div中嵌套iframe
<div style="text-align: center; vertical-align: center">
<iframe style="height:80%;width:100%;MARGIN-top:1px;" src="<%=path%>/js/My97DatePicker/calendar.jsp" frameborder="1" scrolling="no"></iframe>
<br/>
<iframe src="http://m.weather.com.cn/m/pn6/weather.htm " width="100%" height="20%" frameborder="1" marginwidth="0" marginheight="0" scrolling="no"></iframe>
</div>
<iframe style="height:80%;width:100%;MARGIN-top:1px;" src="<%=path%>/js/My97DatePicker/calendar.jsp" frameborder="1" scrolling="no"></iframe>
<br/>
<iframe src="http://m.weather.com.cn/m/pn6/weather.htm " width="100%" height="20%" frameborder="1" marginwidth="0" marginheight="0" scrolling="no"></iframe>
</div>