日期时间问题,高分求解

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function aa()
{
oW = window.createPopup();
oW.document.write('<S' +  'CRIPT ID=clientEventHandlersJS>' +'function Calendar1_Click(){window.parent.datefield.value =   Calendar1.Year + "年" + Calendar1.Month + "月" + Calendar1.day + "日"}' + '</' + 'SCRIPT>' + '<S' + 'CRIPT FOR=Calendar1 EVENT=Click>' + '  Calendar1_Click()' + '<' + '/script>' + ' <OBJECT id=Calendar1 classid=clsid:8E27C92B-1264-101C-8A2F-040224009C02 VIEWASTEXT><PARAM NAME="_Version" VALUE="524288"><PARAM NAME="_ExtentX" VALUE="7620"><PARAM NAME="_ExtentY" VALUE="5080"><PARAM NAME="_StockProps" VALUE="1"><PARAM NAME="BackColor" VALUE="-2147483633"><PARAM NAME="Year" VALUE="2003"><PARAM NAME="Month" VALUE="10"><PARAM NAME="Day" VALUE="9"><PARAM NAME="DayLength" VALUE="0"><PARAM NAME="MonthLength" VALUE="0"><PARAM NAME="DayFontColor" VALUE="0"><PARAM NAME="FirstDay" VALUE="1"><PARAM NAME="GridCellEffect" VALUE="1"><PARAM NAME="GridFontColor" VALUE="10485760"><PARAM NAME="GridLinesColor" VALUE="-2147483632"><PARAM NAME="ShowDateSelectors" VALUE="-1"><PARAM NAME="ShowDays" VALUE="-1"><PARAM NAME="ShowHorizontalGrid" VALUE="-1"><PARAM NAME="ShowTitle" VALUE="-1"><PARAM NAME="ShowVerticalGrid" VALUE="-1"><PARAM NAME="TitleFontColor" VALUE="10485760"><PARAM NAME="ValueIsNull" VALUE="0"></OBJECT>');
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<input id=datefield type=text>
<input id="b1" type=button onclick="aa();" value="打开日期控件">
</body>