BlockPlayRandomSound

function init(event)
{
event.block.timers.stop(2);
event.block.timers.start(2, 300, true);
event.block.setModel("minecraft:planks");
}

function randomGenWhole()
{
return Math.floor(Math.random() * 20);
}

function randomIntFromInterval(min,max)
{
    return Math.floor(Math.random()*(max-min+1)+min);
}

function timer(event)
{
    if(event.id == 2)
    {
        var randomNumberGen = randomGenWhole();
        if (randomNumberGen <= 8)
        {
            var selection = randomIntFromInterval(1, 4);
            switch(selection)
            {
            case 1:
            event.block.executeCommand("/execute @a[r=64] ~ ~ ~ playsound CantSeeMe voice @a ~ ~ ~");
            break;
            case 2:
            event.block.executeCommand("/execute @a[r=64] ~ ~ ~ playsound CreepyLaLa voice @a ~ ~ ~");
            break;
            case 3:
            event.block.executeCommand("/execute @a[r=64] ~ ~ ~ playsound CreepyHum voice @a ~ ~ ~");
            break;
            default:
            break;
            }
        }
    }
}