Homework - Need seriously help Please

hello volks over here, I am working with a programm on a automated system of answer mails, my problem is I have to create a Css Selector, to reach the goal, as you can see on the JPEG attached it has to be refering to the date time underlined.
there is a javascript code also working on this site, I don´t really know if this could be done, but please try to help me with this.
thanks a lot looking forward on your answers

sorry for posting url but I have no chanche to attach any jpeg

h t t p://w w w.html.de/css/47183-brauche-dringend-hilfe-zum-thema-css-selector.html

here is the javascript code of the table on the site I´m trying to read out data

<script type="text/javascript">
$(document).ready(function(){
var pageload_count = 0;
var load_pending = false;
/*
setTimeout(function(){
if ( !pageload_count )
{
var report = {
'history': {
'type': $.history.type
},
'navigator': {
'userAgent': navigator.userAgent
},
'plugins': []
};

for (i = 0; i < navigator.plugins.length; i++)
{
report.plugins[i] = {
'name': navigator.plugins[i].name,
'description': navigator.plugins[i].description
};
}
$.post('/report', report);
}
}, 500);
*/

function pageload(anchor)
{
pageload_count++;
load_pending = false;
var page = 1;
if (!anchor)
anchor = 'inbox';

var target = anchor.split('|');
var hash = target[0];

$('.tabs a').each(function(){
var href = $(this).attr('href');

if ( '#'+hash == href )
$(this).removeClass('off').addClass('on');
else
$(this).removeClass('on').addClass('off');
});

if (hash == 'inbox')
{
$('#msg-list-inbox').show();
$('#msg-list-sent').hide();
$('#msg-list-texts').hide();
$('#msg-read').hide();
if (target[1])
page = target[1];
var f1 = target[2] ? target[2] : 0;
var f2 = target[3] ? target[3] : 0;
var f3 = target[4] ? target[4] : 0;
loadHeaders('inbox', page, f1, f2, f3);
}
else if (hash == 'sent')
{
$('#msg-list-inbox').hide();
$('#msg-list-sent').show();
$('#msg-list-texts').hide();
$('#msg-read').hide();
if (target[1])
page = target[1];
var f1 = target[2] ? target[2] : 0;
var f2 = target[3] ? target[3] : 0;
var f3 = target[4] ? target[4] : 0;
loadHeaders('sent', page, f1, f2, f3);
}
else if (hash == 'message')
{
$('#msg-list-inbox').hide();
$('#msg-list-sent').hide();
$('#msg-list-texts').hide();
$('#msg-read').show();
loadMessage(target[1], target[2]);
}
else if (hash == 'texts')
{
$('#msg-list-inbox').hide();
$('#msg-list-sent').hide();
$('#msg-list-texts').show();
$('#msg-read').hide();

$('#msg-list-texts').load('index_texts', '', function(){
var editor = $(this).find('form textarea').rte({
width: 585,
height: 178,
controls_rte: rte_msgtb
});

var form = $(this).find('form');

$(this).find('table.table a.delete').click(function(){
$(this).blur();
if (confirm('Wirklich löschen?'))
{
var id = $(this).attr('rel');
$.post('index_texts', { 'act' : 'del', 'id': id }, function(response){
if (parseInt(response) == 1)
pageload( hash );
});
}
});
$(this).find('table.table a.edit').click(function(){
$(this).blur();
form.show();

var rel = $(this).attr('rel');
var params = { act: 'text', id: rel };
form.find('input[name=id]').val( rel );

$.get('/msg/ajaxform', params, function(response){
editor[0].set_content(response);
});
});
form.submit(function(){
var message = editor[0].get_content();
var id = form.find('input[name=id]').val();

$.post('index_texts', { 'act' : 'new', 'message': message, 'id': id }, function(response){
if (parseInt(response) == 1)
pageload( hash );
});
return false;
});
});

