function tabSwitch(tab, content) {

    document.getElementById('c_one').style.display = 'none';
    document.getElementById('c_two').style.display = 'none';
    document.getElementById('c_three').style.display = 'none';
    document.getElementById(content).style.display = 'block';

    document.getElementById('tabone').className = '';
    document.getElementById('tabtwo').className = '';
    document.getElementById('tabthree').className = '';
    document.getElementById(tab).className = 'active';

}

function featureSwitch(tab, content) {
  document.getElementById('rwcont').style.display = 'none';
  document.getElementById('bucont').style.display = 'none';
  document.getElementById('ugcont').style.display = 'none';
  document.getElementById('kecont').style.display = 'none';
  document.getElementById('tzcont').style.display = 'none';
  document.getElementById('sacont').style.display = 'none';
  document.getElementById('aecont').style.display = 'none';
  document.getElementById('cgcont').style.display = 'none';
  document.getElementById('gacont').style.display = 'none';
  // include as many content boards as there is

  document.getElementById(content).style.display = 'block';

  document.getElementById('rwtab').className = '';
  document.getElementById('butab').className = '';
  document.getElementById('ugtab').className = '';
  document.getElementById('ketab').className = '';
  document.getElementById('tztab').className = '';
  document.getElementById('satab').className = '';
  document.getElementById('aetab').className = '';
  document.getElementById('cgtab').className = '';
  document.getElementById('gatab').className = '';
  //include as many tabs as there are destinations to offer

  document.getElementById(tab).className = 'active';
}