$(function () {
    $("table").stickyTableHeaders();
});
/*! Copyright (c) 2011 by Jonas Mosbech - https://github.com/jmosbech/StickyTableHeaders
	MIT license info: https://github.com/jmosbech/StickyTableHeaders/blob/master/license.txt */
;
(function ($, window, undefined) {
    'use strict';
    var name = 'stickyTableHeaders',
        id = 0,
        defaults = {
            fixedOffset: 0,
            leftOffset: 0,
            marginTop: 0,
            scrollableArea: window
        };
    function Plugin(el, options) {
        // To avoid scope issues, use 'base' instead of 'this'
        // to reference this class from internal events and functions.
        var base = this;
        // Access to jQuery and DOM versions of element
        base.$el = $(el);
        base.el = el;
        base.id = id++;
        base.$window = $(window);
        base.$document = $(document);
        // Listen for destroyed, call teardown
        base.$el.bind('destroyed',
        $.proxy(base.teardown, base));
        // Cache DOM refs for performance reasons
        base.$clonedHeader = null;
        base.$originalHeader = null;
        // Keep track of state
        base.isSticky = false;
        base.hasBeenSticky = false;
        base.leftOffset = null;
        base.topOffset = null;
        base.init = function () {
            base.$el.each(function () {
                var $this = $(this);
                // remove padding on <table> to fix issue #7
                $this.css('padding', 0);
                base.$originalHeader = $('thead:first', this);
                base.$clonedHeader = base.$originalHeader.clone();
                $this.trigger('clonedHeader.' + name, [base.$clonedHeader]);
                base.$clonedHeader.addClass('tableFloatingHeader');
                base.$clonedHeader.css('display', 'none');
                base.$originalHeader.addClass('tableFloatingHeaderOriginal');
                base.$originalHeader.after(base.$clonedHeader);
                base.$printStyle = $('<style type="text/css" media="print">' +
                    '.tableFloatingHeader{display:none !important;}' +
                    '.tableFloatingHeaderOriginal{position:static !important;}' +
                    '</style>');
                $('head').append(base.$printStyle);
            });
            base.setOptions(options);
            base.updateWidth();
            base.toggleHeaders();
            base.bind();
        };
        base.destroy = function () {
            base.$el.unbind('destroyed', base.teardown);
            base.teardown();
        };
        base.teardown = function () {
            if (base.isSticky) {
                base.$originalHeader.css('position', 'static');
            }
            $.removeData(base.el, 'plugin_' + name);
            base.unbind();
            base.$clonedHeader.remove();
            base.$originalHeader.removeClass('tableFloatingHeaderOriginal');
            base.$originalHeader.css('visibility', 'visible');
            base.$printStyle.remove();
            base.el = null;
            base.$el = null;
        };
        base.bind = function () {
            base.$scrollableArea.on('scroll.' + name, base.toggleHeaders);
            if (!base.isWindowScrolling) {
                base.$window.on('scroll.' + name + base.id, base.setPositionValues);
                base.$window.on('resize.' + name + base.id, base.toggleHeaders);
            }
            base.$scrollableArea.on('resize.' + name, base.toggleHeaders);
            base.$scrollableArea.on('resize.' + name, base.updateWidth);
        };
        base.unbind = function () {
            // unbind window events by specifying handle so we don't remove too much
            base.$scrollableArea.off('.' + name, base.toggleHeaders);
            if (!base.isWindowScrolling) {
                base.$window.off('.' + name + base.id, base.setPositionValues);
                base.$window.off('.' + name + base.id, base.toggleHeaders);
            }
            base.$scrollableArea.off('.' + name, base.updateWidth);
        };
        base.toggleHeaders = function () {
            if (base.$el) {
                base.$el.each(function () {
                    var $this = $(this),
                        newLeft,
                        newTopOffset = base.isWindowScrolling ? (
                        isNaN(base.options.fixedOffset) ? base.options.fixedOffset.outerHeight() : base.options.fixedOffset) : base.$scrollableArea.offset().top + (!isNaN(base.options.fixedOffset) ? base.options.fixedOffset : 0),
                        offset = $this.offset(),
                        scrollTop = base.$scrollableArea.scrollTop() + newTopOffset,
                        scrollLeft = base.$scrollableArea.scrollLeft(),
                        scrolledPastTop = base.isWindowScrolling ? scrollTop > offset.top : newTopOffset > offset.top,
