import java.applet.*;
import netscape.javascript.*;

public class MyApplet extends Applet {

  public void init() {
    JSObject window = JSObject.getWindow(this);
    JSObject doc = (JSObject) window.getMember("document");
    JSObject form = (JSObject) doc.getMember("form1");
    JSObject firstName = (JSObject) form.getMember("firstName");
    String str = (String) firstName.getMember("value");
    JSObject loginName = (JSObject) form.getMember("loginName");
    loginName.setMember("value", str);
  }

}