function RunL3U4A()
{
    document.write('<applet code="physics2000.Atom" codebase="http://www.colorado.edu/physics/2000/applets" width=150 height=80> \n');
    document.write('<param name=electron value="particles/yellow13.gif"> \n');
    document.write('<param name=nucleus value="particles/red24.gif"> \n');
    document.write('<param name=electron0 value="-50 0 -75 0 -20"> \n');
    document.write('<param name=backcolor value="000080"> \n');
    document.write('<param name=gravity value="8000"> \n');
    document.write('<param name=scale value=75> \n');
    document.write('</applet> \n');
}