function sa(idName){
  document.getElementById('tigger').style.display = 'none';
  document.getElementById('ocean').style.display = 'none';
  document.getElementById('sounds').style.display = 'none';
  document.getElementById('madlibs').style.display = 'none';
  document.getElementById('gallery').style.display = 'none';
  document.getElementById('about').style.display = 'none';
  document.getElementById('l1').className = 'tab1 mTop10';
  document.getElementById('l2').className = 'tab1';
  document.getElementById('l3').className = 'tab1';
  document.getElementById('l4').className = 'tab1';
  document.getElementById('l5').className = 'tab1';
  document.getElementById(idName).style.display = 'block';
  document.getElementById('cScr').style.background = 'url( /img/bg/waterBgCircle.jpg ) no-repeat 0px 7px';
  var inTheGroove = true;
  switch(idName){
    case "tigger":
        break;
    case "ocean": 
        document.getElementById('l1').className = 'tab2 mTop10';
        break;
    case "sounds": 
        document.getElementById('l2').className = 'tab2';
        break;
    case "madlibs": 
        document.getElementById('l3').className = 'tab2';
        break;
    case "gallery": 
        document.getElementById('l4').className = 'tab2';
        break;
    case "about": 
        document.getElementById('l5').className = 'tab2';
        break;
    default : inTheGroove = false;
  }
}