WdatePicker 设置今天起 后30天可选

<link href="{:ADDON_PUBLIC_PATH}/style/My97DatePicker/skin/WdatePicker.css" rel="stylesheet" type="text/css">
<script src="{:ADDON_PUBLIC_PATH}/style/My97DatePicker/WdatePicker.js"></script>
<script src="{:ADDON_PUBLIC_PATH}/style/My97DatePicker/calendar.js"></script>

<input id="d411" style="border:#999 1px solid;" class="Wdate" type="text" onfocus="WdatePicker({minDate:'%y-%M-%d',maxDate:'%y-%M-{%d+30}'})"/>