[jQuery] dimensions issue?

[jQuery] dimensions issue?


[Exception... "'Dimensions: jQuery collection is empty' when calling method:
[nsIDOMEventListener::handleEvent]" nsresult: "0x8057001e
(NS_ERROR_XPC_JS_THREW_STRING)" location: "<unknown>" data: no]
anyone know why this would happen? here is that this happens on:
$('.input:eq(' + index + ')').livequery('click', function()
{
if($('#' + indexs[index] + '_list').css('display') === 'none' &&
$('#' + indexs[index] + '_list').text() != '')
{
//alert('start');
var my_element = $('input[@name=' + indexs[index]
+']').parent('div');
var offset = my_element.offset();
var height = my_element.height();

var top = offset.top + height;
var left = offset.left;

$('#' + indexs[index] + '_list').css({'display': 'block',
'top': top,
'left': left,
'z-index': 2,
'border': '2px solid black'});
//alert('end');
}
else
{
$('#' + indexs[index] + '_list').css({'display': 'none'});
}
});
--
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