ajax调用后台方法
<script>
//15秒倒计时
var start = 15;
var step = -1;
function count()
{
document.getElementById("DaoJiShi").innerHTML = start;
start += step;
if (start < 0)
start = 15;
setTimeout("count()", 1000);
}
window.onload = count;
</script>

当start=0时，如何调用后台select()方法？
求指教。。。
[解决办法]
$.post("../MyWorkFlow/WorkFlowApprove.ashx", { "billcode": billcode, "mind": " ", "action": "disagree" }, OnApproveSuccess);