function over(id)
{
  document.getElementById('s2').style.display = "none";
  document.getElementById('s3').style.display = "none";
  document.getElementById('m'+id).src = 'img/menu/g'+id+'.jpg';
  document.getElementById('s'+id).style.display = "block";
}

function out(id)
{
  document.getElementById('m'+id).src = 'img/menu/n'+id+'.jpg';
}


function active(id)
{
  document.getElementById('m'+id).src = 'img/menu/c'+id+'.jpg';
}

function clears()
{
  document.getElementById('s2').style.display = "none";
  document.getElementById('s3').style.display = "none";
}