}

}

$('.tabs a').click(function(){
$(this).blur();
});


loadHeaders = function(folder, page, f1, f2, f3){
var clicked = $('#tab-'+folder);
var clickedList = $('#msg-list-'+clicked.attr('id').split('-')[1]);

var container = $('#msg-list-'+folder);
container.find('form[name=msglist]').each(function(){
var h = $(this).height();
$(this).height(h).html('').addClass('loader1');
});
$.get('index_list?folder='+folder+'&page='+page+'&f1='+f1+'&f2='+f2+'&f3='+f3, function(response){
container.show().html(response);
container.find('.userlink').userTooltip();
container.find('.prune').click(function(){
Boxy.ask('Soll der Postausgang wirklich geleert werden?', {"Y":"Ja, leeren", "N":"Abbruch"}, function(r){
if (r == "Y")
{
var b = new Boxy('<div>Bitte warten...</div>', { modal: true, unloadOnHide: true, afterShow: function(){
$.get('prune_sent', function(){
loadHeaders(folder, 1, f1, f2, f3);
b.hide();
});
} } );
}
});
});

container.find('form[name=filter]').submit(function(){
var f1 = container.find('select[name=f1]').val();
var f2 = container.find('select[name=f2]').val();
var f3 = container.find('select[name=f3]').val();

var url = '#' + folder + '|1|' + f1 + '|' + f2 + '|' + f3
window.location.href = url;

//loadHeaders(folder, 1, f1, f2, f3);
return false;
});

container.find('tbody tr td a.delete').each(function(){
$(this).click(function(){
$(this).blur();
if ($(this).parent().hasClass('unread'))
{
alert('Ungelesene Nachrichten dürfen nicht ausgeblendet werden.');
}
else
{
if (confirm('Soll die Nachricht wirklich ausgeblendet werden?'))
{
var row = $(this).closest('tr');
var id = row.attr('id').split('-')[1];
$.post('index_load', { 'act' : 'del', 'msg[]' : id }, function(){
//clicked.click();
row.remove();
});
}
}
});
});
container.find('td input[type=checkbox]').change(function(){
var checked_count = 0;
container.find('td input[type=checkbox]:checked').each(function(){
checked_count++;
});
if (checked_count > 0)
container.find('.delete-selected').closest('tr').show();
else
container.find('.delete-selected').closest('tr').hide();
});
container.find('#toggle-check').change(function(){
//var enabled = $(this).prop('checked');
var enabled = this.checked;
$(this).closest('table').find('td input[type=checkbox]').each(function(){
if (enabled && !this.checked )
{
$(this).attr('checked', 'checked');
$(this).change();
}
else if (!enabled && this.checked)
{
$(this).attr('checked', '');
$(this).change();
}
});
});
container.find('.delete-selected').click(function(){
if (confirm('Sollen die markierten Nachrichten wirklich ausgeblendet werden?'))
{
var params = 'act=del&'+container.find('form').serialize();
$.post('index_load', params, function(){
container.find('td input[type=checkbox]:checked').each(function(){
$(this).closest('tr').remove();
});
window.setTimeout(function(){
loadHeaders(folder, page);
}, 1000);
});
}
});
/*
container.find('.pagectl a').each(function(){
$(this).click(function(){
var temp = $(this).attr('href').split('|')[1];
page = temp;
loadHeaders(folder, page, f1, f2, f3);
});
});*/
container.find('tbody tr .clickable').each(function(){
$(this).click(function(){
var clickedRow = $(this).closest('tr');
//clickedList.hide();
var temp = clickedRow.attr('id').split('-');
var messageId = temp[1];
var threadId = temp[2] ? temp[2] : messageId;
load_pending = true;
window.location.href = '#message|'+messageId+'|'+threadId;
setTimeout(function(){
if (load_pending) {
jQuery.post('/debuglog', {log: 'Ladevorgang wurde nicht ausgeführt!'});
}
}, 1000);
});
});
});
}



loadMessage = function(messageId, threadId){
var div = $('#msg-read');
var h = div.height();
if (h < 300) h = 300;
div.html('').css('min-height', h+'px').addClass('loader1');

