一个关于日期的问题，恳请高手赐教！！！
以前我写的代码是实现一个时间段的查询，若要实现查询某一天的功能只能在两个日期选择框都选择那个日期，现在想实现在这两个日期选择框中任意在一个框中填入某个日期，都能显示那一天的，而不是显示大于等于或者小于等于某个日期的所有数据。
查询日期从:
<INPUT class= "text " type= "text "
name= "search_adddate@start__cp_ge_tp_String " size= "10 ">
<img id= "calBegin " src= "/psm/components/calendar/skins/aqua/cal.gif "
border= "0 " alt= "选取起始日期 " style= "cursor:pointer ">
<script type= "text/javascript ">
new calendar( "search_adddate@start__cp_ge_tp_String ", "calBegin ", "%Y%m%d ");
</script>
到
<input class= "text " type= "text "
name= "search_adddate@end__cp_le_tp_String " size= "10 ">
<img id= "calEnd " src= "/psm/components/calendar/skins/aqua/cal.gif "
border= "0 " alt= "选取结束日期 " style= "cursor:pointer ">
<script type= "text/javascript ">
new calendar( "search_adddate@end__cp_le_tp_String ", "calEnd ", "%Y%m%d ");
</script>
<%@include file= "/common/queryButton.jsp "%>
加入判断条件后代码为：
查询日期从(若查询某一天的情况，则在两个日期中都选择那天):
<INPUT class= "text " type= "text "
name= "search_adddate@start__cp_ge_tp_String " size= "10 ">
<img id= "calBegin " src= "/psm/components/calendar/skins/aqua/cal.gif "
border= "0 " alt= "选取起始日期 " style= "cursor:pointer ">
<script type= "text/javascript ">
new calendar( "search_adddate@start__cp_ge_tp_String ", "calBegin ", "%Y%m%d ");
</script>
到
<input class= "text " type= "text "
name= "search_adddate@end__cp_le_tp_String " size= "10 ">
<img id= "calEnd " src= "/psm/components/calendar/skins/aqua/cal.gif "
border= "0 " alt= "选取结束日期 " style= "cursor:pointer ">
<script type= "text/javascript ">
new calendar( "search_adddate@end__cp_le_tp_String ", "calEnd ", "%Y%m%d ");
</script>
<input class= "text " type= "hidden "
name= "search_adddate " size= "10 ">
<script type= "text/javascript ">
var startdate=document.getElementById( "search_adddate@start__cp_ge__tp_String ").value;
var enddate=document.getElementById( "search_adddate@end__cp_le__tp_StringPlus ").value;
var onedate=document.getElementById( "search_adddate ");
if(startdate!= " "&&enddate== " "){
onedate.value=startdate;
enddate= " ";
}
if(startdate== " "&&enddate!= " "){
onedate.value=enddate;
startdate= " ";
}
</script>
<%@include file= "/common/queryButton.jsp "%>
但是我现在运行新的代码完全没有效果，恳请高手指点！~
[解决办法]
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