import java.applet.Applet;
import java.lang.*;
import netscape.javascript.JSException;
import netscape.javascript.JSObject;

public class applet_simplu extends Applet
{
  JSObject win, doc, form, field;

   public void init()
  {
    // BE CAREFULL : the form must have been define before the applet starts
    //               --> <APPLET> tag must be embeded after the form 
    win = JSObject.getWindow(this);
    doc = (JSObject)win.getMember("document");
    form = (JSObject)doc.getMember("the_form");
    field = (JSObject)form.getMember("the_field");
   }

  public void upper()
  {
    String text  = (String)field.getMember("value");
    System.out.println("Text = " + text);
    field.setMember("value", text.toUpperCase());
  }

  public void lower()
  {
    String text  = (String)field.getMember("value");
    System.out.println("Text = " + text);
    field.setMember("value", text.toLowerCase());
  }
}