$('#msg-read').load('index_load?messageId='+messageId+'&threadId='+threadId, '', function(){
div.removeClass('loader1').css('min-height', null);
$('#msg-read').show();
$('#msg-read').find('.userlink').userTooltip();

$('#msg-note a').click(function(){
var form = $(this).parent().find('form');
form.show();
form.find('textarea').focus();
$(this).remove();
});

$('#msg-note textarea').keyup(function(){
$(this).parent().find('input[type=submit]:hidden').show();
});

$('#msg-note form').submit(function(){
var params = $(this).serializeArray();
$(this).find('input[type=submit]').hide();
$.post('note_save', params);
return false;
});

$('.msg-read-att div.entry a').click(function(){
var link = $(this);
var entryDiv = $(this).closest('div.entry');
var href = $(this).attr('href');

if ( entryDiv.hasClass('locked') )
{
var coins = parseInt( $(this).closest('div.msg-read-att').attr('title') );
Boxy.ask('Die Anhänge der Nachricht kosten '+coins+' Coins. Wirklich öffnen?', {"Y":"Ja, Coins bezahlen", "N":"Abbruch"}, function(r){
if (r == "Y")
{
var mid = entryDiv.closest('div.msg').attr('id').split('-')[1];
$.get("att_buy", { messageId: mid }, function(response){
if (response)
{
alert(response);
}
else
{
entryDiv.closest('div.msg-read-att').find('div.entry').removeClass('locked');
link.click();
}
});
}
});
}
else
{
if ($(this).hasClass('view'))
{
b = new Boxy('<div class="loader1" style="width: 100px; height: 100px;"></div>', { modal: true, title: '&nbsp;', unloadOnHide: true, afterShow: function(){
var img = new Image();
$(img).load(function(){
b.setContent( $(img) );
var width = $(this).width();
var height = $(this).height();

if (height + 50 > window.innerHeight)
{
var ratio = width / height;
var nHeight = window.innerHeight - 50;
var nWidth = Math.floor(nHeight * ratio);
$(this).width(nWidth);
$(this).height(nHeight);
}
b.center();
});
$(img).attr('src', href);
$(img).click(function(){
b.hideAndUnload();
});
} } );
}
else if ($(this).hasClass('download'))
{
window.location.href = href;
}
}
return false;
});
/*
$('.msg-read-att div.entry a:first-child').click(function(){
return false;
});*/

loadHistory = function(param){
$('#msg-read-history').html('').height(200).addClass('loader1');
$.get('index_history'+param, function(response){
$('#msg-read-history').removeClass('loader1').css('height', null).html( response );
$('#msg-read-history .pagectl a').click(function(){
var param = $(this).attr('href');
loadHistory(param);
return false;
});
});

}

$('#msg-read input.history').click(function(){
var param = $(this).attr('rel');
loadHistory(param);
});

$('#msg-read input.reply').click(function(){
var temp = $(this).attr('rel').split('=')[1];
msgClick({
threadId: temp,
container: 'msg-reply',
onSend: function(){
$('#msg-read-conv').load('index_load?reload=1&messageId='+messageId+'&threadId='+threadId);
}
});
});

$('#msg-read div.msg h3 a.peach').click(function(){
var link = $(this);
Boxy.ask('Enhält die Nachricht Werbung? Hat der Absender der Nachricht dir gedroht, etwas anderes ungesetzliches getan/angekündigt oder gegen die Nutzungsbedingungen verstoßen?',
{"Y":"Diese Nachricht dem Support melden", "N":"Abbruch"}, function(r){
if (r == "Y")
{
var mid = link.attr('rel');
$.post("peach", { messageId: mid }, function(response){
alert('Vielen Dank. Die Nachricht wurde dem Support gemeldet.');
});
}
});
});
$('#msg-read div.msg h3 a.peach').tooltip({
tip: '#tooltip1',
position: "top center",
offset: [-10, 0]
});
});
}
$.history.init(pageload);
// pageload();


});
</script>