日历控件my97date

         1、 起始日期不大与终止日期

                 让只读，不让用户手写

<input type="text" name="extraWorkExpecStartTime" class="Wdate" id="d4321" onFocus="WdatePicker({skin:'whyGreen',dateFmt:'yyyy-MM-dd HH:mm',maxDate:'#F{$dp.$D(\'d4322\',{d:0});}'})" value="<%= extraWorkExpecStartTime2 %>" /><input type="text" name="extraWorkExpecEndTime" class="Wdate" id="d4322" onFocus="WdatePicker({skin:'whyGreen',dateFmt:'yyyy-MM-dd HH:mm',minDate:'#F{$dp.$D(\'d4321\',{d:0});}' })" value="<%= extraWorkExpecEndTime2%>"/>