This file is indexed.

/usr/share/javascript/yui/dom/dom-debug.js is in libjs-yui 2.9.0.dfsg.0.1-0.1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

   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
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
/*
Copyright (c) 2011, Yahoo! Inc. All rights reserved.
Code licensed under the BSD License:
http://developer.yahoo.com/yui/license.html
version: 2.9.0
*/
/**
 * The dom module provides helper methods for manipulating Dom elements.
 * @module dom
 *
 */

(function() {
    // for use with generateId (global to save state if Dom is overwritten)
    YAHOO.env._id_counter = YAHOO.env._id_counter || 0;

    // internal shorthand
    var Y = YAHOO.util,
        lang = YAHOO.lang,
        UA = YAHOO.env.ua,
        trim = YAHOO.lang.trim,
        propertyCache = {}, // for faster hyphen converts
        reCache = {}, // cache className regexes
        RE_TABLE = /^t(?:able|d|h)$/i, // for _calcBorders
        RE_COLOR = /color$/i,

        // DOM aliases 
        document = window.document,     
        documentElement = document.documentElement,

        // string constants
        OWNER_DOCUMENT = 'ownerDocument',
        DEFAULT_VIEW = 'defaultView',
        DOCUMENT_ELEMENT = 'documentElement',
        COMPAT_MODE = 'compatMode',
        OFFSET_LEFT = 'offsetLeft',
        OFFSET_TOP = 'offsetTop',
        OFFSET_PARENT = 'offsetParent',
        PARENT_NODE = 'parentNode',
        NODE_TYPE = 'nodeType',
        TAG_NAME = 'tagName',
        SCROLL_LEFT = 'scrollLeft',
        SCROLL_TOP = 'scrollTop',
        GET_BOUNDING_CLIENT_RECT = 'getBoundingClientRect',
        GET_COMPUTED_STYLE = 'getComputedStyle',
        CURRENT_STYLE = 'currentStyle',
        CSS1_COMPAT = 'CSS1Compat',
        _BACK_COMPAT = 'BackCompat',
        _CLASS = 'class', // underscore due to reserved word
        CLASS_NAME = 'className',
        EMPTY = '',
        SPACE = ' ',
        C_START = '(?:^|\\s)',
        C_END = '(?= |$)',
        G = 'g',
        POSITION = 'position',
        FIXED = 'fixed',
        RELATIVE = 'relative',
        LEFT = 'left',
        TOP = 'top',
        MEDIUM = 'medium',
        BORDER_LEFT_WIDTH = 'borderLeftWidth',
        BORDER_TOP_WIDTH = 'borderTopWidth',
    
    // brower detection
        isOpera = UA.opera,
        isSafari = UA.webkit, 
        isGecko = UA.gecko, 
        isIE = UA.ie; 
    
    /**
     * Provides helper methods for DOM elements.
     * @namespace YAHOO.util
     * @class Dom
     * @requires yahoo, event
     */
    Y.Dom = {
        CUSTOM_ATTRIBUTES: (!documentElement.hasAttribute) ? { // IE < 8
            'for': 'htmlFor',
            'class': CLASS_NAME
        } : { // w3c
            'htmlFor': 'for',
            'className': _CLASS
        },

        DOT_ATTRIBUTES: {
            checked: true 
        },

        /**
         * Returns an HTMLElement reference.
         * @method get
         * @param {String | HTMLElement |Array} el Accepts a string to use as an ID for getting a DOM reference, an actual DOM reference, or an Array of IDs and/or HTMLElements.
         * @return {HTMLElement | Array} A DOM reference to an HTML element or an array of HTMLElements.
         */
        get: function(el) {
            var id, nodes, c, i, len, attr, ret = null;

            if (el) {
                if (typeof el == 'string' || typeof el == 'number') { // id
                    id = el + '';
                    el = document.getElementById(el);
                    attr = (el) ? el.attributes : null;
                    if (el && attr && attr.id && attr.id.value === id) { // IE: avoid false match on "name" attribute
                        return el;
                    } else if (el && document.all) { // filter by name
                        el = null;
                        nodes = document.all[id];
                        if (nodes && nodes.length) {
                            for (i = 0, len = nodes.length; i < len; ++i) {
                                if (nodes[i].id === id) {
                                    return nodes[i];
                                }
                            }
                        }
                    }
                } else if (Y.Element && el instanceof Y.Element) {
                    el = el.get('element');
                } else if (!el.nodeType && 'length' in el) { // array-like 
                    c = [];
                    for (i = 0, len = el.length; i < len; ++i) {
                        c[c.length] = Y.Dom.get(el[i]);
                    }
                    
                    el = c;
                }

                ret = el;
            }

            return ret;
        },
    
        getComputedStyle: function(el, property) {
            if (window[GET_COMPUTED_STYLE]) {
                return el[OWNER_DOCUMENT][DEFAULT_VIEW][GET_COMPUTED_STYLE](el, null)[property];
            } else if (el[CURRENT_STYLE]) {
                return Y.Dom.IE_ComputedStyle.get(el, property);
            }
        },

        /**
         * Normalizes currentStyle and ComputedStyle.
         * @method getStyle
         * @param {String | HTMLElement |Array} el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements.
         * @param {String} property The style property whose value is returned.
         * @return {String | Array} The current value of the style property for the element(s).
         */
        getStyle: function(el, property) {
            return Y.Dom.batch(el, Y.Dom._getStyle, property);
        },

        // branching at load instead of runtime
        _getStyle: function() {
            if (window[GET_COMPUTED_STYLE]) { // W3C DOM method
                return function(el, property) {
                    property = (property === 'float') ? property = 'cssFloat' :
                            Y.Dom._toCamel(property);

                    var value = el.style[property],
                        computed;
                    
                    if (!value) {
                        computed = el[OWNER_DOCUMENT][DEFAULT_VIEW][GET_COMPUTED_STYLE](el, null);
                        if (computed) { // test computed before touching for safari
                            value = computed[property];
                        }
                    }
                    
                    return value;
                };
            } else if (documentElement[CURRENT_STYLE]) {
                return function(el, property) {                         
                    var value;

                    switch(property) {
                        case 'opacity' :// IE opacity uses filter
                            value = 100;
                            try { // will error if no DXImageTransform
                                value = el.filters['DXImageTransform.Microsoft.Alpha'].opacity;

                            } catch(e) {
                                try { // make sure its in the document
                                    value = el.filters('alpha').opacity;
                                } catch(err) {
                                    YAHOO.log('getStyle: IE filter failed',
                                            'error', 'Dom');
                                }
                            }
                            return value / 100;
                        case 'float': // fix reserved word
                            property = 'styleFloat'; // fall through
                        default: 
                            property = Y.Dom._toCamel(property);
                            value = el[CURRENT_STYLE] ? el[CURRENT_STYLE][property] : null;
                            return ( el.style[property] || value );
                    }
                };
            }
        }(),
    
        /**
         * Wrapper for setting style properties of HTMLElements.  Normalizes "opacity" across modern browsers.
         * @method setStyle
         * @param {String | HTMLElement | Array} el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements.
         * @param {String} property The style property to be set.
         * @param {String} val The value to apply to the given property.
         */
        setStyle: function(el, property, val) {
            Y.Dom.batch(el, Y.Dom._setStyle, { prop: property, val: val });
        },

        _setStyle: function() {
            if (!window.getComputedStyle && document.documentElement.currentStyle) {
                return function(el, args) {
                    var property = Y.Dom._toCamel(args.prop),
                        val = args.val;

                    if (el) {
                        switch (property) {
                            case 'opacity':
                                // remove filter if unsetting or full opacity
                                if (val === '' || val === null || val === 1) {
                                    el.style.removeAttribute('filter');
                                } else if ( lang.isString(el.style.filter) ) { // in case not appended
                                    el.style.filter = 'alpha(opacity=' + val * 100 + ')';
                                    
