Date2.html 66.6 KB
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483
<!DOCTYPE html>
<html>
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
  <title>The source code</title>
  <link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />
  <script type="text/javascript" src="../resources/prettify/prettify.js"></script>
  <style type="text/css">
    .highlight { display: block; background-color: #ddd; }
  </style>
  <script type="text/javascript">
    function highlight() {
      document.getElementById(location.hash.replace(/#/, "")).className = "highlight";
    }
  </script>
</head>
<body onload="prettyPrint(); highlight();">
  <pre class="prettyprint lang-js"><span id='Ext-Date'>/**
</span> * @class Ext.Date
 * A set of useful static methods to deal with date
 * Note that if Ext.Date is required and loaded, it will copy all methods / properties to
 * this object for convenience
 *
 * The date parsing and formatting syntax contains a subset of
 * &lt;a href=&quot;http://www.php.net/date&quot;&gt;PHP's date() function&lt;/a&gt;, and the formats that are
 * supported will provide results equivalent to their PHP versions.
 *
 * The following is a list of all currently supported formats:
 * &lt;pre class=&quot;&quot;&gt;
Format  Description                                                               Example returned values
------  -----------------------------------------------------------------------   -----------------------
  d     Day of the month, 2 digits with leading zeros                             01 to 31
  D     A short textual representation of the day of the week                     Mon to Sun
  j     Day of the month without leading zeros                                    1 to 31
  l     A full textual representation of the day of the week                      Sunday to Saturday
  N     ISO-8601 numeric representation of the day of the week                    1 (for Monday) through 7 (for Sunday)
  S     English ordinal suffix for the day of the month, 2 characters             st, nd, rd or th. Works well with j
  w     Numeric representation of the day of the week                             0 (for Sunday) to 6 (for Saturday)
  z     The day of the year (starting from 0)                                     0 to 364 (365 in leap years)
  W     ISO-8601 week number of year, weeks starting on Monday                    01 to 53
  F     A full textual representation of a month, such as January or March        January to December
  m     Numeric representation of a month, with leading zeros                     01 to 12
  M     A short textual representation of a month                                 Jan to Dec
  n     Numeric representation of a month, without leading zeros                  1 to 12
  t     Number of days in the given month                                         28 to 31
  L     Whether it&amp;#39;s a leap year                                                  1 if it is a leap year, 0 otherwise.
  o     ISO-8601 year number (identical to (Y), but if the ISO week number (W)    Examples: 1998 or 2004
        belongs to the previous or next year, that year is used instead)
  Y     A full numeric representation of a year, 4 digits                         Examples: 1999 or 2003
  y     A two digit representation of a year                                      Examples: 99 or 03
  a     Lowercase Ante meridiem and Post meridiem                                 am or pm
  A     Uppercase Ante meridiem and Post meridiem                                 AM or PM
  g     12-hour format of an hour without leading zeros                           1 to 12
  G     24-hour format of an hour without leading zeros                           0 to 23
  h     12-hour format of an hour with leading zeros                              01 to 12
  H     24-hour format of an hour with leading zeros                              00 to 23
  i     Minutes, with leading zeros                                               00 to 59
  s     Seconds, with leading zeros                                               00 to 59
  u     Decimal fraction of a second                                              Examples:
        (minimum 1 digit, arbitrary number of digits allowed)                     001 (i.e. 0.001s) or
                                                                                  100 (i.e. 0.100s) or
                                                                                  999 (i.e. 0.999s) or
                                                                                  999876543210 (i.e. 0.999876543210s)
  O     Difference to Greenwich time (GMT) in hours and minutes                   Example: +1030
  P     Difference to Greenwich time (GMT) with colon between hours and minutes   Example: -08:00
  T     Timezone abbreviation of the machine running the code                     Examples: EST, MDT, PDT ...
  Z     Timezone offset in seconds (negative if west of UTC, positive if east)    -43200 to 50400
  c     ISO 8601 date
        Notes:                                                                    Examples:
        1) If unspecified, the month / day defaults to the current month / day,   1991 or
           the time defaults to midnight, while the timezone defaults to the      1992-10 or
           browser's timezone. If a time is specified, it must include both hours 1993-09-20 or
           and minutes. The &quot;T&quot; delimiter, seconds, milliseconds and timezone     1994-08-19T16:20+01:00 or
           are optional.                                                          1995-07-18T17:21:28-02:00 or
        2) The decimal fraction of a second, if specified, must contain at        1996-06-17T18:22:29.98765+03:00 or
           least 1 digit (there is no limit to the maximum number                 1997-05-16T19:23:30,12345-0400 or
           of digits allowed), and may be delimited by either a '.' or a ','      1998-04-15T20:24:31.2468Z or
        Refer to the examples on the right for the various levels of              1999-03-14T20:24:32Z or
        date-time granularity which are supported, or see                         2000-02-13T21:25:33
        http://www.w3.org/TR/NOTE-datetime for more info.                         2001-01-12 22:26:34
  U     Seconds since the Unix Epoch (January 1 1970 00:00:00 GMT)                1193432466 or -2138434463
  MS    Microsoft AJAX serialized dates                                           \/Date(1238606590509)\/ (i.e. UTC milliseconds since epoch) or
                                                                                  \/Date(1238606590509+0800)\/
&lt;/pre&gt;
 *
 * Example usage (note that you must escape format specifiers with '\\' to render them as character literals):
 * &lt;pre&gt;&lt;code&gt;
// Sample date:
// 'Wed Jan 10 2007 15:05:01 GMT-0600 (Central Standard Time)'

var dt = new Date('1/10/2007 03:05:01 PM GMT-0600');
console.log(Ext.Date.format(dt, 'Y-m-d'));                          // 2007-01-10
console.log(Ext.Date.format(dt, 'F j, Y, g:i a'));                  // January 10, 2007, 3:05 pm
console.log(Ext.Date.format(dt, 'l, \\t\\he jS \\of F Y h:i:s A')); // Wednesday, the 10th of January 2007 03:05:01 PM
&lt;/code&gt;&lt;/pre&gt;
 *
 * Here are some standard date/time patterns that you might find helpful.  They
 * are not part of the source of Ext.Date, but to use them you can simply copy this
 * block of code into any script that is included after Ext.Date and they will also become
 * globally available on the Date object.  Feel free to add or remove patterns as needed in your code.
 * &lt;pre&gt;&lt;code&gt;
Ext.Date.patterns = {
    ISO8601Long:&quot;Y-m-d H:i:s&quot;,
    ISO8601Short:&quot;Y-m-d&quot;,
    ShortDate: &quot;n/j/Y&quot;,
    LongDate: &quot;l, F d, Y&quot;,
    FullDateTime: &quot;l, F d, Y g:i:s A&quot;,
    MonthDay: &quot;F d&quot;,
    ShortTime: &quot;g:i A&quot;,
    LongTime: &quot;g:i:s A&quot;,
    SortableDateTime: &quot;Y-m-d\\TH:i:s&quot;,
    UniversalSortableDateTime: &quot;Y-m-d H:i:sO&quot;,
    YearMonth: &quot;F, Y&quot;
};
&lt;/code&gt;&lt;/pre&gt;
 *
 * Example usage:
 * &lt;pre&gt;&lt;code&gt;
var dt = new Date();
console.log(Ext.Date.format(dt, Ext.Date.patterns.ShortDate));
&lt;/code&gt;&lt;/pre&gt;
 * &lt;p&gt;Developer-written, custom formats may be used by supplying both a formatting and a parsing function
 * which perform to specialized requirements. The functions are stored in {@link #parseFunctions} and {@link #formatFunctions}.&lt;/p&gt;
 * @singleton
 */

/*
 * Most of the date-formatting functions below are the excellent work of Baron Schwartz.
 * (see http://www.xaprb.com/blog/2005/12/12/javascript-closures-for-runtime-efficiency/)
 * They generate precompiled functions from format patterns instead of parsing and
 * processing each pattern every time a date is formatted. These functions are available
 * on every Date object.
 */

(function() {

// create private copy of Ext's Ext.util.Format.format() method
// - to remove unnecessary dependency
// - to resolve namespace conflict with MS-Ajax's implementation
function xf(format) {
    var args = Array.prototype.slice.call(arguments, 1);
    return format.replace(/\{(\d+)\}/g, function(m, i) {
        return args[i];
    });
}

Ext.Date = {
<span id='Ext-Date-method-now'>    /**
</span>     * Returns the current timestamp.
     * @return {Number} Milliseconds since UNIX epoch.
     * @method
     */
    now: Date.now || function() {
        return +new Date();
    },

