i have a problem in _javascript_
i have a html File like this
<html>
<head>
<title>Untitled</title>
</head>
<body>
<form>
<table>
<tr>
<td><input type="Text" name="name1" id="name_1"> </td>
<td><input type="Text" name="age" id="age_1"> </td>
<td><input type="Text" name="marks" id="mark_1" > </td>
</tr>
<tr>
<td><input type="Text" name="name1" id="name_1"> </td>
<td><input type="Text" name="age" id="age_1"> </td>
<td><input type="Text" name="marks" id="mark_1" > </td>
</tr>
<tr>
<td><input type="Text" name="name1" id="name_1"> </td>
<td><input type="Text" name="age" id="age_1"> </td>
<td><input type="Text" name="marks" id="mark_1" > </td>
</tr>
<tr>
<td><input type="Text" name="name1" id="name_1"> </td>
<td><input type="Text" name="age" id="age_1"> </td>
<td><input type="Text" name="marks" id="mark_1" > </td>
</tr>
</table>
<input type=submit value="Click" name="final" > </body>
</html>
if all the columns in a row are empty then no problem ,if one column is filled other column are not filled in a row then i need to give a alert
how can i do this
Note:all control in a column are same
regards
Vishnu
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