<tr><td>
<b>Custom interaction model</b>
- <input type="button" value="Unzoom" onclick="unzoomGraph(g3)">
+ <input type="button" value="Restore position" onclick="restorePositioning(g3)">
<div id="div_g3" style="width:600px; height:300px;"></div>
</td><td>
Zoom in: double-click, scroll wheel<br/>