понял это:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<script src="Scripts/mootools-1.2-more.js" type="text/javascript"></script>
<script src="Scripts/mootools-1.2-core.js" type="text/javascript"></script>
<script src="Scripts/moochart-0.1b1.js.js" type="text/javascript"></script>
<script src="Scripts/mainScript.js" type="text/javascript"></script>
</head>
<body>
<div id="chart1">
</div>
</body>
</html>
window.addEvent('domready', function () {
var chart1 = new Chart.Bubble('chart1', {
width: 600,
height: 350,
lineColor: '#3f3f3f',
zmin: 0, zmax: 100,
bubbleSize: 40
});
chart1.bubbles = [
{ x: 82, y: 70, z: 90, color: '#318bd6', tip: '<b>HTML</b> is allowed in <span style="color: #71a8d6;">tooltips</span>' },
{ x: 21, y: 11, z: 0, color: '#000', tip: 'This bubble is the minimum size' },
{ x: 0, y: 0, z: 100, color: '#319344', tip: 'Bubbles can <u>never</u> fall outside the grid' }
];
chart1.redraw();
});