var forEach = function(array, callback, thisObject)
{
    if (array.forEach)
    {
        array.forEach(callback, thisObject);
    } else
    {
        for (var i = 0, len = array.length; i < len; i++) { callback.call(thisObject, array[i], i, array); }
    }
}

var nums = [];
//插入数字
for (var i = 0, n = st._count - 1; i <= n; )
{
    (nums[i] = $get("idNum").appendChild(document.createElement("li"))).innerHTML = ++i;
}

forEach(nums, function(o, i)
{
    o.onmouseover = function() { o.className = "on"; st.Auto = false; st.Run(i); }
    o.onmouseout = function() { o.className = ""; st.Auto = true; st.Run(); }
})

//设置按钮样式
st.onStart = function()
{
    forEach(nums, function(o, i) { o.className = st.Index == i ? "on" : ""; })
}

st.Run();