<span id='Ext-Date-method-toString'>    /**
</span>     * @private
     * Private for now
     */
    toString: function(date) {
        var pad = Ext.String.leftPad;

        return date.getFullYear() + &quot;-&quot;
            + pad(date.getMonth() + 1, 2, '0') + &quot;-&quot;
            + pad(date.getDate(), 2, '0') + &quot;T&quot;
            + pad(date.getHours(), 2, '0') + &quot;:&quot;
            + pad(date.getMinutes(), 2, '0') + &quot;:&quot;
            + pad(date.getSeconds(), 2, '0');
    },

<span id='Ext-Date-method-getElapsed'>    /**
</span>     * Returns the number of milliseconds between two dates
     * @param {Date} dateA The first date
     * @param {Date} dateB (optional) The second date, defaults to now
     * @return {Number} The difference in milliseconds
     */
    getElapsed: function(dateA, dateB) {
        return Math.abs(dateA - (dateB || new Date()));
    },

<span id='Ext-Date-property-useStrict'>    /**
</span>     * Global flag which determines if strict date parsing should be used.
     * Strict date parsing will not roll-over invalid dates, which is the
     * default behaviour of javascript Date objects.
     * (see {@link #parse} for more information)
     * Defaults to &lt;tt&gt;false&lt;/tt&gt;.
     * @type Boolean
    */
    useStrict: false,

    // private
    formatCodeToRegex: function(character, currentGroup) {
        // Note: currentGroup - position in regex result array (see notes for Ext.Date.parseCodes below)
        var p = utilDate.parseCodes[character];

        if (p) {
          p = typeof p == 'function'? p() : p;
          utilDate.parseCodes[character] = p; // reassign function result to prevent repeated execution
        }

        return p ? Ext.applyIf({
          c: p.c ? xf(p.c, currentGroup || &quot;{0}&quot;) : p.c
        }, p) : {
            g: 0,
            c: null,
            s: Ext.String.escapeRegex(character) // treat unrecognised characters as literals
        };
    },

<span id='Ext-Date-property-parseFunctions'>    /**
</span>     * &lt;p&gt;An object hash in which each property is a date parsing function. The property name is the
     * format string which that function parses.&lt;/p&gt;
     * &lt;p&gt;This object is automatically populated with date parsing functions as
     * date formats are requested for Ext standard formatting strings.&lt;/p&gt;
     * &lt;p&gt;Custom parsing functions may be inserted into this object, keyed by a name which from then on
     * may be used as a format string to {@link #parse}.&lt;p&gt;
     * &lt;p&gt;Example:&lt;/p&gt;&lt;pre&gt;&lt;code&gt;
Ext.Date.parseFunctions['x-date-format'] = myDateParser;
&lt;/code&gt;&lt;/pre&gt;
     * &lt;p&gt;A parsing function should return a Date object, and is passed the following parameters:&lt;div class=&quot;mdetail-params&quot;&gt;&lt;ul&gt;
     * &lt;li&gt;&lt;code&gt;date&lt;/code&gt; : String&lt;div class=&quot;sub-desc&quot;&gt;The date string to parse.&lt;/div&gt;&lt;/li&gt;
     * &lt;li&gt;&lt;code&gt;strict&lt;/code&gt; : Boolean&lt;div class=&quot;sub-desc&quot;&gt;True to validate date strings while parsing
     * (i.e. prevent javascript Date &quot;rollover&quot;) (The default must be false).
     * Invalid date strings should return null when parsed.&lt;/div&gt;&lt;/li&gt;
     * &lt;/ul&gt;&lt;/div&gt;&lt;/p&gt;
     * &lt;p&gt;To enable Dates to also be &lt;i&gt;formatted&lt;/i&gt; according to that format, a corresponding
     * formatting function must be placed into the {@link #formatFunctions} property.
     * @property parseFunctions
     * @type Object
     */
    parseFunctions: {
        &quot;MS&quot;: function(input, strict) {
            // note: the timezone offset is ignored since the MS Ajax server sends
            // a UTC milliseconds-since-Unix-epoch value (negative values are allowed)
            var re = new RegExp('\\/Date\\(([-+])?(\\d+)(?:[+-]\\d{4})?\\)\\/'),
                r = (input || '').match(re);
            return r? new Date(((r[1] || '') + r[2]) * 1) : null;
        }
    },
    parseRegexes: [],

<span id='Ext-Date-property-formatFunctions'>    /**
</span>     * &lt;p&gt;An object hash in which each property is a date formatting function. The property name is the
     * format string which corresponds to the produced formatted date string.&lt;/p&gt;
     * &lt;p&gt;This object is automatically populated with date formatting functions as
     * date formats are requested for Ext standard formatting strings.&lt;/p&gt;
     * &lt;p&gt;Custom formatting functions may be inserted into this object, keyed by a name which from then on
     * may be used as a format string to {@link #format}. Example:&lt;/p&gt;&lt;pre&gt;&lt;code&gt;
Ext.Date.formatFunctions['x-date-format'] = myDateFormatter;
&lt;/code&gt;&lt;/pre&gt;
     * &lt;p&gt;A formatting function should return a string representation of the passed Date object, and is passed the following parameters:&lt;div class=&quot;mdetail-params&quot;&gt;&lt;ul&gt;
     * &lt;li&gt;&lt;code&gt;date&lt;/code&gt; : Date&lt;div class=&quot;sub-desc&quot;&gt;The Date to format.&lt;/div&gt;&lt;/li&gt;
     * &lt;/ul&gt;&lt;/div&gt;&lt;/p&gt;
     * &lt;p&gt;To enable date strings to also be &lt;i&gt;parsed&lt;/i&gt; according to that format, a corresponding
     * parsing function must be placed into the {@link #parseFunctions} property.
     * @property formatFunctions
     * @type Object
     */
    formatFunctions: {
        &quot;MS&quot;: function() {
            // UTC milliseconds since Unix epoch (MS-AJAX serialized date format (MRSF))
            return '\\/Date(' + this.getTime() + ')\\/';
        }
    },

    y2kYear : 50,

<span id='Ext-Date-property-MILLI'>    /**
</span>     * Date interval constant
     * @type String
     */
    MILLI : &quot;ms&quot;,

<span id='Ext-Date-property-SECOND'>    /**
</span>     * Date interval constant
     * @type String
     */
    SECOND : &quot;s&quot;,

<span id='Ext-Date-property-MINUTE'>    /**
</span>     * Date interval constant
     * @type String
     */
    MINUTE : &quot;mi&quot;,

<span id='Ext-Date-property-HOUR'>    /** Date interval constant
</span>     * @type String
     */
    HOUR : &quot;h&quot;,

<span id='Ext-Date-property-DAY'>    /**
</span>     * Date interval constant
     * @type String
     */
    DAY : &quot;d&quot;,

<span id='Ext-Date-property-MONTH'>    /**
</span>     * Date interval constant
     * @type String
     */
    MONTH : &quot;mo&quot;,

<span id='Ext-Date-property-YEAR'>    /**
</span>     * Date interval constant
     * @type String
     */
    YEAR : &quot;y&quot;,

<span id='Ext-Date-property-defaults'>    /**
</span>     * &lt;p&gt;An object hash containing default date values used during date parsing.&lt;/p&gt;
     * &lt;p&gt;The following properties are available:&lt;div class=&quot;mdetail-params&quot;&gt;&lt;ul&gt;
     * &lt;li&gt;&lt;code&gt;y&lt;/code&gt; : Number&lt;div class=&quot;sub-desc&quot;&gt;The default year value. (defaults to undefined)&lt;/div&gt;&lt;/li&gt;
     * &lt;li&gt;&lt;code&gt;m&lt;/code&gt; : Number&lt;div class=&quot;sub-desc&quot;&gt;The default 1-based month value. (defaults to undefined)&lt;/div&gt;&lt;/li&gt;
     * &lt;li&gt;&lt;code&gt;d&lt;/code&gt; : Number&lt;div class=&quot;sub-desc&quot;&gt;The default day value. (defaults to undefined)&lt;/div&gt;&lt;/li&gt;
     * &lt;li&gt;&lt;code&gt;h&lt;/code&gt; : Number&lt;div class=&quot;sub-desc&quot;&gt;The default hour value. (defaults to undefined)&lt;/div&gt;&lt;/li&gt;
     * &lt;li&gt;&lt;code&gt;i&lt;/code&gt; : Number&lt;div class=&quot;sub-desc&quot;&gt;The default minute value. (defaults to undefined)&lt;/div&gt;&lt;/li&gt;
     * &lt;li&gt;&lt;code&gt;s&lt;/code&gt; : Number&lt;div class=&quot;sub-desc&quot;&gt;The default second value. (defaults to undefined)&lt;/div&gt;&lt;/li&gt;
     * &lt;li&gt;&lt;code&gt;ms&lt;/code&gt; : Number&lt;div class=&quot;sub-desc&quot;&gt;The default millisecond value. (defaults to undefined)&lt;/div&gt;&lt;/li&gt;
     * &lt;/ul&gt;&lt;/div&gt;&lt;/p&gt;
     * &lt;p&gt;Override these properties to customize the default date values used by the {@link #parse} method.&lt;/p&gt;
     * &lt;p&gt;&lt;b&gt;Note: In countries which experience Daylight Saving Time (i.e. DST), the &lt;tt&gt;h&lt;/tt&gt;, &lt;tt&gt;i&lt;/tt&gt;, &lt;tt&gt;s&lt;/tt&gt;
     * and &lt;tt&gt;ms&lt;/tt&gt; properties may coincide with the exact time in which DST takes effect.
     * It is the responsiblity of the developer to account for this.&lt;/b&gt;&lt;/p&gt;
     * Example Usage:
     * &lt;pre&gt;&lt;code&gt;
// set default day value to the first day of the month
Ext.Date.defaults.d = 1;

