function showNotes(div_id) { // hide all the divs document.getElementById('notes').style.display = 'none'; // show the requested div document.getElementById('notes').style.display = 'block'; } function hideOptions(div_id) { document.getElementById(div_id).style.display = 'none'; } function openClose(div1,div2) { document.getElementById(div2).style.display = 'none'; document.getElementById(div1).style.display = 'block'; }