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<?xml version="1.0" standalone="no"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20010719//EN"
"http://www.w3.org/TR/2001/PR-SVG-20010719/DTD/svg10.dtd">
<svg width="6cm" height="5cm" viewBox="0 0 600 500">
<desc>Example script01 - invoke an ECMAScript function from an onclick event
</desc>
<!-- ECMAScript to change the radius with each click -->
<script type="text/ecmascript"> <![CDATA[
function circle_click(evt) {
var circle = evt.target;
var currentRadius = circle.r.baseVal.value;
if (currentRadius == 100)
circle.r.baseVal.value = currentRadius*2;
else
circle.r.baseVal.value = currentRadius*0.5;
}
]]> </script>
<!-- Outline the drawing area with a blue line -->
<rect x="1" y="1" width="598" height="498" fill="none" stroke="blue"/>
<!-- Act on each click event -->
<circle onclick="circle_click(evt)" cx="300" cy="225" r="100"
fill="red"/>
<text x="300" y="480"
font-family="Verdana" font-size="35" text-anchor="middle">
Click on circle to change its size
</text>
</svg>
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