// parse a February date string containing only year and month values.
// setting the default day value to 1 prevents weird date rollover issues
// when attempting to parse the following date string on, for example, March 31st 2009.
Ext.Date.parse('2009-02', 'Y-m'); // returns a Date object representing February 1st 2009
&lt;/code&gt;&lt;/pre&gt;
     * @property defaults
     * @type Object
     */
    defaults: {},

    //&lt;locale type=&quot;array&quot;&gt;
<span id='Ext-Date-property-dayNames'>    /**
</span>     * @property {String[]} dayNames
     * An array of textual day names.
     * Override these values for international dates.
     * Example:
     * &lt;pre&gt;&lt;code&gt;
Ext.Date.dayNames = [
    'SundayInYourLang',
    'MondayInYourLang',
    ...
];
&lt;/code&gt;&lt;/pre&gt;
     */
    dayNames : [
        &quot;Sunday&quot;,
        &quot;Monday&quot;,
        &quot;Tuesday&quot;,
        &quot;Wednesday&quot;,
        &quot;Thursday&quot;,
        &quot;Friday&quot;,
        &quot;Saturday&quot;
    ],
    //&lt;/locale&gt;

    //&lt;locale type=&quot;array&quot;&gt;
<span id='Ext-Date-property-monthNames'>    /**
</span>     * @property {String[]} monthNames
     * An array of textual month names.
     * Override these values for international dates.
     * Example:
     * &lt;pre&gt;&lt;code&gt;
Ext.Date.monthNames = [
    'JanInYourLang',
    'FebInYourLang',
    ...
];
&lt;/code&gt;&lt;/pre&gt;
     */
    monthNames : [
        &quot;January&quot;,
        &quot;February&quot;,
        &quot;March&quot;,
        &quot;April&quot;,
        &quot;May&quot;,
        &quot;June&quot;,
        &quot;July&quot;,
        &quot;August&quot;,
        &quot;September&quot;,
        &quot;October&quot;,
        &quot;November&quot;,
        &quot;December&quot;
    ],
    //&lt;/locale&gt;

    //&lt;locale type=&quot;object&quot;&gt;
<span id='Ext-Date-property-monthNumbers'>    /**
</span>     * @property {Object} monthNumbers
     * An object hash of zero-based javascript month numbers (with short month names as keys. note: keys are case-sensitive).
     * Override these values for international dates.
     * Example:
     * &lt;pre&gt;&lt;code&gt;
Ext.Date.monthNumbers = {
    'LongJanNameInYourLang': 0,
    'ShortJanNameInYourLang':0,
    'LongFebNameInYourLang':1,
    'ShortFebNameInYourLang':1,
    ...
};
&lt;/code&gt;&lt;/pre&gt;
     */
    monthNumbers : {
        January: 0,
        Jan: 0,
        February: 1,
        Feb: 1,
        March: 2,
        Mar: 2,
        April: 3,
        Apr: 3,
        May: 4,
        June: 5,
        Jun: 5,
        July: 6,
        Jul: 6,
        August: 7,
        Aug: 7,
        September: 8,
        Sep: 8,
        October: 9,
        Oct: 9,
        November: 10,
        Nov: 10,
        December: 11,
        Dec: 11
    },
    //&lt;/locale&gt;
    
    //&lt;locale&gt;
<span id='Ext-Date-property-defaultFormat'>    /**
</span>     * @property {String} defaultFormat
     * &lt;p&gt;The date format string that the {@link Ext.util.Format#dateRenderer}
     * and {@link Ext.util.Format#date} functions use.  See {@link Ext.Date} for details.&lt;/p&gt;
     * &lt;p&gt;This may be overridden in a locale file.&lt;/p&gt;
     */
    defaultFormat : &quot;m/d/Y&quot;,
    //&lt;/locale&gt;
    //&lt;locale type=&quot;function&quot;&gt;
<span id='Ext-Date-method-getShortMonthName'>    /**
</span>     * Get the short month name for the given month number.
     * Override this function for international dates.
     * @param {Number} month A zero-based javascript month number.
     * @return {String} The short month name.
     */
    getShortMonthName : function(month) {
        return Ext.Date.monthNames[month].substring(0, 3);
    },
    //&lt;/locale&gt;

    //&lt;locale type=&quot;function&quot;&gt;
<span id='Ext-Date-method-getShortDayName'>    /**
</span>     * Get the short day name for the given day number.
     * Override this function for international dates.
     * @param {Number} day A zero-based javascript day number.
     * @return {String} The short day name.
     */
    getShortDayName : function(day) {
        return Ext.Date.dayNames[day].substring(0, 3);
    },
    //&lt;/locale&gt;

    //&lt;locale type=&quot;function&quot;&gt;
<span id='Ext-Date-method-getMonthNumber'>    /**
</span>     * Get the zero-based javascript month number for the given short/full month name.
     * Override this function for international dates.
     * @param {String} name The short/full month name.
     * @return {Number} The zero-based javascript month number.
     */
    getMonthNumber : function(name) {
        // handle camel casing for english month names (since the keys for the Ext.Date.monthNumbers hash are case sensitive)
        return Ext.Date.monthNumbers[name.substring(0, 1).toUpperCase() + name.substring(1, 3).toLowerCase()];
    },
    //&lt;/locale&gt;

<span id='Ext-Date-method-formatContainsHourInfo'>    /**
</span>     * Checks if the specified format contains hour information
     * @param {String} format The format to check
     * @return {Boolean} True if the format contains hour information
     * @method
     */
    formatContainsHourInfo : (function(){
        var stripEscapeRe = /(\\.)/g,
            hourInfoRe = /([gGhHisucUOPZ]|MS)/;
        return function(format){
            return hourInfoRe.test(format.replace(stripEscapeRe, ''));
        };
    }()),

<span id='Ext-Date-method-formatContainsDateInfo'>    /**
</span>     * Checks if the specified format contains information about
     * anything other than the time.
     * @param {String} format The format to check
     * @return {Boolean} True if the format contains information about
     * date/day information.
     * @method
     */
    formatContainsDateInfo : (function(){
        var stripEscapeRe = /(\\.)/g,
            dateInfoRe = /([djzmnYycU]|MS)/;

        return function(format){
            return dateInfoRe.test(format.replace(stripEscapeRe, ''));
        };
    }()),
    
<span id='Ext-Date-method-unescapeFormat'>    /**
</span>     * Removes all escaping for a date format string. In date formats,
     * using a '\' can be used to escape special characters.
     * @param {String} format The format to unescape
     * @return {String} The unescaped format
     * @method
     */
    unescapeFormat: (function() { 
        var slashRe = /\\/gi;
        return function(format) {
            // Escape the format, since \ can be used to escape special
            // characters in a date format. For example, in a spanish
            // locale the format may be: 'd \\de F \\de Y'
            return format.replace(slashRe, '');
        }
    }()),

