function Sw(c, n)
{
document.getElementById(eval(c)).style.display = 'none';
document.getElementById(n).style.display = '';
document.getElementById('n' + eval(c)).className = 'ffiec'
document.getElementById('n' + n).className = 'ffiec active'
document.getElementById('n' + n).blur();
eval(c + " = n;");
}