function toggleSection(sectionId, textWhenHidden, textWhenShown) {
            var section = document.getElementById(sectionId);
            if (section.style.display == 'none') {
                section.style.display = 'block';
                document.getElementById('section1ToggleLink').innerHTML = textWhenShown;
            } else {
                section.style.display = 'none';
                document.getElementById('section1ToggleLink').innerHTML = textWhenHidden;
            }
        }