<span id='Ext-Date-property-formatCodes'>    /**
</span>     * The base format-code to formatting-function hashmap used by the {@link #format} method.
     * Formatting functions are strings (or functions which return strings) which
     * will return the appropriate value when evaluated in the context of the Date object
     * from which the {@link #format} method is called.
     * Add to / override these mappings for custom date formatting.
     * Note: Ext.Date.format() treats characters as literals if an appropriate mapping cannot be found.
     * Example:
     * &lt;pre&gt;&lt;code&gt;
Ext.Date.formatCodes.x = &quot;Ext.util.Format.leftPad(this.getDate(), 2, '0')&quot;;
console.log(Ext.Date.format(new Date(), 'X'); // returns the current day of the month
&lt;/code&gt;&lt;/pre&gt;
     * @type Object
     */
    formatCodes : {
        d: &quot;Ext.String.leftPad(this.getDate(), 2, '0')&quot;,
        D: &quot;Ext.Date.getShortDayName(this.getDay())&quot;, // get localised short day name
        j: &quot;this.getDate()&quot;,
        l: &quot;Ext.Date.dayNames[this.getDay()]&quot;,
        N: &quot;(this.getDay() ? this.getDay() : 7)&quot;,
        S: &quot;Ext.Date.getSuffix(this)&quot;,
        w: &quot;this.getDay()&quot;,
        z: &quot;Ext.Date.getDayOfYear(this)&quot;,
        W: &quot;Ext.String.leftPad(Ext.Date.getWeekOfYear(this), 2, '0')&quot;,
        F: &quot;Ext.Date.monthNames[this.getMonth()]&quot;,
        m: &quot;Ext.String.leftPad(this.getMonth() + 1, 2, '0')&quot;,
        M: &quot;Ext.Date.getShortMonthName(this.getMonth())&quot;, // get localised short month name
        n: &quot;(this.getMonth() + 1)&quot;,
        t: &quot;Ext.Date.getDaysInMonth(this)&quot;,
        L: &quot;(Ext.Date.isLeapYear(this) ? 1 : 0)&quot;,
        o: &quot;(this.getFullYear() + (Ext.Date.getWeekOfYear(this) == 1 &amp;&amp; this.getMonth() &gt; 0 ? +1 : (Ext.Date.getWeekOfYear(this) &gt;= 52 &amp;&amp; this.getMonth() &lt; 11 ? -1 : 0)))&quot;,
        Y: &quot;Ext.String.leftPad(this.getFullYear(), 4, '0')&quot;,
        y: &quot;('' + this.getFullYear()).substring(2, 4)&quot;,
        a: &quot;(this.getHours() &lt; 12 ? 'am' : 'pm')&quot;,
        A: &quot;(this.getHours() &lt; 12 ? 'AM' : 'PM')&quot;,
        g: &quot;((this.getHours() % 12) ? this.getHours() % 12 : 12)&quot;,
        G: &quot;this.getHours()&quot;,
        h: &quot;Ext.String.leftPad((this.getHours() % 12) ? this.getHours() % 12 : 12, 2, '0')&quot;,
        H: &quot;Ext.String.leftPad(this.getHours(), 2, '0')&quot;,
        i: &quot;Ext.String.leftPad(this.getMinutes(), 2, '0')&quot;,
        s: &quot;Ext.String.leftPad(this.getSeconds(), 2, '0')&quot;,
        u: &quot;Ext.String.leftPad(this.getMilliseconds(), 3, '0')&quot;,
        O: &quot;Ext.Date.getGMTOffset(this)&quot;,
        P: &quot;Ext.Date.getGMTOffset(this, true)&quot;,
        T: &quot;Ext.Date.getTimezone(this)&quot;,
        Z: &quot;(this.getTimezoneOffset() * -60)&quot;,

        c: function() { // ISO-8601 -- GMT format
            var c, code, i, l, e;
            for (c = &quot;Y-m-dTH:i:sP&quot;, code = [], i = 0, l = c.length; i &lt; l; ++i) {
                e = c.charAt(i);
                code.push(e == &quot;T&quot; ? &quot;'T'&quot; : utilDate.getFormatCode(e)); // treat T as a character literal
            }
            return code.join(&quot; + &quot;);
        },
        /*
        c: function() { // ISO-8601 -- UTC format
            return [
              &quot;this.getUTCFullYear()&quot;, &quot;'-'&quot;,
              &quot;Ext.util.Format.leftPad(this.getUTCMonth() + 1, 2, '0')&quot;, &quot;'-'&quot;,
              &quot;Ext.util.Format.leftPad(this.getUTCDate(), 2, '0')&quot;,
              &quot;'T'&quot;,
              &quot;Ext.util.Format.leftPad(this.getUTCHours(), 2, '0')&quot;, &quot;':'&quot;,
              &quot;Ext.util.Format.leftPad(this.getUTCMinutes(), 2, '0')&quot;, &quot;':'&quot;,
              &quot;Ext.util.Format.leftPad(this.getUTCSeconds(), 2, '0')&quot;,
              &quot;'Z'&quot;
            ].join(&quot; + &quot;);
        },
        */

        U: &quot;Math.round(this.getTime() / 1000)&quot;
    },

<span id='Ext-Date-method-isValid'>    /**
</span>     * Checks if the passed Date parameters will cause a javascript Date &quot;rollover&quot;.
     * @param {Number} year 4-digit year
     * @param {Number} month 1-based month-of-year
     * @param {Number} day Day of month
     * @param {Number} hour (optional) Hour
     * @param {Number} minute (optional) Minute
     * @param {Number} second (optional) Second
     * @param {Number} millisecond (optional) Millisecond
     * @return {Boolean} true if the passed parameters do not cause a Date &quot;rollover&quot;, false otherwise.
     */
    isValid : function(y, m, d, h, i, s, ms) {
        // setup defaults
        h = h || 0;
        i = i || 0;
        s = s || 0;
        ms = ms || 0;

        // Special handling for year &lt; 100
        var dt = utilDate.add(new Date(y &lt; 100 ? 100 : y, m - 1, d, h, i, s, ms), utilDate.YEAR, y &lt; 100 ? y - 100 : 0);

        return y == dt.getFullYear() &amp;&amp;
            m == dt.getMonth() + 1 &amp;&amp;
            d == dt.getDate() &amp;&amp;
            h == dt.getHours() &amp;&amp;
            i == dt.getMinutes() &amp;&amp;
            s == dt.getSeconds() &amp;&amp;
            ms == dt.getMilliseconds();
    },

<span id='Ext-Date-method-parse'>    /**
</span>     * Parses the passed string using the specified date format.
     * Note that this function expects normal calendar dates, meaning that months are 1-based (i.e. 1 = January).
     * The {@link #defaults} hash will be used for any date value (i.e. year, month, day, hour, minute, second or millisecond)
     * which cannot be found in the passed string. If a corresponding default date value has not been specified in the {@link #defaults} hash,
     * the current date's year, month, day or DST-adjusted zero-hour time value will be used instead.
     * Keep in mind that the input date string must precisely match the specified format string
     * in order for the parse operation to be successful (failed parse operations return a null value).
     * &lt;p&gt;Example:&lt;/p&gt;&lt;pre&gt;&lt;code&gt;
//dt = Fri May 25 2007 (current date)
var dt = new Date();

//dt = Thu May 25 2006 (today&amp;#39;s month/day in 2006)
dt = Ext.Date.parse(&quot;2006&quot;, &quot;Y&quot;);

//dt = Sun Jan 15 2006 (all date parts specified)
dt = Ext.Date.parse(&quot;2006-01-15&quot;, &quot;Y-m-d&quot;);

//dt = Sun Jan 15 2006 15:20:01
dt = Ext.Date.parse(&quot;2006-01-15 3:20:01 PM&quot;, &quot;Y-m-d g:i:s A&quot;);

// attempt to parse Sun Feb 29 2006 03:20:01 in strict mode
dt = Ext.Date.parse(&quot;2006-02-29 03:20:01&quot;, &quot;Y-m-d H:i:s&quot;, true); // returns null
&lt;/code&gt;&lt;/pre&gt;
     * @param {String} input The raw date string.
     * @param {String} format The expected date string format.
     * @param {Boolean} strict (optional) True to validate date strings while parsing (i.e. prevents javascript Date &quot;rollover&quot;)
                        (defaults to false). Invalid date strings will return null when parsed.
     * @return {Date} The parsed Date.
     */
    parse : function(input, format, strict) {
        var p = utilDate.parseFunctions;
        if (p[format] == null) {
            utilDate.createParser(format);
        }
        return p[format](input, Ext.isDefined(strict) ? strict : utilDate.useStrict);
    },

    // Backwards compat
    parseDate: function(input, format, strict){
        return utilDate.parse(input, format, strict);
    },


    // private
    getFormatCode : function(character) {
        var f = utilDate.formatCodes[character];

        if (f) {
          f = typeof f == 'function'? f() : f;
          utilDate.formatCodes[character] = f; // reassign function result to prevent repeated execution
        }

        // note: unknown characters are treated as literals
        return f || (&quot;'&quot; + Ext.String.escape(character) + &quot;'&quot;);
    },

    // private
    createFormat : function(format) {
        var code = [],
            special = false,
            ch = '',
            i;

        for (i = 0; i &lt; format.length; ++i) {
            ch = format.charAt(i);
            if (!special &amp;&amp; ch == &quot;\\&quot;) {
                special = true;
            } else if (special) {
                special = false;
                code.push(&quot;'&quot; + Ext.String.escape(ch) + &quot;'&quot;);
            } else {
                code.push(utilDate.getFormatCode(ch));
            }
        }
        utilDate.formatFunctions[format] = Ext.functionFactory(&quot;return &quot; + code.join('+'));
    },

    // private
    createParser : (function() {
        var code = [
            &quot;var dt, y, m, d, h, i, s, ms, o, z, zz, u, v,&quot;,
                &quot;def = Ext.Date.defaults,&quot;,
                &quot;results = String(input).match(Ext.Date.parseRegexes[{0}]);&quot;, // either null, or an array of matched strings

