$(function() {
$('.TabControlRow>td:nth-child(21n+1)').addClass('leftitem1');
$('.TabControlRow>td:nth-child(21n+4)').addClass('leftitem2');
$('.TabControlRow>td:nth-child(21n+7)').addClass('leftitem3');
$('.TabControlRow>td:nth-child(21n+10)').addClass('leftitem4');
$('.TabControlRow>td:nth-child(21n+13)').addClass('leftitem5');
$('.TabControlRow>td:nth-child(21n+16)').addClass('leftitem6');
$('.TabControlRow>td:nth-child(21n+19)').addClass('leftitem7');

$('.TabControlRow>td:nth-child(21n+3)').addClass('rightitem1');
$('.TabControlRow>td:nth-child(21n+6)').addClass('rightitem2');
$('.TabControlRow>td:nth-child(21n+9)').addClass('rightitem3');
$('.TabControlRow>td:nth-child(21n+12)').addClass('rightitem4');
$('.TabControlRow>td:nth-child(21n+15)').addClass('rightitem5');
$('.TabControlRow>td:nth-child(21n+18)').addClass('rightitem6');
$('.TabControlRow>td:nth-child(21n+21)').addClass('rightitem7');

$('.TabControlRow>td:nth-child(21n+2)').addClass('item1');
$('.TabControlRow>td:nth-child(21n+5)').addClass('item2');
$('.TabControlRow>td:nth-child(21n+8)').addClass('item3');
$('.TabControlRow>td:nth-child(21n+11)').addClass('item4');
$('.TabControlRow>td:nth-child(21n+14)').addClass('item5');
$('.TabControlRow>td:nth-child(21n+17)').addClass('item6');
$('.TabControlRow>td:nth-child(21n+20)').addClass('item7');
});