;
  324. function checkAnswers(form) {
  325. var code = form.code.value;
  326. var a, res, noans = 0;
  327. var errans = [];
  328. qCount = code.length;
  329. qOK = 0;
  330. for (var i = 1; i <= qCount; i++) {
  331. a = "a" + i;
  332. setClass(a, "q");
  333. switch (code.charAt(i - 1)) {
  334. case 'r':
  335. res = checkRadio(a);
  336. break;
  337. case 'c':
  338. res = checkCheckBox(a);
  339. break;
  340. case 'v':
  341. res = checkInt(a);
  342. break;
  343. case 's':
  344. res = checkText(a);
  345. break;
  346. case 'm':
  347. res = checkText(a);
  348. break;
  349. case 'p':
  350. res = checkPairs(a);
  351. break;
  352. }
  353. if (res < 0)
  354. noans = 1;
  355. else {
  356. if (res == 0)
  357. errans.push(a);
  358. qOK += res;
  359. }
  360. }
  361. if (noans) {
  362. alert('Вы не ответили на некоторые вопросы теста. Эти вопросы выделены красной рамкой.');
  363. return false;
  364. }
  365. var showans = form["showans"].value;
  366. if (showans == "1")
  367. for (i = 0; i < errans.length; i++)
  368. setClass(errans[i], "q errans");
  369. showPopup(qOK, qCount);
  370. return false;
  371. }
  372. function vpWidth() {
  373. return window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth;
  374. }
  375. function vpHeight() {
  376. return window.innerHeight || document.documentElement.clientHeight || document.body.clientHeight;
  377. }
  378. Number.prototype.div = function(by) {
  379. return (this - this % by) / by;
  380. }
  381. ;
  382. function ballsWord(ball) {
  383. var res = 'баллов';
  384. ball = ball % 100;
  385. if (ball.div(10) != 1) {
  386. ball = ball % 10;
  387. if (ball == 1)
  388. res = 'балл';
  389. if (2 <= ball && ball <= 4)
  390. res = 'балла';
  391. }
  392. return res;
  393. }
  394. function voprosWord(n) {
  395. var res = 'вопросов';
  396. n = n % 100;
  397. if (n.div(10) != 1) {
  398. n = n % 10;
  399. if (n == 1)
  400. res = 'вопрос';
  401. if (2 <= n && n <= 4)
  402. res = 'вопроса';
  403. }
  404. return res;
  405. }
  406. function wheel(e) {
  407. preventDefault(e);
  408. }
  409. function disable_scroll() {
  410. if (window.addEventListener) {
  411. window.addEventListener('DOMMouseScroll', wheel, false);
  412. }
  413. window.onmousewheel = document.onmousewheel = wheel;
  414. }
  415. function enable_scroll() {
  416. if (window.removeEventListener) {
  417. window.removeEventListener('DOMMouseScroll', wheel, false);
  418. }
  419. window.onmousewheel = document.onmousewheel = document.onkeydown = null;
  420. }
  421. function showPopup(qOK, qCount) {
  422. var scrXY = getPageScroll();
  423. var c = document.getElementById("cover");
  424. disable_scroll();
  425. document.body.style.overflow = "hidden";
  426. c.style.visibility = "visible";
  427. c.style.left = scrXY.left + "px";
  428. c.style.top = scrXY.top + "px";
  429. var m = document.getElementById("msg");
  430. var ball = qOK * 100;
  431. ball = (ball - ball % qCount) / qCount;
  432. txt = "Вы правильно ответили на " + qOK + " " + voprosWord(qOK) + " из " + qCount + ".<br />" + "Результат: " + ball + " " + ballsWord(ball) + " из 100.<br />";
  433. otm = 2;
  434. if (ball >= 50)
  435. otm = 3;
  436. if (ball >= 67)
  437. otm = 4;
  438. if (ball >= 84)
  439. otm = 5;
  440. txt = txt + "<b>Отметка: " + otm + "</b>.";
  441. m.innerHTML = txt;
  442. var p = document.getElementById("popup");
  443. var html = document.documentElement;
  444. var w = vpWidth();
  445. var h = vpHeight();
  446. p.style.left = scrXY.left + (w - p.offsetWidth).div(2) + 'px';
  447. p.style.top = scrXY.top + (h - p.offsetHeight).div(2) + 'px';
  448. p.style.visibility = "visible";
  449. }
  450. function hidePopup() {
  451. var c = document.getElementById("cover");
  452. c.style.visibility = "hidden";
  453. var p = document.getElementById("popup");
  454. p.style.visibility = "hidden";
  455. enable_scroll();
  456. document.body.style.overflow = "auto";
  457. }
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