form input to be modify

form modification if wrong input

[kulitnakalbo]

i have php input form to modify if the input is mistakes...
i have link it to javascript pop up window. if the $data1 is wrong
<tr>
<td><input type="text" name="u_data1" value="<?php echo"$data1"; ?>" </td>
<td><a href="javascript:edit()">click here to change</a></td>

<tr>
click here will is link edit.php that will retrieve the data on mysql table data.

thanks