function mo(x) {
document.getElementById('lside' + x).style.visibility = "visible";
document.getElementById('rside' + x).style.visibility = "visible";
}

function mout(y) {
lside = 'lside' + y;
rside = 'rside' + y;
if (document.getElementById(lside).className!='lsideactive'){
document.getElementById(lside).style.visibility = "hidden";
document.getElementById(rside).style.visibility = "hidden";
}
}