                        notScrolledPastBottom = (base.isWindowScrolling ? scrollTop : 0) < (offset.top + $this.height() - base.$clonedHeader.height() - (base.isWindowScrolling ? 0 : newTopOffset));
                    if (scrolledPastTop && notScrolledPastBottom) {
                        newLeft = offset.left - scrollLeft + base.options.leftOffset;
                        base.$originalHeader.css({
                            'position': 'fixed',
                                'margin-top': base.options.marginTop,
                                'left': newLeft,
                                'z-index': 3 // #18: opacity bug
                        });
                        base.leftOffset = newLeft;
                        base.topOffset = newTopOffset;
                        base.$clonedHeader.css('display', '');
                        if (!base.isSticky) {
                            base.isSticky = true;
                            // make sure the width is correct: the user might have resized the browser while in static mode
                            base.updateWidth();
                        }
                        base.setPositionValues();
                    } else if (base.isSticky) {
                        base.$originalHeader.css('position', 'static');
                        base.$clonedHeader.css('display', 'none');
                        base.isSticky = false;
                        base.resetWidth($('td,th', base.$clonedHeader), $('td,th', base.$originalHeader));
                    }
                });
            }
        };
        base.setPositionValues = function () {
            var winScrollTop = base.$window.scrollTop(),
                winScrollLeft = base.$window.scrollLeft();
            if (!base.isSticky || winScrollTop < 0 || winScrollTop + base.$window.height() > base.$document.height() || winScrollLeft < 0 || winScrollLeft + base.$window.width() > base.$document.width()) {
                return;
            }
            base.$originalHeader.css({
                'top': base.topOffset - (base.isWindowScrolling ? 0 : winScrollTop),
                    'left': base.leftOffset - (base.isWindowScrolling ? 0 : winScrollLeft)
            });
        };
        base.updateWidth = function () {
            if (!base.isSticky) {
                return;
            }
            // Copy cell widths from clone
            if (!base.$originalHeaderCells) {
                base.$originalHeaderCells = $('th,td', base.$originalHeader);
            }
            if (!base.$clonedHeaderCells) {
                base.$clonedHeaderCells = $('th,td', base.$clonedHeader);
            }
            var cellWidths = base.getWidth(base.$clonedHeaderCells);
            base.setWidth(cellWidths, base.$clonedHeaderCells, base.$originalHeaderCells);
            // Copy row width from whole table
            base.$originalHeader.css('width', base.$clonedHeader.width());
        };
        base.getWidth = function ($clonedHeaders) {
            var widths = [];
            $clonedHeaders.each(function (index) {
                var width, $this = $(this);
                if ($this.css('box-sizing') === 'border-box') {
                    width = $this[0].getBoundingClientRect().width; // #39: border-box bug
                } else {
                    var $origTh = $('th', base.$originalHeader);
                    if ($origTh.css('border-collapse') === 'collapse') {
                        if (window.getComputedStyle) {
                            width = parseFloat(window.getComputedStyle(this, null).width);
                        } else {
                            // ie8 only
                            var leftPadding = parseFloat($this.css('padding-left'));
                            var rightPadding = parseFloat($this.css('padding-right'));
                            // Needs more investigation - this is assuming constant border around this cell and it's neighbours.
                            var border = parseFloat($this.css('border-width'));
                            width = $this.outerWidth() - leftPadding - rightPadding - border;
                        }
                    } else {
                        width = $this.width();
                    }
                }
                widths[index] = width;
            });
            return widths;
        };
        base.setWidth = function (widths, $clonedHeaders, $origHeaders) {
            $clonedHeaders.each(function (index) {
                var width = widths[index];
                $origHeaders.eq(index).css({
                    'min-width': width,
                        'max-width': width
                });
            });
        };
        base.resetWidth = function ($clonedHeaders, $origHeaders) {
            $clonedHeaders.each(function (index) {
                var $this = $(this);
                $origHeaders.eq(index).css({
                    'min-width': $this.css('min-width'),
