 Data must be supplied in the form:</p><blockquote><pre>[[x1, y1, &quot;label 1&quot;, {css}], [x2, y2, &quot;label 2&quot;, {css}], ...]</pre></blockquote><p>The label and css object are optional.&nbsp;  If the label is ommitted, the box will collapse unless a css height and/or width is specified.</p><p>The css object is an object specifying css properties such as:</p><blockquote><pre>{background:'#4f98a5', border:'3px solid gray', padding:'1px'}</pre></blockquote><p>Note that css properties specified with