变态的时间控件代码

<tr>
	<td colspan="2">
	<script>
		var lastDay = "#-#lastDay#";
		function ovfocus(st,obj){
			jQuery(obj).val("");
			var startV = st.value;
			obj.setAttribute("mindate",startV);
			var mon = startV.substr(5,2);
			var yea = startV.substr(0,4);
			obj.setAttribute("maxdate","#"+yea+"#-#"+mon+lastDay);
			new WdatePicker(obj);
		}
	</script>
	<input id="start" class="Wdate" type="text" onfocus="new WdatePicker(this)" onpicked="ovfocus(this,$('end'))"/>
	<input id="end"	  class="Wdate" type="text" onfocus="new WdatePicker(this)"
		mindate="" maxdate=""/>
	</td>
</tr>