Bug 95311 [javadoc wizard] Allow setting of -source 1.5 through UI
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javadocexport/JavadocTreeWizardPage.java
doValidation(CUSTOMSTATUS);
			}
		});
		fStandardButton.addSelectionListener(new EnableSelectionAdapter(new Control[] { fDestinationLabel, fDestinationText, fDestinationBrowserButton }, new Control[] { fDocletLabel, fDocletText, fDocletTypeLabel, fDocletTypeText }));
		fStandardButton.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent e) {
				doValidation(STANDARDSTATUS);
			}
		});
		fDestinationBrowserButton.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent event) {
				String text= handleFolderBrowseButtonPressed(fDestinationText.getText(), JavadocExportMessages.JavadocTreeWizardPage_destinationbrowsedialog_title, 
				   		JavadocExportMessages.JavadocTreeWizardPage_destinationbrowsedialog_label); 
				fDestinationText.setText(text);
			}
		});
		setOptionSetSettings();
	}
	public boolean getCustom() {
		return fCustomButton.getSelection();
	}
	private void setOptionSetSettings() {
		if (!fStore.isFromStandard()) {
			fCustomButton.setSelection(true);
			fDocletText.setText(fStore.getDocletPath());
			fDocletTypeText.setText(fStore.getDocletName());
			fDestinationText.setText(fStore.getDestination());
			fDestinationText.setEnabled(false);
			fDestinationBrowserButton.setEnabled(false);
			fDestinationLabel.setEnabled(false);