            &quot;if(results){&quot;,
                &quot;{1}&quot;,

                &quot;if(u != null){&quot;, // i.e. unix time is defined
                    &quot;v = new Date(u * 1000);&quot;, // give top priority to UNIX time
                &quot;}else{&quot;,
                    // create Date object representing midnight of the current day;
                    // this will provide us with our date defaults
                    // (note: clearTime() handles Daylight Saving Time automatically)
                    &quot;dt = Ext.Date.clearTime(new Date);&quot;,

                    // date calculations (note: these calculations create a dependency on Ext.Number.from())
                    &quot;y = Ext.Number.from(y, Ext.Number.from(def.y, dt.getFullYear()));&quot;,
                    &quot;m = Ext.Number.from(m, Ext.Number.from(def.m - 1, dt.getMonth()));&quot;,
                    &quot;d = Ext.Number.from(d, Ext.Number.from(def.d, dt.getDate()));&quot;,

                    // time calculations (note: these calculations create a dependency on Ext.Number.from())
                    &quot;h  = Ext.Number.from(h, Ext.Number.from(def.h, dt.getHours()));&quot;,
                    &quot;i  = Ext.Number.from(i, Ext.Number.from(def.i, dt.getMinutes()));&quot;,
                    &quot;s  = Ext.Number.from(s, Ext.Number.from(def.s, dt.getSeconds()));&quot;,
                    &quot;ms = Ext.Number.from(ms, Ext.Number.from(def.ms, dt.getMilliseconds()));&quot;,

                    &quot;if(z &gt;= 0 &amp;&amp; y &gt;= 0){&quot;,
                        // both the year and zero-based day of year are defined and &gt;= 0.
                        // these 2 values alone provide sufficient info to create a full date object

                        // create Date object representing January 1st for the given year
                        // handle years &lt; 100 appropriately
                        &quot;v = Ext.Date.add(new Date(y &lt; 100 ? 100 : y, 0, 1, h, i, s, ms), Ext.Date.YEAR, y &lt; 100 ? y - 100 : 0);&quot;,

                        // then add day of year, checking for Date &quot;rollover&quot; if necessary
                        &quot;v = !strict? v : (strict === true &amp;&amp; (z &lt;= 364 || (Ext.Date.isLeapYear(v) &amp;&amp; z &lt;= 365))? Ext.Date.add(v, Ext.Date.DAY, z) : null);&quot;,
                    &quot;}else if(strict === true &amp;&amp; !Ext.Date.isValid(y, m + 1, d, h, i, s, ms)){&quot;, // check for Date &quot;rollover&quot;
                        &quot;v = null;&quot;, // invalid date, so return null
                    &quot;}else{&quot;,
                        // plain old Date object
                        // handle years &lt; 100 properly
                        &quot;v = Ext.Date.add(new Date(y &lt; 100 ? 100 : y, m, d, h, i, s, ms), Ext.Date.YEAR, y &lt; 100 ? y - 100 : 0);&quot;,
                    &quot;}&quot;,
                &quot;}&quot;,
            &quot;}&quot;,

            &quot;if(v){&quot;,
                // favour UTC offset over GMT offset
                &quot;if(zz != null){&quot;,
                    // reset to UTC, then add offset
                    &quot;v = Ext.Date.add(v, Ext.Date.SECOND, -v.getTimezoneOffset() * 60 - zz);&quot;,
                &quot;}else if(o){&quot;,
                    // reset to GMT, then add offset
                    &quot;v = Ext.Date.add(v, Ext.Date.MINUTE, -v.getTimezoneOffset() + (sn == '+'? -1 : 1) * (hr * 60 + mn));&quot;,
                &quot;}&quot;,
            &quot;}&quot;,

            &quot;return v;&quot;
        ].join('\n');

        return function(format) {
            var regexNum = utilDate.parseRegexes.length,
                currentGroup = 1,
                calc = [],
                regex = [],
                special = false,
                ch = &quot;&quot;,
                i = 0,
                len = format.length,
                atEnd = [],
                obj;

            for (; i &lt; len; ++i) {
                ch = format.charAt(i);
                if (!special &amp;&amp; ch == &quot;\\&quot;) {
                    special = true;
                } else if (special) {
                    special = false;
                    regex.push(Ext.String.escape(ch));
                } else {
                    obj = utilDate.formatCodeToRegex(ch, currentGroup);
                    currentGroup += obj.g;
                    regex.push(obj.s);
                    if (obj.g &amp;&amp; obj.c) {
                        if (obj.calcAtEnd) {
                            atEnd.push(obj.c);
                        } else {
                            calc.push(obj.c);
                        }
                    }
                }
            }
            
            calc = calc.concat(atEnd);

            utilDate.parseRegexes[regexNum] = new RegExp(&quot;^&quot; + regex.join('') + &quot;$&quot;, 'i');
            utilDate.parseFunctions[format] = Ext.functionFactory(&quot;input&quot;, &quot;strict&quot;, xf(code, regexNum, calc.join('')));
        };
    }()),

