Shifts current row specified number of times down. If the numeric value of parameter number is negative, current row is shifted up. Current row shift is made cyclically-that is, having reached the last row in the table, current row is shifted back up to the first row.
cur-shifts the offset with respect to the current row
set-shifts the offset with respect to the first row
Example <table border="1">
<td>$goods.pos</td> <td>$goods.good</td> <td>$goods.price</td> </tr>
The given example will result in HTML-coded table containing the last row of the table from the previous example (i.e. given in the description of method menu).