my97datepicker 时间区间选择和验证

起始日期小于结束日期，修改对应的id值即可

<div class="col-sm-6">
	<div class="form-group">
		<label for="startDate" class="col-sm-4 control-label">起始日期:</label>
		<div class="col-sm-8">
			<input type="text" class="form-control Wdate" autocomplete="off" readonly="readonly" onClick="WdatePicker({dateFmt:'yyyy-MM-dd',maxDate:'#F{$dp.$D(\'endDate\') || \'%y-%M-%d \'}'})" id="startDate" name="startDate">
		</div>
	</div>
</div>
<div class="col-sm-6">
	<div class="form-group">
		<label for="endDate" class="col-sm-4 control-label">结束时间:</label>
		<div class="col-sm-8">
			<input type="text" class="form-control Wdate" autocomplete="off" readonly="readonly" onClick="WdatePicker({dateFmt:'yyyy-MM-dd',minDate:'#F{$dp.$D(\'startDate\')}'})" id="endDate" name="endDate">
		</div>
	</div>
</div>