                        'max-width': $this.css('max-width')
                });
            });
        };
        base.setOptions = function (options) {
            base.options = $.extend({}, defaults, options);
            base.$scrollableArea = $(base.options.scrollableArea);
            base.isWindowScrolling = base.$scrollableArea[0] === window;
        };
        base.updateOptions = function (options) {
            base.setOptions(options);
            // scrollableArea might have changed
            base.unbind();
            base.bind();
            base.updateWidth();
            base.toggleHeaders();
        };
        // Run initializer
        base.init();
    }
    // A plugin wrapper around the constructor,
    // preventing against multiple instantiations
    $.fn[name] = function (options) {
        return this.each(function () {
            var instance = $.data(this, 'plugin_' + name);
            if (instance) {
                if (typeof options === 'string') {
                    instance[options].apply(instance);
                } else {
                    instance.updateOptions(options);
                }
            } else if (options !== 'destroy') {
                $.data(this, 'plugin_' + name, new Plugin(this, options));
            }
        });
    };
})(jQuery, window);
body {
    margin: 0 auto;
    padding: 0 20px;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 11px;
    color: #555;
}
table {
    border: 0;
    padding: 0;
    margin: 0 0 20px 0;
    border-collapse: collapse;
}
th {
    padding: 5px;
    /* NOTE: th padding must be set explicitly in order to support IE */
    text-align: right;
    font-weight:bold;
    line-height: 2em;
    color: #FFF;
    background-color: #555;
}
tbody td {
    padding: 10px;
    line-height: 18px;
    border-top: 1px solid #E0E0E0;
}
tbody tr:nth-child(2n) {
    background-color: #F7F7F7;
}
tbody tr:hover {
    background-color: #EEEEEE;
}
td {
    text-align: right;
}
td:first-child, th:first-child {
    text-align: left;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<div style="width:3000px">some really really wide content goes here</div>
<table>
    <thead>
        <tr>
            <th colspan="9">Companies listed on NASDAQ OMX Copenhagen.</th>
        </tr>
        <tr>
            <th>Full name</th>
            <th>CCY</th>
            <th>Last</th>
            <th>+/-</th>
            <th>%</th>
            <th>Bid</th>
            <th>Ask</th>
            <th>Volume</th>
            <th>Turnover</th>
        </tr>
    </thead>
    <tbody>
        <tr>
            <td>A.P. Møller...</td>
            <td>DKK</td>
            <td>33,220.00</td>
            <td>760</td>
            <td>2.34</td>
            <td>33,140.00</td>
            <td>33,220.00</td>
            <td>594</td>
            <td>19,791,910</td>
        </tr>
        <tr>
            <td>A.P. Møller...</td>
            <td>DKK</td>
            <td>34,620.00</td>
            <td>640</td>
            <td>1.88</td>
            <td>34,620.00</td>
            <td>34,700.00</td>
            <td>9,954</td>
            <td>346,530,246</td>
        </tr>
        <tr>
            <td>Carlsberg A</td>
            <td>DKK</td>
            <td>380</td>
            <td>0</td>
            <td>0</td>
            <td>371</td>
            <td>391.5</td>
            <td>6</td>
            <td>2,280</td>
        </tr>
        <tr>
            <td>Carlsberg B</td>
            <td>DKK</td>
            <td>364.4</td>
            <td>8.6</td>
            <td>2.42</td>
            <td>363</td>
            <td>364.4</td>
            <td>636,267</td>
            <td>228,530,601</td>
        </tr>
        <tr>
            <td>Chr. Hansen...</td>
            <td>DKK</td>
            <td>114.5</td>
            <td>-1.6</td>
            <td>-1.38</td>
            <td>114.2</td>
            <td>114.5</td>
            <td>141,822</td>
            <td>16,311,454</td>
        </tr>
        <tr>
            <td>Coloplast B</td>
            <td>DKK</td>
            <td>809.5</td>
            <td>11</td>
            <td>1.38</td>
            <td>809</td>
            <td>809.5</td>
            <td>85,840</td>
            <td>69,363,301</td>
        </tr>
        <tr>
            <td>D/S Norden</td>
            <td>DKK</td>
            <td>155</td>
            <td>-1.5</td>
            <td>-0.96</td>
            <td>155</td>
            <td>155.1</td>
            <td>51,681</td>
            <td>8,037,225</td>
        </tr>
        <tr>
            <td>Danske Bank</td>
            <td>DKK</td>
            <td>69.05</td>
            <td>2.55</td>
            <td>3.83</td>
            <td>69.05</td>
            <td>69.2</td>
            <td>1,723,719</td>
            <td>115,348,068</td>
        </tr>
        <tr>
            <td>DSV</td>
            <td>DKK</td>
            <td>105.4</td>