    // private
    parseCodes : {
        /*
         * Notes:
         * g = {Number} calculation group (0 or 1. only group 1 contributes to date calculations.)
         * c = {String} calculation method (required for group 1. null for group 0. {0} = currentGroup - position in regex result array)
         * s = {String} regex pattern. all matches are stored in results[], and are accessible by the calculation mapped to 'c'
         */
        d: {
            g:1,
            c:&quot;d = parseInt(results[{0}], 10);\n&quot;,
            s:&quot;(3[0-1]|[1-2][0-9]|0[1-9])&quot; // day of month with leading zeroes (01 - 31)
        },
        j: {
            g:1,
            c:&quot;d = parseInt(results[{0}], 10);\n&quot;,
            s:&quot;(3[0-1]|[1-2][0-9]|[1-9])&quot; // day of month without leading zeroes (1 - 31)
        },
        D: function() {
            for (var a = [], i = 0; i &lt; 7; a.push(utilDate.getShortDayName(i)), ++i); // get localised short day names
            return {
                g:0,
                c:null,
                s:&quot;(?:&quot; + a.join(&quot;|&quot;) +&quot;)&quot;
            };
        },
        l: function() {
            return {
                g:0,
                c:null,
                s:&quot;(?:&quot; + utilDate.dayNames.join(&quot;|&quot;) + &quot;)&quot;
            };
        },
        N: {
            g:0,
            c:null,
            s:&quot;[1-7]&quot; // ISO-8601 day number (1 (monday) - 7 (sunday))
        },
        //&lt;locale type=&quot;object&quot; property=&quot;parseCodes&quot;&gt;
        S: {
            g:0,
            c:null,
            s:&quot;(?:st|nd|rd|th)&quot;
        },
        //&lt;/locale&gt;
        w: {
            g:0,
            c:null,
            s:&quot;[0-6]&quot; // javascript day number (0 (sunday) - 6 (saturday))
        },
        z: {
            g:1,
            c:&quot;z = parseInt(results[{0}], 10);\n&quot;,
            s:&quot;(\\d{1,3})&quot; // day of the year (0 - 364 (365 in leap years))
        },
        W: {
            g:0,
            c:null,
            s:&quot;(?:\\d{2})&quot; // ISO-8601 week number (with leading zero)
        },
        F: function() {
            return {
                g:1,
                c:&quot;m = parseInt(Ext.Date.getMonthNumber(results[{0}]), 10);\n&quot;, // get localised month number
                s:&quot;(&quot; + utilDate.monthNames.join(&quot;|&quot;) + &quot;)&quot;
            };
        },
        M: function() {
            for (var a = [], i = 0; i &lt; 12; a.push(utilDate.getShortMonthName(i)), ++i); // get localised short month names
            return Ext.applyIf({
                s:&quot;(&quot; + a.join(&quot;|&quot;) + &quot;)&quot;
            }, utilDate.formatCodeToRegex(&quot;F&quot;));
        },
        m: {
            g:1,
            c:&quot;m = parseInt(results[{0}], 10) - 1;\n&quot;,
            s:&quot;(1[0-2]|0[1-9])&quot; // month number with leading zeros (01 - 12)
        },
        n: {
            g:1,
            c:&quot;m = parseInt(results[{0}], 10) - 1;\n&quot;,
            s:&quot;(1[0-2]|[1-9])&quot; // month number without leading zeros (1 - 12)
        },
        t: {
            g:0,
            c:null,
            s:&quot;(?:\\d{2})&quot; // no. of days in the month (28 - 31)
        },
        L: {
            g:0,
            c:null,
            s:&quot;(?:1|0)&quot;
        },
        o: function() {
            return utilDate.formatCodeToRegex(&quot;Y&quot;);
        },
        Y: {
            g:1,
            c:&quot;y = parseInt(results[{0}], 10);\n&quot;,
            s:&quot;(\\d{4})&quot; // 4-digit year
        },
        y: {
            g:1,
            c:&quot;var ty = parseInt(results[{0}], 10);\n&quot;
                + &quot;y = ty &gt; Ext.Date.y2kYear ? 1900 + ty : 2000 + ty;\n&quot;, // 2-digit year
            s:&quot;(\\d{1,2})&quot;
        },
        /*
         * In the am/pm parsing routines, we allow both upper and lower case
         * even though it doesn't exactly match the spec. It gives much more flexibility
         * in being able to specify case insensitive regexes.
         */
        //&lt;locale type=&quot;object&quot; property=&quot;parseCodes&quot;&gt;
        a: {
            g:1,
            c:&quot;if (/(am)/i.test(results[{0}])) {\n&quot;
                + &quot;if (!h || h == 12) { h = 0; }\n&quot;
                + &quot;} else { if (!h || h &lt; 12) { h = (h || 0) + 12; }}&quot;,
            s:&quot;(am|pm|AM|PM)&quot;,
            calcAtEnd: true
        },
        //&lt;/locale&gt;
        //&lt;locale type=&quot;object&quot; property=&quot;parseCodes&quot;&gt;
        A: {
            g:1,
            c:&quot;if (/(am)/i.test(results[{0}])) {\n&quot;
                + &quot;if (!h || h == 12) { h = 0; }\n&quot;
                + &quot;} else { if (!h || h &lt; 12) { h = (h || 0) + 12; }}&quot;,
            s:&quot;(AM|PM|am|pm)&quot;,
            calcAtEnd: true
        },
        //&lt;/locale&gt;
        g: {
            g:1,
            c:&quot;h = parseInt(results[{0}], 10);\n&quot;,
            s:&quot;(1[0-2]|[0-9])&quot; //  12-hr format of an hour without leading zeroes (1 - 12)
        },
        G: {
            g:1,
            c:&quot;h = parseInt(results[{0}], 10);\n&quot;,
            s:&quot;(2[0-3]|1[0-9]|[0-9])&quot; // 24-hr format of an hour without leading zeroes (0 - 23)
        },
        h: {
            g:1,
            c:&quot;h = parseInt(results[{0}], 10);\n&quot;,
            s:&quot;(1[0-2]|0[1-9])&quot; //  12-hr format of an hour with leading zeroes (01 - 12)
        },
        H: {
            g:1,
            c:&quot;h = parseInt(results[{0}], 10);\n&quot;,
            s:&quot;(2[0-3]|[0-1][0-9])&quot; //  24-hr format of an hour with leading zeroes (00 - 23)
        },
        i: {
            g:1,
            c:&quot;i = parseInt(results[{0}], 10);\n&quot;,
            s:&quot;([0-5][0-9])&quot; // minutes with leading zeros (00 - 59)
        },
        s: {
            g:1,
            c:&quot;s = parseInt(results[{0}], 10);\n&quot;,
            s:&quot;([0-5][0-9])&quot; // seconds with leading zeros (00 - 59)
        },
        u: {
            g:1,
            c:&quot;ms = results[{0}]; ms = parseInt(ms, 10)/Math.pow(10, ms.length - 3);\n&quot;,
            s:&quot;(\\d+)&quot; // decimal fraction of a second (minimum = 1 digit, maximum = unlimited)
        },
        O: {
            g:1,
            c:[
                &quot;o = results[{0}];&quot;,
                &quot;var sn = o.substring(0,1),&quot;, // get + / - sign
                    &quot;hr = o.substring(1,3)*1 + Math.floor(o.substring(3,5) / 60),&quot;, // get hours (performs minutes-to-hour conversion also, just in case)
                    &quot;mn = o.substring(3,5) % 60;&quot;, // get minutes
                &quot;o = ((-12 &lt;= (hr*60 + mn)/60) &amp;&amp; ((hr*60 + mn)/60 &lt;= 14))? (sn + Ext.String.leftPad(hr, 2, '0') + Ext.String.leftPad(mn, 2, '0')) : null;\n&quot; // -12hrs &lt;= GMT offset &lt;= 14hrs
            ].join(&quot;\n&quot;),
            s: &quot;([+-]\\d{4})&quot; // GMT offset in hrs and mins
        },
        P: {
            g:1,
            c:[
                &quot;o = results[{0}];&quot;,
                &quot;var sn = o.substring(0,1),&quot;, // get + / - sign
                    &quot;hr = o.substring(1,3)*1 + Math.floor(o.substring(4,6) / 60),&quot;, // get hours (performs minutes-to-hour conversion also, just in case)
                    &quot;mn = o.substring(4,6) % 60;&quot;, // get minutes
                &quot;o = ((-12 &lt;= (hr*60 + mn)/60) &amp;&amp; ((hr*60 + mn)/60 &lt;= 14))? (sn + Ext.String.leftPad(hr, 2, '0') + Ext.String.leftPad(mn, 2, '0')) : null;\n&quot; // -12hrs &lt;= GMT offset &lt;= 14hrs
            ].join(&quot;\n&quot;),
            s: &quot;([+-]\\d{2}:\\d{2})&quot; // GMT offset in hrs and mins (with colon separator)
        },
        T: {
            g:0,
            c:null,
            s:&quot;[A-Z]{1,4}&quot; // timezone abbrev. may be between 1 - 4 chars
        },
        Z: {
            g:1,
            c:&quot;zz = results[{0}] * 1;\n&quot; // -43200 &lt;= UTC offset &lt;= 50400
                  + &quot;zz = (-43200 &lt;= zz &amp;&amp; zz &lt;= 50400)? zz : null;\n&quot;,
            s:&quot;([+-]?\\d{1,5})&quot; // leading '+' sign is optional for UTC offset
        },
        c: function() {
            var calc = [],
                arr = [
                    utilDate.formatCodeToRegex(&quot;Y&quot;, 1), // year
                    utilDate.formatCodeToRegex(&quot;m&quot;, 2), // month
                    utilDate.formatCodeToRegex(&quot;d&quot;, 3), // day
                    utilDate.formatCodeToRegex(&quot;H&quot;, 4), // hour
                    utilDate.formatCodeToRegex(&quot;i&quot;, 5), // minute
                    utilDate.formatCodeToRegex(&quot;s&quot;, 6), // second
                    {c:&quot;ms = results[7] || '0'; ms = parseInt(ms, 10)/Math.pow(10, ms.length - 3);\n&quot;}, // decimal fraction of a second (minimum = 1 digit, maximum = unlimited)
                    {c:[ // allow either &quot;Z&quot; (i.e. UTC) or &quot;-0530&quot; or &quot;+08:00&quot; (i.e. UTC offset) timezone delimiters. assumes local timezone if no timezone is specified
                        &quot;if(results[8]) {&quot;, // timezone specified
                            &quot;if(results[8] == 'Z'){&quot;,
                                &quot;zz = 0;&quot;, // UTC
                            &quot;}else if (results[8].indexOf(':') &gt; -1){&quot;,
                                utilDate.formatCodeToRegex(&quot;P&quot;, 8).c, // timezone offset with colon separator
                            &quot;}else{&quot;,
                                utilDate.formatCodeToRegex(&quot;O&quot;, 8).c, // timezone offset without colon separator
                            &quot;}&quot;,
                        &quot;}&quot;
                    ].join('\n')}
                ],
                i,
                l;

            for (i = 0, l = arr.length; i &lt; l; ++i) {
                calc.push(arr[i].c);
            }

            return {
                g:1,
                c:calc.join(&quot;&quot;),
                s:[
                    arr[0].s, // year (required)
                    &quot;(?:&quot;, &quot;-&quot;, arr[1].s, // month (optional)
                        &quot;(?:&quot;, &quot;-&quot;, arr[2].s, // day (optional)
                            &quot;(?:&quot;,
                                &quot;(?:T| )?&quot;, // time delimiter -- either a &quot;T&quot; or a single blank space
                                arr[3].s, &quot;:&quot;, arr[4].s,  // hour AND minute, delimited by a single colon (optional). MUST be preceded by either a &quot;T&quot; or a single blank space
                                &quot;(?::&quot;, arr[5].s, &quot;)?&quot;, // seconds (optional)
                                &quot;(?:(?:\\.|,)(\\d+))?&quot;, // decimal fraction of a second (e.g. &quot;,12345&quot; or &quot;.98765&quot;) (optional)
                                &quot;(Z|(?:[-+]\\d{2}(?::)?\\d{2}))?&quot;, // &quot;Z&quot; (UTC) or &quot;-0530&quot; (UTC offset without colon delimiter) or &quot;+08:00&quot; (UTC offset with colon delimiter) (optional)
                            &quot;)?&quot;,
                        &quot;)?&quot;,
                    &quot;)?&quot;
                ].join(&quot;&quot;)
            };
        },
        U: {
            g:1,
            c:&quot;u = parseInt(results[{0}], 10);\n&quot;,
            s:&quot;(-?\\d+)&quot; // leading minus sign indicates seconds before UNIX epoch
        }
    },

