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javascript for calculating total for a column

In my HTML document, I have a table contains following fields:

StudentID|ExamScore1|ExamScore2
00001|90|100
00002|70|100
00003|60|80

How do I write a javascript to calculate the total for ExamScore1 and ExamScore2 columns? So my table will look like this:
00001|90|100
00002|70|100
00003|60|80
Total|220|280

Thanks for your help.

sunithnair

You mean HTML table? If so then is the number of rows going to remain the same?

dennis231

ASKER

Yes, it is a html table, but the number of rows will be changed from time to time.

Sample table:
<table border="1" width="822">
<tr>
<td width="266">StudentID</td>
<td width="266">
ExamScore1
</td>
<td width="266">
ExamScore2
</td>
</tr>
<tr>
<td width="266">
00001
</td>
<td width="266">90</td>
<td width="266">100</td>
</tr>
<tr>
<td width="266">
00002
</td>
<td width="266">70</td>
<td width="266">100</td>
</tr>
<tr>
<td width="266">
00003
</td>
<td width="266">60</td>
<td width="266">80</td>
</tr>
<tr>
<td width="266" bgcolor="aqua">Total</td>
<td width="266" bgcolor="aqua">220  <-calculate total</td>
<td width="266" bgcolor="aqua">
280 <-calculate total
</td>
</tr>
</table>

sunithnair

I can do it for you tomorrow if you can wait. Time for me to sleep now..

ASKER CERTIFIED SOLUTION

hielo

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