Javascript go through cells of a standard report column

hi,
my apex version is 4.0.2
how can i go through the cells of a specific column?
when the cell is not null then it should remove the class "data" and add a new one data1
html snippet of the table
<th class="header" id="JACK">
<td class="data" headers="JACK">
   Text - 13320

I think this is what you need.
Add the following to the 'Execute when Page Loads' region of the Page:
$('td[headers="JACK"]').each(function() {
    if (!$(this).text()) {
        $(this).attr('class', 'data1');
});I hope it helps :)
Shunt

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    ------------------------------------------------------------------------------

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