    //Old Ext.Date prototype methods.
    // private
    dateFormat: function(date, format) {
        return utilDate.format(date, format);
    },

<span id='Ext-Date-method-isEqual'>    /**
</span>     * Compares if two dates are equal by comparing their values.
     * @param {Date} date1
     * @param {Date} date2
     * @return {Boolean} True if the date values are equal
     */
    isEqual: function(date1, date2) {
        // check we have 2 date objects
        if (date1 &amp;&amp; date2) {
            return (date1.getTime() === date2.getTime());
        }
        // one or both isn't a date, only equal if both are falsey
        return !(date1 || date2);
    },

<span id='Ext-Date-method-format'>    /**
</span>     * Formats a date given the supplied format string.
     * @param {Date} date The date to format
     * @param {String} format The format string
     * @return {String} The formatted date or an empty string if date parameter is not a JavaScript Date object
     */
    format: function(date, format) {
        var formatFunctions = utilDate.formatFunctions;

        if (!Ext.isDate(date)) {
            return '';
        }

        if (formatFunctions[format] == null) {
            utilDate.createFormat(format);
        }

        return formatFunctions[format].call(date) + '';
    },

<span id='Ext-Date-method-getTimezone'>    /**
</span>     * Get the timezone abbreviation of the current date (equivalent to the format specifier 'T').
     *
     * Note: The date string returned by the javascript Date object's toString() method varies
     * between browsers (e.g. FF vs IE) and system region settings (e.g. IE in Asia vs IE in America).
     * For a given date string e.g. &quot;Thu Oct 25 2007 22:55:35 GMT+0800 (Malay Peninsula Standard Time)&quot;,
     * getTimezone() first tries to get the timezone abbreviation from between a pair of parentheses
     * (which may or may not be present), failing which it proceeds to get the timezone abbreviation
     * from the GMT offset portion of the date string.
     * @param {Date} date The date
     * @return {String} The abbreviated timezone name (e.g. 'CST', 'PDT', 'EDT', 'MPST' ...).
     */
    getTimezone : function(date) {
        // the following list shows the differences between date strings from different browsers on a WinXP SP2 machine from an Asian locale:
        //
        // Opera  : &quot;Thu, 25 Oct 2007 22:53:45 GMT+0800&quot; -- shortest (weirdest) date string of the lot
        // Safari : &quot;Thu Oct 25 2007 22:55:35 GMT+0800 (Malay Peninsula Standard Time)&quot; -- value in parentheses always gives the correct timezone (same as FF)
        // FF     : &quot;Thu Oct 25 2007 22:55:35 GMT+0800 (Malay Peninsula Standard Time)&quot; -- value in parentheses always gives the correct timezone
        // IE     : &quot;Thu Oct 25 22:54:35 UTC+0800 2007&quot; -- (Asian system setting) look for 3-4 letter timezone abbrev
        // IE     : &quot;Thu Oct 25 17:06:37 PDT 2007&quot; -- (American system setting) look for 3-4 letter timezone abbrev
        //
        // this crazy regex attempts to guess the correct timezone abbreviation despite these differences.
        // step 1: (?:\((.*)\) -- find timezone in parentheses
        // step 2: ([A-Z]{1,4})(?:[\-+][0-9]{4})?(?: -?\d+)?) -- if nothing was found in step 1, find timezone from timezone offset portion of date string
        // step 3: remove all non uppercase characters found in step 1 and 2
        return date.toString().replace(/^.* (?:\((.*)\)|([A-Z]{1,4})(?:[\-+][0-9]{4})?(?: -?\d+)?)$/, &quot;$1$2&quot;).replace(/[^A-Z]/g, &quot;&quot;);
    },

<span id='Ext-Date-method-getGMTOffset'>    /**
</span>     * Get the offset from GMT of the current date (equivalent to the format specifier 'O').
     * @param {Date} date The date
     * @param {Boolean} colon (optional) true to separate the hours and minutes with a colon (defaults to false).
     * @return {String} The 4-character offset string prefixed with + or - (e.g. '-0600').
     */
    getGMTOffset : function(date, colon) {
        var offset = date.getTimezoneOffset();
        return (offset &gt; 0 ? &quot;-&quot; : &quot;+&quot;)
            + Ext.String.leftPad(Math.floor(Math.abs(offset) / 60), 2, &quot;0&quot;)
            + (colon ? &quot;:&quot; : &quot;&quot;)
            + Ext.String.leftPad(Math.abs(offset % 60), 2, &quot;0&quot;);
    },

<span id='Ext-Date-method-getDayOfYear'>    /**
</span>     * Get the numeric day number of the year, adjusted for leap year.
     * @param {Date} date The date
     * @return {Number} 0 to 364 (365 in leap years).
     */
    getDayOfYear: function(date) {
        var num = 0,
            d = Ext.Date.clone(date),
            m = date.getMonth(),
            i;

        for (i = 0, d.setDate(1), d.setMonth(0); i &lt; m; d.setMonth(++i)) {
            num += utilDate.getDaysInMonth(d);
        }
        return num + date.getDate() - 1;
    },

<span id='Ext-Date-method-getWeekOfYear'>    /**
</span>     * Get the numeric ISO-8601 week number of the year.
     * (equivalent to the format specifier 'W', but without a leading zero).
     * @param {Date} date The date
     * @return {Number} 1 to 53
     * @method
     */
    getWeekOfYear : (function() {
        // adapted from http://www.merlyn.demon.co.uk/weekcalc.htm
        var ms1d = 864e5, // milliseconds in a day
            ms7d = 7 * ms1d; // milliseconds in a week

        return function(date) { // return a closure so constants get calculated only once
            var DC3 = Date.UTC(date.getFullYear(), date.getMonth(), date.getDate() + 3) / ms1d, // an Absolute Day Number
                AWN = Math.floor(DC3 / 7), // an Absolute Week Number
                Wyr = new Date(AWN * ms7d).getUTCFullYear();

            return AWN - Math.floor(Date.UTC(Wyr, 0, 7) / ms7d) + 1;
        };
    }()),

<span id='Ext-Date-method-isLeapYear'>    /**
</span>     * Checks if the current date falls within a leap year.
     * @param {Date} date The date
     * @return {Boolean} True if the current date falls within a leap year, false otherwise.
     */
    isLeapYear : function(date) {
        var year = date.getFullYear();
        return !!((year &amp; 3) == 0 &amp;&amp; (year % 100 || (year % 400 == 0 &amp;&amp; year)));
    },

<span id='Ext-Date-method-getFirstDayOfMonth'>    /**
</span>     * Get the first day of the current month, adjusted for leap year.  The returned value
     * is the numeric day index within the week (0-6) which can be used in conjunction with
     * the {@link #monthNames} array to retrieve the textual day name.
     * Example:
     * &lt;pre&gt;&lt;code&gt;
var dt = new Date('1/10/2007'),
    firstDay = Ext.Date.getFirstDayOfMonth(dt);
console.log(Ext.Date.dayNames[firstDay]); //output: 'Monday'
     * &lt;/code&gt;&lt;/pre&gt;
     * @param {Date} date The date
     * @return {Number} The day number (0-6).
     */
    getFirstDayOfMonth : function(date) {
        var day = (date.getDay() - (date.getDate() - 1)) % 7;
        return (day &lt; 0) ? (day + 7) : day;
    },

<span id='Ext-Date-method-getLastDayOfMonth'>    /**
</span>     * Get the last day of the current month, adjusted for leap year.  The returned value
     * is the numeric day index within the week (0-6) which can be used in conjunction with
     * the {@link #monthNames} array to retrieve the textual day name.
     * Example:
     * &lt;pre&gt;&lt;code&gt;
var dt = new Date('1/10/2007'),
    lastDay = Ext.Date.getLastDayOfMonth(dt);
console.log(Ext.Date.dayNames[lastDay]); //output: 'Wednesday'
     * &lt;/code&gt;&lt;/pre&gt;
     * @param {Date} date The date
     * @return {Number} The day number (0-6).
     */
    getLastDayOfMonth : function(date) {
        return utilDate.getLastDateOfMonth(date).getDay();
    },


<span id='Ext-Date-method-getFirstDateOfMonth'>    /**
</span>     * Get the date of the first day of the month in which this date resides.
     * @param {Date} date The date
     * @return {Date}
     */
    getFirstDateOfMonth : function(date) {
        return new Date(date.getFullYear(), date.getMonth(), 1);
    },

