A stacked Line chart using the table reader with a right aligned key

[No canvas support]
Monday Tuesday Wednesday Thursday Friday Monday Tuesday Wednesday Thursday Friday
Richard 4 8 5 7 3 5 1 3 8 4
Ricky 7 4 8 9 1 6 7 2 3 2
Rachel 6 7 8 5 2 4 6 7 6 3
Ruth 3 5 4 8 6 3 2 9 8 7

This goes in the documents header:

<script src="RGraph.common.core.js"></script>
<script src="RGraph.common.table.js"></script>
<script src="RGraph.line.js"></script>
Put this where you want the chart to show up:
<div style="text-align: center">
    <canvas id="cvs" width="750" height="350">[No canvas support]</canvas>
</div>

<style>
    table {
        margin-left: auto;
        margin-right: auto;
        font-family: Verdana;
        border: 1px solid black;
    }
    tr:nth-child(1n+1) td:nth-child(1n+2) {
        background-color: #ddd;
        text-align: center;
    }
</style>

<table id="myTable">
    <thead>
        <tr>
            <th></th>
            <th>Monday</th>
            <th>Tuesday</th>
            <th>Wednesday</th>
            <th>Thursday</th>
            <th>Friday</th>
            <th>Monday</th>
            <th>Tuesday</th>
            <th>Wednesday</th>
            <th>Thursday</th>
            <th>Friday</th>
        </tr>
    </thead>
    
    <tbody>
        <tr>
            <td>Richard</td>
            <td>4</td>
            <td>8</td>
            <td>5</td>
            <td>7</td>
            <td>3</td>
            <td>5</td>
            <td>1</td>
            <td>3</td>
            <td>8</td>
            <td>4</td>
        </tr>
        
        <tr>
            <td>Ricky</td>
            <td>7</td>
            <td>4</td>
            <td>8</td>
            <td>9</td>
            <td>1</td>
            <td>6</td>
            <td>7</td>
            <td>2</td>
            <td>3</td>
            <td>2</td>
        </tr>
        
        <tr>
            <td>Rachel</td>
            <td>6</td>
            <td>7</td>
            <td>8</td>
            <td>5</td>
            <td>2</td>
            <td>4</td>
            <td>6</td>
            <td>7</td>
            <td>6</td>
            <td>3</td>
        </tr>
    </tbody>
</table>
This is the code that generates the chart - it should be placed AFTER the canvas tag(s):