                                    if (!el[CURRENT_STYLE] || !el[CURRENT_STYLE].hasLayout) {
                                        el.style.zoom = 1; // when no layout or cant tell
                                    }
                                }
                                break;
                            case 'float':
                                property = 'styleFloat';
                            default:
                            el.style[property] = val;
                        }
                    } else {
                        YAHOO.log('element ' + el + ' is undefined', 'error', 'Dom');
                    }
                };
            } else {
                return function(el, args) {
                    var property = Y.Dom._toCamel(args.prop),
                        val = args.val;
                    if (el) {
                        if (property == 'float') {
                            property = 'cssFloat';
                        }
                        el.style[property] = val;
                    } else {
                        YAHOO.log('element ' + el + ' is undefined', 'error', 'Dom');
                    }
                };
            }

        }(),
        
        /**
         * Gets the current position of an element based on page coordinates. 
         * Element must be part of the DOM tree to have page coordinates (display:none or elements not appended return false).
         * @method getXY
         * @param {String | HTMLElement | Array} el Accepts a string to use as an ID, an actual DOM
         * reference, or an Array of IDs and/or HTMLElements
         * @return {Array} The XY position of the element(s)
         */
        getXY: function(el) {
            return Y.Dom.batch(el, Y.Dom._getXY);
        },

        _canPosition: function(el) {
            return ( Y.Dom._getStyle(el, 'display') !== 'none' && Y.Dom._inDoc(el) );
        },

        _getXY: function(node) {
            var scrollLeft, scrollTop, box, doc,
                clientTop, clientLeft,
                round = Math.round, // TODO: round?
                xy = false;

            if (Y.Dom._canPosition(node)) {
                box = node[GET_BOUNDING_CLIENT_RECT]();
                doc = node[OWNER_DOCUMENT];
                scrollLeft = Y.Dom.getDocumentScrollLeft(doc);
                scrollTop = Y.Dom.getDocumentScrollTop(doc);
                xy = [box[LEFT], box[TOP]];

                // remove IE default documentElement offset (border)
                if (clientTop || clientLeft) {
                    xy[0] -= clientLeft;
                    xy[1] -= clientTop;
                }

                if ((scrollTop || scrollLeft)) {
                    xy[0] += scrollLeft;
                    xy[1] += scrollTop;
                }

                // gecko may return sub-pixel (non-int) values
                xy[0] = round(xy[0]);
                xy[1] = round(xy[1]);
            } else {
                YAHOO.log('getXY failed: element not positionable (either not in a document or not displayed)', 'error', 'Dom');
            }

            return xy;
        },
        
        /**
         * Gets the current X position of an element based on page coordinates.  The element must be part of the DOM tree to have page coordinates (display:none or elements not appended return false).
         * @method getX
         * @param {String | HTMLElement | Array} el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements
         * @return {Number | Array} The X position of the element(s)
         */
        getX: function(el) {
            var f = function(el) {
                return Y.Dom.getXY(el)[0];
            };
            
            return Y.Dom.batch(el, f, Y.Dom, true);
        },
        
        /**
         * Gets the current Y position of an element based on page coordinates.  Element must be part of the DOM tree to have page coordinates (display:none or elements not appended return false).
         * @method getY
         * @param {String | HTMLElement | Array} el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements
         * @return {Number | Array} The Y position of the element(s)
         */
        getY: function(el) {
            var f = function(el) {
                return Y.Dom.getXY(el)[1];
            };
            
            return Y.Dom.batch(el, f, Y.Dom, true);
        },
        
        /**
         * Set the position of an html element in page coordinates, regardless of how the element is positioned.
         * The element(s) must be part of the DOM tree to have page coordinates (display:none or elements not appended return false).
         * @method setXY
         * @param {String | HTMLElement | Array} el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements
         * @param {Array} pos Contains X & Y values for new position (coordinates are page-based)
         * @param {Boolean} noRetry By default we try and set the position a second time if the first fails
         */
        setXY: function(el, pos, noRetry) {
            Y.Dom.batch(el, Y.Dom._setXY, { pos: pos, noRetry: noRetry });
        },

        _setXY: function(node, args) {
            var pos = Y.Dom._getStyle(node, POSITION),
                setStyle = Y.Dom.setStyle,
                xy = args.pos,
                noRetry = args.noRetry,

                delta = [ // assuming pixels; if not we will have to retry
                    parseInt( Y.Dom.getComputedStyle(node, LEFT), 10 ),
                    parseInt( Y.Dom.getComputedStyle(node, TOP), 10 )
                ],

                currentXY,
                newXY;
        
            currentXY = Y.Dom._getXY(node);

            if (!xy || currentXY === false) { // has to be part of doc to have xy
                YAHOO.log('xy failed: node not available', 'error', 'Node');
                return false; 
            }
            
            if (pos == 'static') { // default to relative
                pos = RELATIVE;
                setStyle(node, POSITION, pos);
            }

            if ( isNaN(delta[0]) ) {// in case of 'auto'
                delta[0] = (pos == RELATIVE) ? 0 : node[OFFSET_LEFT];
            } 
            if ( isNaN(delta[1]) ) { // in case of 'auto'
                delta[1] = (pos == RELATIVE) ? 0 : node[OFFSET_TOP];
            } 

            if (xy[0] !== null) { // from setX
                setStyle(node, LEFT, xy[0] - currentXY[0] + delta[0] + 'px');
            }

            if (xy[1] !== null) { // from setY
                setStyle(node, TOP, xy[1] - currentXY[1] + delta[1] + 'px');
            }
          
            if (!noRetry) {
                newXY = Y.Dom._getXY(node);

                // if retry is true, try one more time if we miss 
               if ( (xy[0] !== null && newXY[0] != xy[0]) || 
                    (xy[1] !== null && newXY[1] != xy[1]) ) {
                   Y.Dom._setXY(node, { pos: xy, noRetry: true });
               }
            }        

            YAHOO.log('setXY setting position to ' + xy, 'info', 'Node');
        },
        
        /**
         * Set the X position of an html element in page coordinates, regardless of how the element is positioned.
         * The element must be part of the DOM tree to have page coordinates (display:none or elements not appended return false).
         * @method setX
         * @param {String | HTMLElement | Array} el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements.
         * @param {Int} x The value to use as the X coordinate for the element(s).
         */
        setX: function(el, x) {
            Y.Dom.setXY(el, [x, null]);
        },
        
        /**
         * Set the Y position of an html element in page coordinates, regardless of how the element is positioned.
         * The element must be part of the DOM tree to have page coordinates (display:none or elements not appended return false).
         * @method setY
         * @param {String | HTMLElement | Array} el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements.
         * @param {Int} x To use as the Y coordinate for the element(s).
         */
        setY: function(el, y) {
            Y.Dom.setXY(el, [null, y]);
        },
        
        /**
         * Returns the region position of the given element.
         * The element must be part of the DOM tree to have a region (display:none or elements not appended return false).
         * @method getRegion
         * @param {String | HTMLElement | Array} el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements.
         * @return {Region | Array} A Region or array of Region instances containing "top, left, bottom, right" member data.
         */
        getRegion: function(el) {
            var f = function(el) {
                var region = false;
                if ( Y.Dom._canPosition(el) ) {
                    region = Y.Region.getRegion(el);
                    YAHOO.log('getRegion returning ' + region, 'info', 'Dom');
                } else {
                    YAHOO.log('getRegion failed: element not positionable (either not in a document or not displayed)', 'error', 'Dom');
                }

                return region;
            };
            
            return Y.Dom.batch(el, f, Y.Dom, true);
        },
        
        /**
         * Returns the width of the client (viewport).
         * @method getClientWidth
         * @deprecated Now using getViewportWidth.  This interface left intact for back compat.
         * @return {Int} The width of the viewable area of the page.
         */
        getClientWidth: function() {
            return Y.Dom.getViewportWidth();
        },
        
