In this animation I use the function 3*sin(a*x)*cos(x/(a+1)), where parameter a changes from 0 to 3.
The anim06.*.jvx files created by utility xvc2jvx were used as keyframes for JavaView animation. JavaView applet uses default parameters with
<param name=Animation.firstKey value=1>
<param name=Animation.lastKey value=21>
<param name="Animation.framesPerSecond" value=12>