function toggle_visibility(id) {
var e = document.getElementById(id);
if(e.style.display == 'none')
e.style.display = 'block';
else
e.style.display = 'none';
}


function sh(num) {
switch (num) {
case 11:
javascript:toggle_visibility('rc111');
javascript:toggle_visibility('rc112');
javascript:toggle_visibility('rc113');
break;
case 12:
javascript:toggle_visibility('rc121');
javascript:toggle_visibility('rc122');
javascript:toggle_visibility('rc123');
break;
case 13:
javascript:toggle_visibility('rc131');
javascript:toggle_visibility('rc132');
javascript:toggle_visibility('rc133');
break;
case 21:
javascript:toggle_visibility('rc211');
javascript:toggle_visibility('rc212');
javascript:toggle_visibility('rc213');
break;
case 22:
javascript:toggle_visibility('rc221');
javascript:toggle_visibility('rc222');
javascript:toggle_visibility('rc223');
break;
case 23:
javascript:toggle_visibility('rc231');
javascript:toggle_visibility('rc232');
javascript:toggle_visibility('rc233');
break;
case 31:
javascript:toggle_visibility('rc311');
javascript:toggle_visibility('rc312');
javascript:toggle_visibility('rc313');
break;
case 32:
javascript:toggle_visibility('rc321');
javascript:toggle_visibility('rc322');
javascript:toggle_visibility('rc323');
break;
case 33:
javascript:toggle_visibility('rc331');
javascript:toggle_visibility('rc332');
javascript:toggle_visibility('rc333');
break;
case 41:
javascript:toggle_visibility('rc411');
javascript:toggle_visibility('rc412');
javascript:toggle_visibility('rc413');
break;
case 42:
javascript:toggle_visibility('rc421');
javascript:toggle_visibility('rc422');
javascript:toggle_visibility('rc423');
break;
case 43:
javascript:toggle_visibility('rc431');
javascript:toggle_visibility('rc432');
javascript:toggle_visibility('rc433');
break;
case 51:
javascript:toggle_visibility('rc511');
javascript:toggle_visibility('rc512');
javascript:toggle_visibility('rc513');
break;
case 52:
javascript:toggle_visibility('rc521');
javascript:toggle_visibility('rc522');
javascript:toggle_visibility('rc523');
break;
case 53:
javascript:toggle_visibility('rc531');
javascript:toggle_visibility('rc532');
javascript:toggle_visibility('rc533');
break;
case 61:
javascript:toggle_visibility('rc611');
javascript:toggle_visibility('rc612');
javascript:toggle_visibility('rc613');
break;
case 62:
javascript:toggle_visibility('rc621');
javascript:toggle_visibility('rc622');
javascript:toggle_visibility('rc623');
break;
case 63:
javascript:toggle_visibility('rc631');
javascript:toggle_visibility('rc632');
javascript:toggle_visibility('rc633');
break;
}
}