        /**
         * Returns the height of the client (viewport).
         * @method getClientHeight
         * @deprecated Now using getViewportHeight.  This interface left intact for back compat.
         * @return {Int} The height of the viewable area of the page.
         */
        getClientHeight: function() {
            return Y.Dom.getViewportHeight();
        },

        /**
         * Returns an array of HTMLElements with the given class.
         * For optimized performance, include a tag and/or root node when possible.
         * Note: This method operates against a live collection, so modifying the 
         * collection in the callback (removing/appending nodes, etc.) will have
         * side effects.  Instead you should iterate the returned nodes array,
         * as you would with the native "getElementsByTagName" method. 
         * @method getElementsByClassName
         * @param {String} className The class name to match against
         * @param {String} tag (optional) The tag name of the elements being collected
         * @param {String | HTMLElement} root (optional) The HTMLElement or an ID to use as the starting point.
         * This element is not included in the className scan.
         * @param {Function} apply (optional) A function to apply to each element when found 
         * @param {Any} o (optional) An optional arg that is passed to the supplied method
         * @param {Boolean} overrides (optional) Whether or not to override the scope of "method" with "o"
         * @return {Array} An array of elements that have the given class name
         */
        getElementsByClassName: function(className, tag, root, apply, o, overrides) {
            tag = tag || '*';
            root = (root) ? Y.Dom.get(root) : null || document; 
            if (!root) {
                return [];
            }

            var nodes = [],
                elements = root.getElementsByTagName(tag),
                hasClass = Y.Dom.hasClass;

            for (var i = 0, len = elements.length; i < len; ++i) {
                if ( hasClass(elements[i], className) ) {
                    nodes[nodes.length] = elements[i];
                }
            }
            
            if (apply) {
                Y.Dom.batch(nodes, apply, o, overrides);
            }

            return nodes;
        },

        /**
         * Determines whether an HTMLElement has the given className.
         * @method hasClass
         * @param {String | HTMLElement | Array} el The element or collection to test
         * @param {String | RegExp} className the class name to search for, or a regular
         * expression to match against
         * @return {Boolean | Array} A boolean value or array of boolean values
         */
        hasClass: function(el, className) {
            return Y.Dom.batch(el, Y.Dom._hasClass, className);
        },

        _hasClass: function(el, className) {
            var ret = false,
                current;
            
            if (el && className) {
                current = Y.Dom._getAttribute(el, CLASS_NAME) || EMPTY;
                if (current) { // convert line breaks, tabs and other delims to spaces
                    current = current.replace(/\s+/g, SPACE);
                }

                if (className.exec) {
                    ret = className.test(current);
                } else {
                    ret = className && (SPACE + current + SPACE).
                        indexOf(SPACE + className + SPACE) > -1;
                }
            } else {
                YAHOO.log('hasClass called with invalid arguments', 'warn', 'Dom');
            }

            return ret;
        },
    
        /**
         * Adds a class name to a given element or collection of elements.
         * @method addClass         
         * @param {String | HTMLElement | Array} el The element or collection to add the class to
         * @param {String} className the class name to add to the class attribute
         * @return {Boolean | Array} A pass/fail boolean or array of booleans
         */
        addClass: function(el, className) {
            return Y.Dom.batch(el, Y.Dom._addClass, className);
        },

        _addClass: function(el, className) {
            var ret = false,
                current;

            if (el && className) {
                current = Y.Dom._getAttribute(el, CLASS_NAME) || EMPTY;
                if ( !Y.Dom._hasClass(el, className) ) {
                    Y.Dom.setAttribute(el, CLASS_NAME, trim(current + SPACE + className));
                    ret = true;
                }
            } else {
                YAHOO.log('addClass called with invalid arguments', 'warn', 'Dom');
            }

            return ret;
        },
    
        /**
         * Removes a class name from a given element or collection of elements.
         * @method removeClass         
         * @param {String | HTMLElement | Array} el The element or collection to remove the class from
         * @param {String} className the class name to remove from the class attribute
         * @return {Boolean | Array} A pass/fail boolean or array of booleans
         */
        removeClass: function(el, className) {
            return Y.Dom.batch(el, Y.Dom._removeClass, className);
        },
        
        _removeClass: function(el, className) {
            var ret = false,
                current,
                newClass,
                attr;

            if (el && className) {
                current = Y.Dom._getAttribute(el, CLASS_NAME) || EMPTY;
                Y.Dom.setAttribute(el, CLASS_NAME, current.replace(Y.Dom._getClassRegex(className), EMPTY));

                newClass = Y.Dom._getAttribute(el, CLASS_NAME);
                if (current !== newClass) { // else nothing changed
                    Y.Dom.setAttribute(el, CLASS_NAME, trim(newClass)); // trim after comparing to current class
                    ret = true;

                    if (Y.Dom._getAttribute(el, CLASS_NAME) === '') { // remove class attribute if empty
                        attr = (el.hasAttribute && el.hasAttribute(_CLASS)) ? _CLASS : CLASS_NAME;
                        YAHOO.log('removeClass removing empty class attribute', 'info', 'Dom');
                        el.removeAttribute(attr);
                    }
                }

            } else {
                YAHOO.log('removeClass called with invalid arguments', 'warn', 'Dom');
            }

            return ret;
        },
        
        /**
         * Replace a class with another class for a given element or collection of elements.
         * If no oldClassName is present, the newClassName is simply added.
         * @method replaceClass  
         * @param {String | HTMLElement | Array} el The element or collection to remove the class from
         * @param {String} oldClassName the class name to be replaced
         * @param {String} newClassName the class name that will be replacing the old class name
         * @return {Boolean | Array} A pass/fail boolean or array of booleans
         */
        replaceClass: function(el, oldClassName, newClassName) {
            return Y.Dom.batch(el, Y.Dom._replaceClass, { from: oldClassName, to: newClassName });
        },

        _replaceClass: function(el, classObj) {
            var className,
                from,
                to,
                ret = false,
                current;

            if (el && classObj) {
                from = classObj.from;
                to = classObj.to;

                if (!to) {
                    ret = false;
                }  else if (!from) { // just add if no "from"
                    ret = Y.Dom._addClass(el, classObj.to);
                } else if (from !== to) { // else nothing to replace
                    // May need to lead with DBLSPACE?
                    current = Y.Dom._getAttribute(el, CLASS_NAME) || EMPTY;
                    className = (SPACE + current.replace(Y.Dom._getClassRegex(from), SPACE + to).
                            replace(/\s+/g, SPACE)). // normalize white space
                            split(Y.Dom._getClassRegex(to));

                    // insert to into what would have been the first occurrence slot
                    className.splice(1, 0, SPACE + to);
                    Y.Dom.setAttribute(el, CLASS_NAME, trim(className.join(EMPTY)));
                    ret = true;
                }
            } else {
                YAHOO.log('replaceClass called with invalid arguments', 'warn', 'Dom');
            }

            return ret;
        },
        
        /**
         * Returns an ID and applies it to the element "el", if provided.
         * @method generateId  
         * @param {String | HTMLElement | Array} el (optional) An optional element array of elements to add an ID to (no ID is added if one is already present).
         * @param {String} prefix (optional) an optional prefix to use (defaults to "yui-gen").
         * @return {String | Array} The generated ID, or array of generated IDs (or original ID if already present on an element)
         */
        generateId: function(el, prefix) {
            prefix = prefix || 'yui-gen';

            var f = function(el) {
                if (el && el.id) { // do not override existing ID
                    YAHOO.log('generateId returning existing id ' + el.id, 'info', 'Dom');
                    return el.id;
                }

                var id = prefix + YAHOO.env._id_counter++;
                YAHOO.log('generateId generating ' + id, 'info', 'Dom');

                if (el) {
                    if (el[OWNER_DOCUMENT] && el[OWNER_DOCUMENT].getElementById(id)) { // in case one already exists
                        // use failed id plus prefix to help ensure uniqueness
                        return Y.Dom.generateId(el, id + prefix);
                    }
                    el.id = id;
                }
                
                return id;
            };

