<td style="font: normal 宋体; font-size: 9pt;" height="40">
				查询年份： 
				<input type="text" id="time" name="time" onChange="week(3)" class="Wdate" value='<%=now%>' style="font: normal 宋体; font-size: 9pt; width: 80px" onfocus="WdatePicker({readOnly:true,dateFmt:'yyyy'})" />
				&nbsp;&nbsp;&nbsp;查询时间： 
				<select id="week" value="" style="font: normal 宋体; font-size: 9pt; width: 220px" onChange="calcu(3)"></select>
				<input type="button" id="fanhui" name="fanhui" style="font: normal 宋体; font-size: 9pt;" value="查询" onClick="calcu(2);">
				<label id="label"></label>
			</td>

?
<script type="text/javascript">
	var startDate;
	var endDate;
	
	function calcu(objct) {
		var nowYear =  document.getElementById("time").value;//当前年
		//-------------------------------------------------------------------------------------
		var yearStart = new Date(parseInt(nowYear), 0, 1); //设置该年1.1.
		var firstDay = yearStart.getDay(); //星期
		var yearEnd = new Date(parseInt(nowYear), 11, 31); //设置该年12.31.
		var endDay = yearEnd.getDay(); //星期
		//-------------------------------------------------------------------------------------    
		//判断输入是否超过最大周次.
		var maxWeek = 52; //该年最大周次.1.1.在周一到周四,则为该年第一周,否则为上年最后一周.
		if ((firstDay >= 1 && firstDay <= 4)
				&& (endDay == 0 || endDay == 4 || endDay == 5 || endDay == 6)) {
			maxWeek = 53; //1.1.和12.31.都在本年,则该年有53周,否则52周
		} else {
			maxWeek = 52;
		}
		//----------------------------------------------------------------------------------------

		//-------------------------------------------------------------------------------------
		//对1.1.所在周的前后几天特殊处理.
		if (firstDay >= 0 && firstDay <= 4) {
			other = firstDay - 1;
		} else {
			other = firstDay - 8;
		}
		//-------------------------------------------------------------------------------------

		//-------------------------------------------------------------------------------------
		//时间调整,得出要计算周的起/始时间.    
		//距离当年1.1.的总天数
		days = (parseInt(document.getElementById("week").value, 10) - 1) * 7
				- other;
		//转换成Ms.......
		var oneMinute = 60 * 1000;
		var oneHour = oneMinute * 60;
		var oneDay = oneHour * 24;
		//1.1.至1/1/70的毫秒数
		var dateInMs = yearStart.getTime();
		//当前所选周第一天离1/1/70的毫秒数.
		dateInMs += oneDay * days;
		//日期调整(设置1/1/70至今的毫秒数)
		yearStart.setTime(dateInMs);
		//当前所选周最后一天处理,同上.
		var weekEnd = new Date(parseInt(nowYear), 0, 1);
		var dateInMs1 = weekEnd.getTime();
		dateInMs1 += oneDay * (days + 6);
		weekEnd.setTime(dateInMs1);
		//-------------------------------------------------------------------------------------

		//-------------------------------------------------------------------------------------
		//月和日的处理,一位变两位,如:1->01.    
		var month = yearStart.getMonth() + 1;
		if (month < 10) {
			month = "0" + month;
		}
		var day = yearStart.getDate();
		if (day < 10) {
			day = "0" + day;
		}
		var month1 = weekEnd.getMonth() + 1;
		if (month1 < 10) {
			month1 = "0" + month1;
		}
		var day1 = weekEnd.getDate();
		if (day1 < 10) {
			day1 = "0" + day1;
		}
		//-------------------------------------------------------------------------------------
		startDate = nowYear + "-" + month + "-" + day;
		endDate = nowYear + "-" + month1 + "-" + day1;
		if(startDate > endDate){
			newNowYear = nowYear-1;
			startDate = newNowYear + "-" + month + "-" + day;
		}
		
		document.getElementById("label").innerHTML = "您选择的时间为：" + startDate
				+ " ～  " + endDate;
		submit(objct);
		//document.getElementById('Ifrmname1').src="http://localhost:8080<%=request.getContextPath()%>/ReportEmitter?rpt=/CISS/11.brt&params=startData="+startDate+";endData="+endDate;
		//----------------------------------------------------------