A demo applet
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>A demo applet</title>
</head>
<body>
<h1 style="text-align:center;">A demo applet</h1>
<div style="text-align:center;">
<object classid="clsid:8AD9C840-044E-11D1-B3E9-00805F499D93"
codebase="http://java.sun.com/update/1.4.2/jinstall-1_4-windows-i586.cab#Version=1,4,0,0"
width="530" height="500">
<param name="code" value="physapps.nonlinear.MathPendulum.class">
<param name="codebase" value="archives">
<param name="archive" value="physbeans.jar, mathpendulum.jar">
<param name="type" value="application/x-java-applet;version=1.4">
<comment>
<applet codebase="archives"
archive="physbeans.jar, mathpendulum.jar"
code="physapps.nonlinear.MathPendulum.class"
width="530" height="500">
</applet>
</comment>
</object>
</div>
</body>
</html>