            // batch fails when no element, so just generate and return single ID
            return Y.Dom.batch(el, f, Y.Dom, true) || f.apply(Y.Dom, arguments);
        },
        
        /**
         * Determines whether an HTMLElement is an ancestor of another HTML element in the DOM hierarchy.
         * @method isAncestor
         * @param {String | HTMLElement} haystack The possible ancestor
         * @param {String | HTMLElement} needle The possible descendent
         * @return {Boolean} Whether or not the haystack is an ancestor of needle
         */
        isAncestor: function(haystack, needle) {
            haystack = Y.Dom.get(haystack);
            needle = Y.Dom.get(needle);
            
            var ret = false;

            if ( (haystack && needle) && (haystack[NODE_TYPE] && needle[NODE_TYPE]) ) {
                if (haystack.contains && haystack !== needle) { // contains returns true when equal
                    ret = haystack.contains(needle);
                }
                else if (haystack.compareDocumentPosition) { // gecko
                    ret = !!(haystack.compareDocumentPosition(needle) & 16);
                }
            } else {
                YAHOO.log('isAncestor failed; invalid input: ' + haystack + ',' + needle, 'error', 'Dom');
            }
            YAHOO.log('isAncestor(' + haystack + ',' + needle + ' returning ' + ret, 'info', 'Dom');
            return ret;
        },
        
        /**
         * Determines whether an HTMLElement is present in the current document.
         * @method inDocument         
         * @param {String | HTMLElement} el The element to search for
         * @param {Object} doc An optional document to search, defaults to element's owner document 
         * @return {Boolean} Whether or not the element is present in the current document
         */
        inDocument: function(el, doc) {
            return Y.Dom._inDoc(Y.Dom.get(el), doc);
        },

        _inDoc: function(el, doc) {
            var ret = false;
            if (el && el[TAG_NAME]) {
                doc = doc || el[OWNER_DOCUMENT]; 
                ret = Y.Dom.isAncestor(doc[DOCUMENT_ELEMENT], el);
            } else {
                YAHOO.log('inDocument failed: invalid input', 'error', 'Dom');
            }
            return ret;
        },
        
        /**
         * Returns an array of HTMLElements that pass the test applied by supplied boolean method.
         * For optimized performance, include a tag and/or root node when possible.
         * Note: This method operates against a live collection, so modifying the 
         * collection in the callback (removing/appending nodes, etc.) will have
         * side effects.  Instead you should iterate the returned nodes array,
         * as you would with the native "getElementsByTagName" method. 
         * @method getElementsBy
         * @param {Function} method - A boolean method for testing elements which receives the element as its only argument.
         * @param {String} tag (optional) The tag name of the elements being collected
         * @param {String | HTMLElement} root (optional) The HTMLElement or an ID to use as the starting point 
         * @param {Function} apply (optional) A function to apply to each element when found 
         * @param {Any} o (optional) An optional arg that is passed to the supplied method
         * @param {Boolean} overrides (optional) Whether or not to override the scope of "method" with "o"
         * @return {Array} Array of HTMLElements
         */
        getElementsBy: function(method, tag, root, apply, o, overrides, firstOnly) {
            tag = tag || '*';
            root = (root) ? Y.Dom.get(root) : null || document; 

                var ret = (firstOnly) ? null : [],
                    elements;
            
            // in case Dom.get() returns null
            if (root) {
                elements = root.getElementsByTagName(tag);
                for (var i = 0, len = elements.length; i < len; ++i) {
                    if ( method(elements[i]) ) {
                        if (firstOnly) {
                            ret = elements[i]; 
                            break;
                        } else {
                            ret[ret.length] = elements[i];
                        }
                    }
                }

                if (apply) {
                    Y.Dom.batch(ret, apply, o, overrides);
                }
            }

            YAHOO.log('getElementsBy returning ' + ret, 'info', 'Dom');
            
            return ret;
        },
        
        /**
         * Returns the first HTMLElement that passes the test applied by the supplied boolean method.
         * @method getElementBy
         * @param {Function} method - A boolean method for testing elements which receives the element as its only argument.
         * @param {String} tag (optional) The tag name of the elements being collected
         * @param {String | HTMLElement} root (optional) The HTMLElement or an ID to use as the starting point 
         * @return {HTMLElement}
         */
        getElementBy: function(method, tag, root) {
            return Y.Dom.getElementsBy(method, tag, root, null, null, null, true); 
        },

        /**
         * Runs the supplied method against each item in the Collection/Array.
         * The method is called with the element(s) as the first arg, and the optional param as the second ( method(el, o) ).
         * @method batch
         * @param {String | HTMLElement | Array} el (optional) An element or array of elements to apply the method to
         * @param {Function} method The method to apply to the element(s)
         * @param {Any} o (optional) An optional arg that is passed to the supplied method
         * @param {Boolean} overrides (optional) Whether or not to override the scope of "method" with "o"
         * @return {Any | Array} The return value(s) from the supplied method
         */
        batch: function(el, method, o, overrides) {
            var collection = [],
                scope = (overrides) ? o : null;
                
            el = (el && (el[TAG_NAME] || el.item)) ? el : Y.Dom.get(el); // skip get() when possible
            if (el && method) {
                if (el[TAG_NAME] || el.length === undefined) { // element or not array-like 
                    return method.call(scope, el, o);
                } 

                for (var i = 0; i < el.length; ++i) {
                    collection[collection.length] = method.call(scope || el[i], el[i], o);
                }
            } else {
                YAHOO.log('batch called with invalid arguments', 'warn', 'Dom');
                return false;
            } 
            return collection;
        },
        
        /**
         * Returns the height of the document.
         * @method getDocumentHeight
         * @return {Int} The height of the actual document (which includes the body and its margin).
         */
        getDocumentHeight: function() {
            var scrollHeight = (document[COMPAT_MODE] != CSS1_COMPAT || isSafari) ? document.body.scrollHeight : documentElement.scrollHeight,
                h = Math.max(scrollHeight, Y.Dom.getViewportHeight());

            YAHOO.log('getDocumentHeight returning ' + h, 'info', 'Dom');
            return h;
        },
        
        /**
         * Returns the width of the document.
         * @method getDocumentWidth
         * @return {Int} The width of the actual document (which includes the body and its margin).
         */
        getDocumentWidth: function() {
            var scrollWidth = (document[COMPAT_MODE] != CSS1_COMPAT || isSafari) ? document.body.scrollWidth : documentElement.scrollWidth,
                w = Math.max(scrollWidth, Y.Dom.getViewportWidth());
            YAHOO.log('getDocumentWidth returning ' + w, 'info', 'Dom');
            return w;
        },

        /**
         * Returns the current height of the viewport.
         * @method getViewportHeight
         * @return {Int} The height of the viewable area of the page (excludes scrollbars).
         */
        getViewportHeight: function() {
            var height = self.innerHeight, // Safari, Opera
                mode = document[COMPAT_MODE];
        
            if ( (mode || isIE) && !isOpera ) { // IE, Gecko
                height = (mode == CSS1_COMPAT) ?
                        documentElement.clientHeight : // Standards
                        document.body.clientHeight; // Quirks
            }
        
            YAHOO.log('getViewportHeight returning ' + height, 'info', 'Dom');
            return height;
        },
        
        /**
         * Returns the current width of the viewport.
         * @method getViewportWidth
         * @return {Int} The width of the viewable area of the page (excludes scrollbars).
         */
        
        getViewportWidth: function() {
            var width = self.innerWidth,  // Safari
                mode = document[COMPAT_MODE];
            
            if (mode || isIE) { // IE, Gecko, Opera
                width = (mode == CSS1_COMPAT) ?
                        documentElement.clientWidth : // Standards
                        document.body.clientWidth; // Quirks
            }
            YAHOO.log('getViewportWidth returning ' + width, 'info', 'Dom');
            return width;
        },

