Dear Sir ,
How to get an Id value of a column when it is select ,i have to get an perticular rows Id value .I have a table with attributes like select,Id,subject,matter,status...If i select a one row i have to get a particular rows Id value.how to do this sir .I done the following things

<form name="mesdetails" method="post" action="../mesdetails.do"><input type="hidden" name="act" value="" />
<table class="ContentTable" id="results">
///following will be in the loop

<tr>
<td align="center" valign="middle"><input type="hidden"
value="<%=intId%>" name="Id"><input type="radio" name="checkBox" class="inptCheck" /></td>
<td align="center" valign="middle"><%=intId%></td>
<td align="center" valign="middle"><%=strSubject%></td>
<td align="left" valign="middle" style="padding-left:5px;word-break:break-all">&nbsp;<a href="#" name="tip"
class="tip"><%=subStringArray[0]%><span> <%=strString%></span></a></td>
<td align="center" valign="middle"><a href="<%=strMatterFile%>" name="tip" class="tip"><%=subStrFile[0]%><span><%=strFile %></span></a></td>
<td align="center" valign="middle"><%=strStatus%></td>
<td align="center" valign="middle"><%=strFrom%></td>
</tr>
//loop closed
//after
<td colspan="2" align="center">
<input type="button" class="inptButton" name="btnNew" value="New" onclick="return setaction(0,this)">
<input type="button" class="inptButton" name="btnModify" value="Modify" onclick="return setaction(1,this)">
<input type="button" class="inptButton" name="btnDelete" value="Delete" onclick="return setaction(2,this)">
<input type="button" class="inptButton" name="btnTestMail" value="Test Mail" onclick="return setaction(3,this)">
<input type="button" class="inptButton" name="btnApprovedAndSendToAll" value="Approved And Send To All" onclick="return setaction(4,this)">
</td>
<input type="hidden" name="selectedRecord" value="true"/>
</form>
<script type="text/javascript">

var pager = new Pager('results', 10);
pager.init();
pager.showPageNav('pager', 'pageNavPosition');
pager.showPage(1);

</script>

<script type="text/javascript">
function setaction(num,obj)
{
var answer=0;
if(num==0)
{
document.mesdetails.act.value = "1";
pageSubmit(obj);
return true;
}
else if(num==1)
{
document.mesdetails.act.value = "3";
return Myaction(num,obj);
}
else if(num==2)
{
document.mesdetails.act.value = "2";
return Myaction(num,obj);
}
else if(num==3)
{
document.mesdetails.act.value = "4";
return Myaction(num,obj);
}
else if(num==4)
{
document.mesdetails.act.value = "5";
return Myaction(num,obj);
}
alert("No such action found");
return false;
}
//var last = eval(eval(unescape(teks)));

function Myaction(num,obj)
{
var data="";
var count=0;
for( var i=0;i<document.getElementsByName("Id").length;i++)
{
if(document.getElementsByName("checkBox")[i].checked)
{
data +=document.getElementsByName("Id")[i].value +",";
count++;
}
}
if(count==0)
{
alert("Please select One Record");
return false;
}
else
{
data = data.substring(0,data.length-1);
document.mesdetails.selectedRecord.value = data;
if(num==1)
{
if(count>1)
{
alert("Please Select Only One Row");
return false;
}
pageSubmit(obj);
return true;
}
else if(num==2)
{
if(count>1)
{
alert("Please Select Only One Row");
return false;
}
pageSubmit(obj);
return true;
}
else if(num==3)
{
if(count>1)
{
alert("Please Select Only One Row");
return false;
}
pageSubmit(obj);
return true;
}
else
return false;
}
}

function pageSubmit(obj)
{
var namedObj = document.getElementsByName(obj.name);//I am getting error here i.e red line coming for getElementsByName() method
for(var i = 0;i<namedObj.length;i++)
namedObj[i].disabled = true;
document.mesdetails.submit();
}
function openClickedRecordDetails(Id)
{
var x = window.open("../mesdetails.do?act=1&Id="+ Id,"SingleLeaveDetail","status=0,toolbar=0,location=0,menubar=0,directories=0,resizable=0,scrollbars=0,width=500,height=380");
x.moveTo(300,200);//I am getting error here i.e red line coming
}

So please help me sir if any changes

Thanks and Regards
Harini Veerapur.