<script src="RGraph.common.core.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><br /> <button onclick="reverse()" style="font-size: 22pt; cursor: pointer">Reverse trace</button>This is the code that generates the chart - it should be placed AFTER the canvas tag(s):