       /**
         * Returns the nearest ancestor that passes the test applied by supplied boolean method.
         * For performance reasons, IDs are not accepted and argument validation omitted.
         * @method getAncestorBy
         * @param {HTMLElement} node The HTMLElement to use as the starting point 
         * @param {Function} method - A boolean method for testing elements which receives the element as its only argument.
         * @return {Object} HTMLElement or null if not found
         */
        getAncestorBy: function(node, method) {
            while ( (node = node[PARENT_NODE]) ) { // NOTE: assignment
                if ( Y.Dom._testElement(node, method) ) {
                    YAHOO.log('getAncestorBy returning ' + node, 'info', 'Dom');
                    return node;
                }
            } 

            YAHOO.log('getAncestorBy returning null (no ancestor passed test)', 'error', 'Dom');
            return null;
        },
        
        /**
         * Returns the nearest ancestor with the given className.
         * @method getAncestorByClassName
         * @param {String | HTMLElement} node The HTMLElement or an ID to use as the starting point 
         * @param {String} className
         * @return {Object} HTMLElement
         */
        getAncestorByClassName: function(node, className) {
            node = Y.Dom.get(node);
            if (!node) {
                YAHOO.log('getAncestorByClassName failed: invalid node argument', 'error', 'Dom');
                return null;
            }
            var method = function(el) { return Y.Dom.hasClass(el, className); };
            return Y.Dom.getAncestorBy(node, method);
        },

        /**
         * Returns the nearest ancestor with the given tagName.
         * @method getAncestorByTagName
         * @param {String | HTMLElement} node The HTMLElement or an ID to use as the starting point 
         * @param {String} tagName
         * @return {Object} HTMLElement
         */
        getAncestorByTagName: function(node, tagName) {
            node = Y.Dom.get(node);
            if (!node) {
                YAHOO.log('getAncestorByTagName failed: invalid node argument', 'error', 'Dom');
                return null;
            }
            var method = function(el) {
                 return el[TAG_NAME] && el[TAG_NAME].toUpperCase() == tagName.toUpperCase();
            };

            return Y.Dom.getAncestorBy(node, method);
        },

        /**
         * Returns the previous sibling that is an HTMLElement. 
         * For performance reasons, IDs are not accepted and argument validation omitted.
         * Returns the nearest HTMLElement sibling if no method provided.
         * @method getPreviousSiblingBy
         * @param {HTMLElement} node The HTMLElement to use as the starting point 
         * @param {Function} method A boolean function used to test siblings
         * that receives the sibling node being tested as its only argument
         * @return {Object} HTMLElement or null if not found
         */
        getPreviousSiblingBy: function(node, method) {
            while (node) {
                node = node.previousSibling;
                if ( Y.Dom._testElement(node, method) ) {
                    return node;
                }
            }
            return null;
        }, 

        /**
         * Returns the previous sibling that is an HTMLElement 
         * @method getPreviousSibling
         * @param {String | HTMLElement} node The HTMLElement or an ID to use as the starting point 
         * @return {Object} HTMLElement or null if not found
         */
        getPreviousSibling: function(node) {
            node = Y.Dom.get(node);
            if (!node) {
                YAHOO.log('getPreviousSibling failed: invalid node argument', 'error', 'Dom');
                return null;
            }

            return Y.Dom.getPreviousSiblingBy(node);
        }, 

        /**
         * Returns the next HTMLElement sibling that passes the boolean method. 
         * For performance reasons, IDs are not accepted and argument validation omitted.
         * Returns the nearest HTMLElement sibling if no method provided.
         * @method getNextSiblingBy
         * @param {HTMLElement} node The HTMLElement to use as the starting point 
         * @param {Function} method A boolean function used to test siblings
         * that receives the sibling node being tested as its only argument
         * @return {Object} HTMLElement or null if not found
         */
        getNextSiblingBy: function(node, method) {
            while (node) {
                node = node.nextSibling;
                if ( Y.Dom._testElement(node, method) ) {
                    return node;
                }
            }
            return null;
        }, 

        /**
         * Returns the next sibling that is an HTMLElement 
         * @method getNextSibling
         * @param {String | HTMLElement} node The HTMLElement or an ID to use as the starting point 
         * @return {Object} HTMLElement or null if not found
         */
        getNextSibling: function(node) {
            node = Y.Dom.get(node);
            if (!node) {
                YAHOO.log('getNextSibling failed: invalid node argument', 'error', 'Dom');
                return null;
            }

            return Y.Dom.getNextSiblingBy(node);
        }, 

        /**
         * Returns the first HTMLElement child that passes the test method. 
         * @method getFirstChildBy
         * @param {HTMLElement} node The HTMLElement to use as the starting point 
         * @param {Function} method A boolean function used to test children
         * that receives the node being tested as its only argument
         * @return {Object} HTMLElement or null if not found
         */
        getFirstChildBy: function(node, method) {
            var child = ( Y.Dom._testElement(node.firstChild, method) ) ? node.firstChild : null;
            return child || Y.Dom.getNextSiblingBy(node.firstChild, method);
        }, 

        /**
         * Returns the first HTMLElement child. 
         * @method getFirstChild
         * @param {String | HTMLElement} node The HTMLElement or an ID to use as the starting point 
         * @return {Object} HTMLElement or null if not found
         */
        getFirstChild: function(node, method) {
            node = Y.Dom.get(node);
            if (!node) {
                YAHOO.log('getFirstChild failed: invalid node argument', 'error', 'Dom');
                return null;
            }
            return Y.Dom.getFirstChildBy(node);
        }, 

        /**
         * Returns the last HTMLElement child that passes the test method. 
         * @method getLastChildBy
         * @param {HTMLElement} node The HTMLElement to use as the starting point 
         * @param {Function} method A boolean function used to test children
         * that receives the node being tested as its only argument
         * @return {Object} HTMLElement or null if not found
         */
        getLastChildBy: function(node, method) {
            if (!node) {
                YAHOO.log('getLastChild failed: invalid node argument', 'error', 'Dom');
                return null;
            }
            var child = ( Y.Dom._testElement(node.lastChild, method) ) ? node.lastChild : null;
            return child || Y.Dom.getPreviousSiblingBy(node.lastChild, method);
        }, 

        /**
         * Returns the last HTMLElement child. 
         * @method getLastChild
         * @param {String | HTMLElement} node The HTMLElement or an ID to use as the starting point 
         * @return {Object} HTMLElement or null if not found
         */
        getLastChild: function(node) {
            node = Y.Dom.get(node);
            return Y.Dom.getLastChildBy(node);
        }, 

        /**
         * Returns an array of HTMLElement childNodes that pass the test method. 
         * @method getChildrenBy
         * @param {HTMLElement} node The HTMLElement to start from
         * @param {Function} method A boolean function used to test children
         * that receives the node being tested as its only argument
         * @return {Array} A static array of HTMLElements
         */
        getChildrenBy: function(node, method) {
            var child = Y.Dom.getFirstChildBy(node, method),
                children = child ? [child] : [];

            Y.Dom.getNextSiblingBy(child, function(node) {
                if ( !method || method(node) ) {
                    children[children.length] = node;
                }
                return false; // fail test to collect all children
            });

            return children;
        },
 
        /**
         * Returns an array of HTMLElement childNodes. 
         * @method getChildren
         * @param {String | HTMLElement} node The HTMLElement or an ID to use as the starting point 
         * @return {Array} A static array of HTMLElements
         */
        getChildren: function(node) {
            node = Y.Dom.get(node);
            if (!node) {
                YAHOO.log('getChildren failed: invalid node argument', 'error', 'Dom');
            }

            return Y.Dom.getChildrenBy(node);
        },

        /**
         * Returns the left scroll value of the document 
         * @method getDocumentScrollLeft
         * @param {HTMLDocument} document (optional) The document to get the scroll value of
         * @return {Int}  The amount that the document is scrolled to the left
         */
        getDocumentScrollLeft: function(doc) {
            doc = doc || document;
            return Math.max(doc[DOCUMENT_ELEMENT].scrollLeft, doc.body.scrollLeft);
        }, 

