NAME attribute
of the APPLET tag.
This allows communication between different applets on the same Web page.
<applet code="HelloWorldApplet.class" Name=Applet1
CODEBASE="http://www.foo.bar.com/classes" width=200 height=200
ALIGN=RIGHT HSPACE=5 VSPACE=10
ALT="Hello World!">
Hello World!<P>
</APPLET>