someting funny

window.onload = function () {
    var i = 1;
    var lottery = new Lottery('lotteryContainer', '#CCC', 'color', 450, 100, drawPercent);
    lottery.init(getRandomStr(i), 'text');

    document.getElementById('freshBtn').onclick = function() {
        drawPercentNode.innerHTML = '0%';
        lottery.init(getRandomStr(++i), 'text');
     }
    
    var drawPercentNode = document.getElementById('drawPercent');
    
    function drawPercent(percent) {
        drawPercentNode.innerHTML = percent + '%';
    }
    
}

function getRandomStr(n) {
    var text = "";
    switch(n)
        {
            case 1: text="Today is 5.10 and ......"; break;
            case 2: text="happy birthday to ......"; break;
            case 3: text="everyone born today in history"; break;
            case 4: text="especially you!"; break;
            case 100: text="if you refresh 100 times"; break;
            case 101: text="you'll see that"; break;
            case 102: text="actually i have more words"; break;
            case 103: text="to say but"; break;
            case 104: text="you can't hear them"; break;
            default: text="For HRQ's Flowery 22."
        }
    return text;
}