        /**
         * Returns the top scroll value of the document 
         * @method getDocumentScrollTop
         * @param {HTMLDocument} document (optional) The document to get the scroll value of
         * @return {Int}  The amount that the document is scrolled to the top
         */
        getDocumentScrollTop: function(doc) {
            doc = doc || document;
            return Math.max(doc[DOCUMENT_ELEMENT].scrollTop, doc.body.scrollTop);
        },

        /**
         * Inserts the new node as the previous sibling of the reference node 
         * @method insertBefore
         * @param {String | HTMLElement} newNode The node to be inserted
         * @param {String | HTMLElement} referenceNode The node to insert the new node before 
         * @return {HTMLElement} The node that was inserted (or null if insert fails) 
         */
        insertBefore: function(newNode, referenceNode) {
            newNode = Y.Dom.get(newNode); 
            referenceNode = Y.Dom.get(referenceNode); 
            
            if (!newNode || !referenceNode || !referenceNode[PARENT_NODE]) {
                YAHOO.log('insertAfter failed: missing or invalid arg(s)', 'error', 'Dom');
                return null;
            }       

            return referenceNode[PARENT_NODE].insertBefore(newNode, referenceNode); 
        },

        /**
         * Inserts the new node as the next sibling of the reference node 
         * @method insertAfter
         * @param {String | HTMLElement} newNode The node to be inserted
         * @param {String | HTMLElement} referenceNode The node to insert the new node after 
         * @return {HTMLElement} The node that was inserted (or null if insert fails) 
         */
        insertAfter: function(newNode, referenceNode) {
            newNode = Y.Dom.get(newNode); 
            referenceNode = Y.Dom.get(referenceNode); 
            
            if (!newNode || !referenceNode || !referenceNode[PARENT_NODE]) {
                YAHOO.log('insertAfter failed: missing or invalid arg(s)', 'error', 'Dom');
                return null;
            }       

            if (referenceNode.nextSibling) {
                return referenceNode[PARENT_NODE].insertBefore(newNode, referenceNode.nextSibling); 
            } else {
                return referenceNode[PARENT_NODE].appendChild(newNode);
            }
        },

        /**
         * Creates a Region based on the viewport relative to the document. 
         * @method getClientRegion
         * @return {Region} A Region object representing the viewport which accounts for document scroll
         */
        getClientRegion: function() {
            var t = Y.Dom.getDocumentScrollTop(),
                l = Y.Dom.getDocumentScrollLeft(),
                r = Y.Dom.getViewportWidth() + l,
                b = Y.Dom.getViewportHeight() + t;

            return new Y.Region(t, r, b, l);
        },

        /**
         * Provides a normalized attribute interface. 
         * @method setAttribute
         * @param {String | HTMLElement} el The target element for the attribute.
         * @param {String} attr The attribute to set.
         * @param {String} val The value of the attribute.
         */
        setAttribute: function(el, attr, val) {
            Y.Dom.batch(el, Y.Dom._setAttribute, { attr: attr, val: val });
        },

        _setAttribute: function(el, args) {
            var attr = Y.Dom._toCamel(args.attr),
                val = args.val;

            if (el && el.setAttribute) {
                // set as DOM property, except for BUTTON, which errors on property setter
                if (Y.Dom.DOT_ATTRIBUTES[attr] && el.tagName && el.tagName != 'BUTTON') {
                    el[attr] = val;
                } else {
                    attr = Y.Dom.CUSTOM_ATTRIBUTES[attr] || attr;
                    el.setAttribute(attr, val);
                }
            } else {
                YAHOO.log('setAttribute method not available for ' + el, 'error', 'Dom');
            }
        },

        /**
         * Provides a normalized attribute interface. 
         * @method getAttribute
         * @param {String | HTMLElement} el The target element for the attribute.
         * @param {String} attr The attribute to get.
         * @return {String} The current value of the attribute. 
         */
        getAttribute: function(el, attr) {
            return Y.Dom.batch(el, Y.Dom._getAttribute, attr);
        },


        _getAttribute: function(el, attr) {
            var val;
            attr = Y.Dom.CUSTOM_ATTRIBUTES[attr] || attr;

            if (Y.Dom.DOT_ATTRIBUTES[attr]) {
                val = el[attr];
            } else if (el && 'getAttribute' in el) {
                if (/^(?:href|src)$/.test(attr)) { // use IE flag to return exact value
                    val = el.getAttribute(attr, 2);
                } else {
                    val = el.getAttribute(attr);
                }
            } else {
                YAHOO.log('getAttribute method not available for ' + el, 'error', 'Dom');
            }

            return val;
        },

        _toCamel: function(property) {
            var c = propertyCache;

            function tU(x,l) {
                return l.toUpperCase();
            }

            return c[property] || (c[property] = property.indexOf('-') === -1 ? 
                                    property :
                                    property.replace( /-([a-z])/gi, tU ));
        },

        _getClassRegex: function(className) {
            var re;
            if (className !== undefined) { // allow empty string to pass
                if (className.exec) { // already a RegExp
                    re = className;
                } else {
                    re = reCache[className];
                    if (!re) {
                        // escape special chars (".", "[", etc.)
                        className = className.replace(Y.Dom._patterns.CLASS_RE_TOKENS, '\\$1');
                        className = className.replace(/\s+/g, SPACE); // convert line breaks and other delims
                        re = reCache[className] = new RegExp(C_START + className + C_END, G);
                    }
                }
            }
            return re;
        },

        _patterns: {
            ROOT_TAG: /^body|html$/i, // body for quirks mode, html for standards,
            CLASS_RE_TOKENS: /([\.\(\)\^\$\*\+\?\|\[\]\{\}\\])/g
        },


        _testElement: function(node, method) {
            return node && node[NODE_TYPE] == 1 && ( !method || method(node) );
        },

        _calcBorders: function(node, xy2) {
            var t = parseInt(Y.Dom[GET_COMPUTED_STYLE](node, BORDER_TOP_WIDTH), 10) || 0,
                l = parseInt(Y.Dom[GET_COMPUTED_STYLE](node, BORDER_LEFT_WIDTH), 10) || 0;
            if (isGecko) {
                if (RE_TABLE.test(node[TAG_NAME])) {
                    t = 0;
                    l = 0;
                }
            }
            xy2[0] += l;
            xy2[1] += t;
            return xy2;
        }
    };
        
    var _getComputedStyle = Y.Dom[GET_COMPUTED_STYLE];
    // fix opera computedStyle default color unit (convert to rgb)
    if (UA.opera) {
        Y.Dom[GET_COMPUTED_STYLE] = function(node, att) {
            var val = _getComputedStyle(node, att);
            if (RE_COLOR.test(att)) {
                val = Y.Dom.Color.toRGB(val);
            }

            return val;
        };

    }

    // safari converts transparent to rgba(), others use "transparent"
    if (UA.webkit) {
        Y.Dom[GET_COMPUTED_STYLE] = function(node, att) {
            var val = _getComputedStyle(node, att);

            if (val === 'rgba(0, 0, 0, 0)') {
                val = 'transparent'; 
            }

            return val;
        };

    }

    if (UA.ie && UA.ie >= 8) {
        Y.Dom.DOT_ATTRIBUTES.type = true; // IE 8 errors on input.setAttribute('type')
    }
})();
/**
 * A region is a representation of an object on a grid.  It is defined
 * by the top, right, bottom, left extents, so is rectangular by default.  If 
 * other shapes are required, this class could be extended to support it.
 * @namespace YAHOO.util
 * @class Region
 * @param {Int} t the top extent
 * @param {Int} r the right extent
 * @param {Int} b the bottom extent
 * @param {Int} l the left extent
 * @constructor
 */
YAHOO.util.Region = function(t, r, b, l) {

