Combining more than two Line chart objects with multiple Y axes

This demonstration shows how you can use the drawing API Y axis object to draw multiple axes on your chart.

[No canvas support]

This goes in the documents header: 
<script src="RGraph.common.core.js"></script>
<script src="RGraph.common.dynamic.js"></script>
<script src="RGraph.common.key.js"></script>
<script src="RGraph.common.tooltips.js"></script>
<script src="RGraph.common.key.js"></script>
<script src="RGraph.drawing.yaxis.js"></script>
<script src="RGraph.line.js"></script>
Put this where you want the chart to show up: 
<canvas id="cvs" width="600" height="250">
    [No canvas support]
</canvas>
This is the code that generates the chart: 
<script>
    var marginLeft = 180,
        marginRight = 40,
        marginTop   = 25;

    This is the code that generates the chart: