function toggleDiv111(id) {
 var i;
 for(i=1;i<4;i++)
 {
document.getElementById('div'+i+'').style.visibility = 'hidden'
document.getElementById('div'+i+'').style.display = 'none'
 
 }
 
document.getElementById(''+id+'').style.visibility = 'visible'
document.getElementById(''+id+'').style.display = 'block'
}