    /**
     * The region's top extent
     * @property top
     * @type Int
     */
    this.top = t;
    
    /**
     * The region's top extent
     * @property y
     * @type Int
     */
    this.y = t;
    
    /**
     * The region's top extent as index, for symmetry with set/getXY
     * @property 1
     * @type Int
     */
    this[1] = t;

    /**
     * The region's right extent
     * @property right
     * @type int
     */
    this.right = r;

    /**
     * The region's bottom extent
     * @property bottom
     * @type Int
     */
    this.bottom = b;

    /**
     * The region's left extent
     * @property left
     * @type Int
     */
    this.left = l;
    
    /**
     * The region's left extent
     * @property x
     * @type Int
     */
    this.x = l;
    
    /**
     * The region's left extent as index, for symmetry with set/getXY
     * @property 0
     * @type Int
     */
    this[0] = l;

    /**
     * The region's total width 
     * @property width 
     * @type Int
     */
    this.width = this.right - this.left;

    /**
     * The region's total height 
     * @property height 
     * @type Int
     */
    this.height = this.bottom - this.top;
};

/**
 * Returns true if this region contains the region passed in
 * @method contains
 * @param  {Region}  region The region to evaluate
 * @return {Boolean}        True if the region is contained with this region, 
 *                          else false
 */
YAHOO.util.Region.prototype.contains = function(region) {
    return ( region.left   >= this.left   && 
             region.right  <= this.right  && 
             region.top    >= this.top    && 
             region.bottom <= this.bottom    );

    // this.logger.debug("does " + this + " contain " + region + " ... " + ret);
};

/**
 * Returns the area of the region
 * @method getArea
 * @return {Int} the region's area
 */
YAHOO.util.Region.prototype.getArea = function() {
    return ( (this.bottom - this.top) * (this.right - this.left) );
};

/**
 * Returns the region where the passed in region overlaps with this one
 * @method intersect
 * @param  {Region} region The region that intersects
 * @return {Region}        The overlap region, or null if there is no overlap
 */
YAHOO.util.Region.prototype.intersect = function(region) {
    var t = Math.max( this.top,    region.top    ),
        r = Math.min( this.right,  region.right  ),
        b = Math.min( this.bottom, region.bottom ),
        l = Math.max( this.left,   region.left   );
    
    if (b >= t && r >= l) {
        return new YAHOO.util.Region(t, r, b, l);
    } else {
        return null;
    }
};

/**
 * Returns the region representing the smallest region that can contain both
 * the passed in region and this region.
 * @method union
 * @param  {Region} region The region that to create the union with
 * @return {Region}        The union region
 */
YAHOO.util.Region.prototype.union = function(region) {
    var t = Math.min( this.top,    region.top    ),
        r = Math.max( this.right,  region.right  ),
        b = Math.max( this.bottom, region.bottom ),
        l = Math.min( this.left,   region.left   );

    return new YAHOO.util.Region(t, r, b, l);
};

/**
 * toString
 * @method toString
 * @return string the region properties
 */
YAHOO.util.Region.prototype.toString = function() {
    return ( "Region {"    +
             "top: "       + this.top    + 
             ", right: "   + this.right  + 
             ", bottom: "  + this.bottom + 
             ", left: "    + this.left   + 
             ", height: "  + this.height + 
             ", width: "    + this.width   + 
             "}" );
};

/**
 * Returns a region that is occupied by the DOM element
 * @method getRegion
 * @param  {HTMLElement} el The element
 * @return {Region}         The region that the element occupies
 * @static
 */
YAHOO.util.Region.getRegion = function(el) {
    var p = YAHOO.util.Dom.getXY(el),
        t = p[1],
        r = p[0] + el.offsetWidth,
        b = p[1] + el.offsetHeight,
        l = p[0];

    return new YAHOO.util.Region(t, r, b, l);
};

/////////////////////////////////////////////////////////////////////////////


/**
 * A point is a region that is special in that it represents a single point on 
 * the grid.
 * @namespace YAHOO.util
 * @class Point
 * @param {Int} x The X position of the point
 * @param {Int} y The Y position of the point
 * @constructor
 * @extends YAHOO.util.Region
 */
YAHOO.util.Point = function(x, y) {
   if (YAHOO.lang.isArray(x)) { // accept input from Dom.getXY, Event.getXY, etc.
      y = x[1]; // dont blow away x yet
      x = x[0];
   }
 
    YAHOO.util.Point.superclass.constructor.call(this, y, x, y, x);
};

YAHOO.extend(YAHOO.util.Point, YAHOO.util.Region);

(function() {
/**
 * Internal methods used to add style management functionality to DOM.
 * @module dom
 * @class IEStyle
 * @namespace YAHOO.util.Dom
 */

var Y = YAHOO.util, 
    CLIENT_TOP = 'clientTop',
    CLIENT_LEFT = 'clientLeft',
    PARENT_NODE = 'parentNode',
    RIGHT = 'right',
    HAS_LAYOUT = 'hasLayout',
    PX = 'px',
    OPACITY = 'opacity',
    AUTO = 'auto',
    BORDER_LEFT_WIDTH = 'borderLeftWidth',
    BORDER_TOP_WIDTH = 'borderTopWidth',
    BORDER_RIGHT_WIDTH = 'borderRightWidth',
    BORDER_BOTTOM_WIDTH = 'borderBottomWidth',
    VISIBLE = 'visible',
    TRANSPARENT = 'transparent',
    HEIGHT = 'height',
    WIDTH = 'width',
    STYLE = 'style',
    CURRENT_STYLE = 'currentStyle',

// IE getComputedStyle
// TODO: unit-less lineHeight (e.g. 1.22)
    re_size = /^width|height$/,
    re_unit = /^(\d[.\d]*)+(em|ex|px|gd|rem|vw|vh|vm|ch|mm|cm|in|pt|pc|deg|rad|ms|s|hz|khz|%){1}?/i,

    ComputedStyle = {
        /**
        * @method get
        * @description Method used by DOM to get style information for IE
        * @param {HTMLElement} el The element to check
        * @param {String} property The property to check
        * @returns {String} The computed style
        */
        get: function(el, property) {
            var value = '',
                current = el[CURRENT_STYLE][property];

            if (property === OPACITY) {
                value = Y.Dom.getStyle(el, OPACITY);        
            } else if (!current || (current.indexOf && current.indexOf(PX) > -1)) { // no need to convert
                value = current;
            } else if (Y.Dom.IE_COMPUTED[property]) { // use compute function
                value = Y.Dom.IE_COMPUTED[property](el, property);
            } else if (re_unit.test(current)) { // convert to pixel
                value = Y.Dom.IE.ComputedStyle.getPixel(el, property);
            } else {
                value = current;
            }

            return value;
        },
        /**
        * @method getOffset
        * @description Determine the offset of an element
        * @param {HTMLElement} el The element to check
        * @param {String} prop The property to check.
        * @return {String} The offset
        */
        getOffset: function(el, prop) {
            var current = el[CURRENT_STYLE][prop],                        // value of "width", "top", etc.
                capped = prop.charAt(0).toUpperCase() + prop.substr(1), // "Width", "Top", etc.
                offset = 'offset' + capped,                             // "offsetWidth", "offsetTop", etc.
                pixel = 'pixel' + capped,                               // "pixelWidth", "pixelTop", etc.
                value = '',
                actual;

            if (current == AUTO) {
                actual = el[offset]; // offsetHeight/Top etc.
                if (actual === undefined) { // likely "right" or "bottom"
                    value = 0;
                }