            <td>0.2</td>
            <td>0.19</td>
            <td>105.2</td>
            <td>105.4</td>
            <td>674,873</td>
            <td>71,575,035</td>
        </tr>
        <tr>
            <td>FLSmidth & Co.</td>
            <td>DKK</td>
            <td>295.8</td>
            <td>-1.8</td>
            <td>-0.6</td>
            <td>295.1</td>
            <td>295.8</td>
            <td>341,263</td>
            <td>100,301,032</td>
        </tr>
        <tr>
            <td>G4S plc</td>
            <td>DKK</td>
            <td>22.53</td>
            <td>0.05</td>
            <td>0.22</td>
            <td>22.53</td>
            <td>22.57</td>
            <td>190,920</td>
            <td>4,338,150</td>
        </tr>
        <tr>
            <td>Jyske Bank</td>
            <td>DKK</td>
            <td>144.2</td>
            <td>1.4</td>
            <td>0.98</td>
            <td>142.8</td>
            <td>144.2</td>
            <td>78,163</td>
            <td>11,104,874</td>
        </tr>
        <tr>
            <td>Københavns ...</td>
            <td>DKK</td>
            <td>1,580.00</td>
            <td>-12</td>
            <td>-0.75</td>
            <td>1,590.00</td>
            <td>1,620.00</td>
            <td>82</td>
            <td>131,110</td>
        </tr>
        <tr>
            <td>Lundbeck</td>
            <td>DKK</td>
            <td>103.4</td>
            <td>-2.5</td>
            <td>-2.36</td>
            <td>103.4</td>
            <td>103.8</td>
            <td>157,162</td>
            <td>16,462,282</td>
        </tr>
        <tr>
            <td>Nordea Bank</td>
            <td>DKK</td>
            <td>43.22</td>
            <td>-0.06</td>
            <td>-0.14</td>
            <td>43.22</td>
            <td>43.25</td>
            <td>167,520</td>
            <td>7,310,143</td>
        </tr>
        <tr>
            <td>Novo Nordisk B</td>
            <td>DKK</td>
            <td>552.5</td>
            <td>-3.5</td>
            <td>-0.63</td>
            <td>550.5</td>
            <td>552.5</td>
            <td>843,533</td>
            <td>463,962,375</td>
        </tr>
        <tr>
            <td>Novozymes B</td>
            <td>DKK</td>
            <td>805.5</td>
            <td>5.5</td>
            <td>0.69</td>
            <td>805</td>
            <td>805.5</td>
            <td>152,188</td>
            <td>121,746,199</td>
        </tr>
        <tr>
            <td>Pandora</td>
            <td>DKK</td>
            <td>39.04</td>
            <td>0.94</td>
            <td>2.47</td>
            <td>38.8</td>
            <td>39.04</td>
            <td>350,965</td>
            <td>13,611,838</td>
        </tr>
        <tr>
            <td>Rockwool In...</td>
            <td>DKK</td>
            <td>492</td>
            <td>0</td>
            <td>0</td>
            <td>482</td>
            <td>492</td>
            <td></td>
            <td></td>
        </tr>
        <tr>
            <td>Rockwool In...</td>
            <td>DKK</td>
            <td>468</td>
            <td>12</td>
            <td>2.63</td>
            <td>465.2</td>
            <td>468</td>
            <td>9,885</td>
            <td>4,623,850</td>
        </tr>
        <tr>
            <td>Sydbank</td>
            <td>DKK</td>
            <td>95</td>
            <td>0.05</td>
            <td>0.05</td>
            <td>94.7</td>
            <td>95</td>
            <td>103,438</td>
            <td>9,802,899</td>
        </tr>
        <tr>
            <td>TDC</td>
            <td>DKK</td>
            <td>43.6</td>
            <td>0.13</td>
            <td>0.3</td>
            <td>43.5</td>
            <td>43.6</td>
            <td>845,110</td>
            <td>36,785,339</td>
        </tr>
        <tr>
            <td>Topdanmark</td>
            <td>DKK</td>
            <td>854</td>
            <td>13.5</td>
            <td>1.61</td>
            <td>854</td>
            <td>855</td>
            <td>38,679</td>
            <td>32,737,678</td>
        </tr>
        <tr>
            <td>Tryg</td>
            <td>DKK</td>
            <td>290.4</td>
            <td>0.3</td>
            <td>0.1</td>
            <td>290</td>
            <td>290.4</td>
            <td>94,587</td>
            <td>27,537,247</td>
        </tr>
        <tr>
            <td>Vestas Wind...</td>
            <td>DKK</td>
            <td>90.15</td>
            <td>-4.2</td>
            <td>-4.45</td>
            <td>90.1</td>
            <td>90.15</td>
            <td>1,317,313</td>
            <td>121,064,314</td>
        </tr>
        <tr>
            <td>William Dem...</td>
            <td>DKK</td>
            <td>417.6</td>
            <td>0.1</td>
            <td>0.02</td>
            <td>417</td>
            <td>417.6</td>
            <td>64,242</td>
            <td>26,859,554</td>
        </tr>
    </tbody>
</table>
<div style="height: 4000px">lots of content down here...</div>