<span id='Ext-Date-method-getLastDateOfMonth'>    /**
</span>     * Get the date of the last day of the month in which this date resides.
     * @param {Date} date The date
     * @return {Date}
     */
    getLastDateOfMonth : function(date) {
        return new Date(date.getFullYear(), date.getMonth(), utilDate.getDaysInMonth(date));
    },

<span id='Ext-Date-method-getDaysInMonth'>    /**
</span>     * Get the number of days in the current month, adjusted for leap year.
     * @param {Date} date The date
     * @return {Number} The number of days in the month.
     * @method
     */
    getDaysInMonth: (function() {
        var daysInMonth = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];

        return function(date) { // return a closure for efficiency
            var m = date.getMonth();

            return m == 1 &amp;&amp; utilDate.isLeapYear(date) ? 29 : daysInMonth[m];
        };
    }()),

    //&lt;locale type=&quot;function&quot;&gt;
<span id='Ext-Date-method-getSuffix'>    /**
</span>     * Get the English ordinal suffix of the current day (equivalent to the format specifier 'S').
     * @param {Date} date The date
     * @return {String} 'st, 'nd', 'rd' or 'th'.
     */
    getSuffix : function(date) {
        switch (date.getDate()) {
            case 1:
            case 21:
            case 31:
                return &quot;st&quot;;
            case 2:
            case 22:
                return &quot;nd&quot;;
            case 3:
            case 23:
                return &quot;rd&quot;;
            default:
                return &quot;th&quot;;
        }
    },
    //&lt;/locale&gt;

<span id='Ext-Date-method-clone'>    /**
</span>     * Creates and returns a new Date instance with the exact same date value as the called instance.
     * Dates are copied and passed by reference, so if a copied date variable is modified later, the original
     * variable will also be changed.  When the intention is to create a new variable that will not
     * modify the original instance, you should create a clone.
     *
     * Example of correctly cloning a date:
     * &lt;pre&gt;&lt;code&gt;
//wrong way:
var orig = new Date('10/1/2006');
var copy = orig;
copy.setDate(5);
console.log(orig);  //returns 'Thu Oct 05 2006'!

//correct way:
var orig = new Date('10/1/2006'),
    copy = Ext.Date.clone(orig);
copy.setDate(5);
console.log(orig);  //returns 'Thu Oct 01 2006'
     * &lt;/code&gt;&lt;/pre&gt;
     * @param {Date} date The date
     * @return {Date} The new Date instance.
     */
    clone : function(date) {
        return new Date(date.getTime());
    },

<span id='Ext-Date-method-isDST'>    /**
</span>     * Checks if the current date is affected by Daylight Saving Time (DST).
     * @param {Date} date The date
     * @return {Boolean} True if the current date is affected by DST.
     */
    isDST : function(date) {
        // adapted from http://sencha.com/forum/showthread.php?p=247172#post247172
        // courtesy of @geoffrey.mcgill
        return new Date(date.getFullYear(), 0, 1).getTimezoneOffset() != date.getTimezoneOffset();
    },

<span id='Ext-Date-method-clearTime'>    /**
</span>     * Attempts to clear all time information from this Date by setting the time to midnight of the same day,
     * automatically adjusting for Daylight Saving Time (DST) where applicable.
     * (note: DST timezone information for the browser's host operating system is assumed to be up-to-date)
     * @param {Date} date The date
     * @param {Boolean} clone true to create a clone of this date, clear the time and return it (defaults to false).
     * @return {Date} this or the clone.
     */
    clearTime : function(date, clone) {
        if (clone) {
            return Ext.Date.clearTime(Ext.Date.clone(date));
        }

        // get current date before clearing time
        var d = date.getDate(),
            hr,
            c;

        // clear time
        date.setHours(0);
        date.setMinutes(0);
        date.setSeconds(0);
        date.setMilliseconds(0);

        if (date.getDate() != d) { // account for DST (i.e. day of month changed when setting hour = 0)
            // note: DST adjustments are assumed to occur in multiples of 1 hour (this is almost always the case)
            // refer to http://www.timeanddate.com/time/aboutdst.html for the (rare) exceptions to this rule

            // increment hour until cloned date == current date
            for (hr = 1, c = utilDate.add(date, Ext.Date.HOUR, hr); c.getDate() != d; hr++, c = utilDate.add(date, Ext.Date.HOUR, hr));

            date.setDate(d);
            date.setHours(c.getHours());
        }

        return date;
    },

<span id='Ext-Date-method-add'>    /**
</span>     * Provides a convenient method for performing basic date arithmetic. This method
     * does not modify the Date instance being called - it creates and returns
     * a new Date instance containing the resulting date value.
     *
     * Examples:
     * &lt;pre&gt;&lt;code&gt;
// Basic usage:
var dt = Ext.Date.add(new Date('10/29/2006'), Ext.Date.DAY, 5);
console.log(dt); //returns 'Fri Nov 03 2006 00:00:00'

// Negative values will be subtracted:
var dt2 = Ext.Date.add(new Date('10/1/2006'), Ext.Date.DAY, -5);
console.log(dt2); //returns 'Tue Sep 26 2006 00:00:00'

     * &lt;/code&gt;&lt;/pre&gt;
     *
     * @param {Date} date The date to modify
     * @param {String} interval A valid date interval enum value.
     * @param {Number} value The amount to add to the current date.
     * @return {Date} The new Date instance.
     */
    add : function(date, interval, value) {
        var d = Ext.Date.clone(date),
            Date = Ext.Date,
            day;
        if (!interval || value === 0) {
            return d;
        }

        switch(interval.toLowerCase()) {
            case Ext.Date.MILLI:
                d.setMilliseconds(d.getMilliseconds() + value);
                break;
            case Ext.Date.SECOND:
                d.setSeconds(d.getSeconds() + value);
                break;
            case Ext.Date.MINUTE:
                d.setMinutes(d.getMinutes() + value);
                break;
            case Ext.Date.HOUR:
                d.setHours(d.getHours() + value);
                break;
            case Ext.Date.DAY:
                d.setDate(d.getDate() + value);
                break;
            case Ext.Date.MONTH:
                day = date.getDate();
                if (day &gt; 28) {
                    day = Math.min(day, Ext.Date.getLastDateOfMonth(Ext.Date.add(Ext.Date.getFirstDateOfMonth(date), Ext.Date.MONTH, value)).getDate());
                }
                d.setDate(day);
                d.setMonth(date.getMonth() + value);
                break;
            case Ext.Date.YEAR:
                day = date.getDate();
                if (day &gt; 28) {
                    day = Math.min(day, Ext.Date.getLastDateOfMonth(Ext.Date.add(Ext.Date.getFirstDateOfMonth(date), Ext.Date.YEAR, value)).getDate());
                }
                d.setDate(day);
                d.setFullYear(date.getFullYear() + value);
                break;
        }
        return d;
    },

<span id='Ext-Date-method-between'>    /**
</span>     * Checks if a date falls on or between the given start and end dates.
     * @param {Date} date The date to check
     * @param {Date} start Start date
     * @param {Date} end End date
     * @return {Boolean} true if this date falls on or between the given start and end dates.
     */
    between : function(date, start, end) {
        var t = date.getTime();
        return start.getTime() &lt;= t &amp;&amp; t &lt;= end.getTime();
    },

    //Maintains compatibility with old static and prototype window.Date methods.
    compat: function() {
        var nativeDate = window.Date,
            p, u,
            statics = ['useStrict', 'formatCodeToRegex', 'parseFunctions', 'parseRegexes', 'formatFunctions', 'y2kYear', 'MILLI', 'SECOND', 'MINUTE', 'HOUR', 'DAY', 'MONTH', 'YEAR', 'defaults', 'dayNames', 'monthNames', 'monthNumbers', 'getShortMonthName', 'getShortDayName', 'getMonthNumber', 'formatCodes', 'isValid', 'parseDate', 'getFormatCode', 'createFormat', 'createParser', 'parseCodes'],
            proto = ['dateFormat', 'format', 'getTimezone', 'getGMTOffset', 'getDayOfYear', 'getWeekOfYear', 'isLeapYear', 'getFirstDayOfMonth', 'getLastDayOfMonth', 'getDaysInMonth', 'getSuffix', 'clone', 'isDST', 'clearTime', 'add', 'between'],
            sLen    = statics.length,
            pLen    = proto.length,
            stat, prot, s;

        //Append statics
        for (s = 0; s &lt; sLen; s++) {
            stat = statics[s];
            nativeDate[stat] = utilDate[stat];
        }

        //Append to prototype
        for (p = 0; p &lt; pLen; p++) {
            prot = proto[p];
            nativeDate.prototype[prot] = function() {
                var args = Array.prototype.slice.call(arguments);
                args.unshift(this);
                return utilDate[prot].apply(utilDate, args);
            };
        }
    }
};

var utilDate = Ext.Date;

}());
</pre>
</body>
</html>