                value = actual;
                if (re_size.test(prop)) { // account for box model diff 
                    el[STYLE][prop] = actual; 
                    if (el[offset] > actual) {
                        // the difference is padding + border (works in Standards & Quirks modes)
                        value = actual - (el[offset] - actual);
                    }
                    el[STYLE][prop] = AUTO; // revert to auto
                }
            } else { // convert units to px
                if (!el[STYLE][pixel] && !el[STYLE][prop]) { // need to map style.width to currentStyle (no currentStyle.pixelWidth)
                    el[STYLE][prop] = current;              // no style.pixelWidth if no style.width
                }
                value = el[STYLE][pixel];
            }
            return value + PX;
        },
        /**
        * @method getBorderWidth
        * @description Try to determine the width of an elements border
        * @param {HTMLElement} el The element to check
        * @param {String} property The property to check
        * @return {String} The elements border width
        */
        getBorderWidth: function(el, property) {
            // clientHeight/Width = paddingBox (e.g. offsetWidth - borderWidth)
            // clientTop/Left = borderWidth
            var value = null;
            if (!el[CURRENT_STYLE][HAS_LAYOUT]) { // TODO: unset layout?
                el[STYLE].zoom = 1; // need layout to measure client
            }

            switch(property) {
                case BORDER_TOP_WIDTH:
                    value = el[CLIENT_TOP];
                    break;
                case BORDER_BOTTOM_WIDTH:
                    value = el.offsetHeight - el.clientHeight - el[CLIENT_TOP];
                    break;
                case BORDER_LEFT_WIDTH:
                    value = el[CLIENT_LEFT];
                    break;
                case BORDER_RIGHT_WIDTH:
                    value = el.offsetWidth - el.clientWidth - el[CLIENT_LEFT];
                    break;
            }
            return value + PX;
        },
        /**
        * @method getPixel
        * @description Get the pixel value from a style property
        * @param {HTMLElement} node The element to check
        * @param {String} att The attribute to check
        * @return {String} The pixel value
        */
        getPixel: function(node, att) {
            // use pixelRight to convert to px
            var val = null,
                styleRight = node[CURRENT_STYLE][RIGHT],
                current = node[CURRENT_STYLE][att];

            node[STYLE][RIGHT] = current;
            val = node[STYLE].pixelRight;
            node[STYLE][RIGHT] = styleRight; // revert

            return val + PX;
        },

        /**
        * @method getMargin
        * @description Get the margin value from a style property
        * @param {HTMLElement} node The element to check
        * @param {String} att The attribute to check
        * @return {String} The margin value
        */
        getMargin: function(node, att) {
            var val;
            if (node[CURRENT_STYLE][att] == AUTO) {
                val = 0 + PX;
            } else {
                val = Y.Dom.IE.ComputedStyle.getPixel(node, att);
            }
            return val;
        },

        /**
        * @method getVisibility
        * @description Get the visibility of an element
        * @param {HTMLElement} node The element to check
        * @param {String} att The attribute to check
        * @return {String} The value
        */
        getVisibility: function(node, att) {
            var current;
            while ( (current = node[CURRENT_STYLE]) && current[att] == 'inherit') { // NOTE: assignment in test
                node = node[PARENT_NODE];
            }
            return (current) ? current[att] : VISIBLE;
        },

        /**
        * @method getColor
        * @description Get the color of an element
        * @param {HTMLElement} node The element to check
        * @param {String} att The attribute to check
        * @return {String} The value
        */
        getColor: function(node, att) {
            return Y.Dom.Color.toRGB(node[CURRENT_STYLE][att]) || TRANSPARENT;
        },

        /**
        * @method getBorderColor
        * @description Get the bordercolor of an element
        * @param {HTMLElement} node The element to check
        * @param {String} att The attribute to check
        * @return {String} The value
        */
        getBorderColor: function(node, att) {
            var current = node[CURRENT_STYLE],
                val = current[att] || current.color;
            return Y.Dom.Color.toRGB(Y.Dom.Color.toHex(val));
        }

    },

//fontSize: getPixelFont,
    IEComputed = {};

IEComputed.top = IEComputed.right = IEComputed.bottom = IEComputed.left = 
        IEComputed[WIDTH] = IEComputed[HEIGHT] = ComputedStyle.getOffset;

IEComputed.color = ComputedStyle.getColor;

IEComputed[BORDER_TOP_WIDTH] = IEComputed[BORDER_RIGHT_WIDTH] =
        IEComputed[BORDER_BOTTOM_WIDTH] = IEComputed[BORDER_LEFT_WIDTH] =
        ComputedStyle.getBorderWidth;

IEComputed.marginTop = IEComputed.marginRight = IEComputed.marginBottom =
        IEComputed.marginLeft = ComputedStyle.getMargin;

IEComputed.visibility = ComputedStyle.getVisibility;
IEComputed.borderColor = IEComputed.borderTopColor =
        IEComputed.borderRightColor = IEComputed.borderBottomColor =
        IEComputed.borderLeftColor = ComputedStyle.getBorderColor;

Y.Dom.IE_COMPUTED = IEComputed;
Y.Dom.IE_ComputedStyle = ComputedStyle;
})();
(function() {
/**
 * Add style management functionality to DOM.
 * @module dom
 * @class Color
 * @namespace YAHOO.util.Dom
 */

var TO_STRING = 'toString',
    PARSE_INT = parseInt,
    RE = RegExp,
    Y = YAHOO.util;

Y.Dom.Color = {
    /**
    * @property KEYWORDS
    * @type Object
    * @description Color keywords used when converting to Hex
    */
    KEYWORDS: {
        black: '000',
        silver: 'c0c0c0',
        gray: '808080',
        white: 'fff',
        maroon: '800000',
        red: 'f00',
        purple: '800080',
        fuchsia: 'f0f',
        green: '008000',
        lime: '0f0',
        olive: '808000',
        yellow: 'ff0',
        navy: '000080',
        blue: '00f',
        teal: '008080',
        aqua: '0ff'
    },
    /**
    * @property re_RGB
    * @private
    * @type Regex
    * @description Regex to parse rgb(0,0,0) formatted strings
    */
    re_RGB: /^rgb\(([0-9]+)\s*,\s*([0-9]+)\s*,\s*([0-9]+)\)$/i,
    /**
    * @property re_hex
    * @private
    * @type Regex
    * @description Regex to parse #123456 formatted strings
    */
    re_hex: /^#?([0-9A-F]{2})([0-9A-F]{2})([0-9A-F]{2})$/i,
    /**
    * @property re_hex3
    * @private
    * @type Regex
    * @description Regex to parse #123 formatted strings
    */
    re_hex3: /([0-9A-F])/gi,
    /**
    * @method toRGB
    * @description Converts a hex or color string to an rgb string: rgb(0,0,0)
    * @param {String} val The string to convert to RGB notation.
    * @returns {String} The converted string
    */
    toRGB: function(val) {
        if (!Y.Dom.Color.re_RGB.test(val)) {
            val = Y.Dom.Color.toHex(val);
        }

        if(Y.Dom.Color.re_hex.exec(val)) {
            val = 'rgb(' + [
                PARSE_INT(RE.$1, 16),
                PARSE_INT(RE.$2, 16),
                PARSE_INT(RE.$3, 16)
            ].join(', ') + ')';
        }
        return val;
    },
    /**
    * @method toHex
    * @description Converts an rgb or color string to a hex string: #123456
    * @param {String} val The string to convert to hex notation.
    * @returns {String} The converted string
    */
    toHex: function(val) {
        val = Y.Dom.Color.KEYWORDS[val] || val;
        if (Y.Dom.Color.re_RGB.exec(val)) {
            val = [
                Number(RE.$1).toString(16),
                Number(RE.$2).toString(16),
                Number(RE.$3).toString(16)
            ];

            for (var i = 0; i < val.length; i++) {
                if (val[i].length < 2) {
                    val[i] = '0' + val[i];
                }
            }

            val = val.join('');
        }

        if (val.length < 6) {
            val = val.replace(Y.Dom.Color.re_hex3, '$1$1');
        }

        if (val !== 'transparent' && val.indexOf('#') < 0) {
            val = '#' + val;
        }

        return val.toUpperCase();
    }
};
}());
YAHOO.register("dom", YAHOO.util.Dom, {version: "2.9.0", build: "2800"});