[HTML] pobierz, plaintext 
<TABLE>
	<thead>
     <TR>
	  <TD>N.</TD>
	  <TD>Data:</TD>
	  <TD>Rozmiar:</TD>
	  <TD>Od:</TD>
	  <TD>Temat:</TD>
	 </TR>
	</thead>
	<tbody id="mails">
	</tbody>
   </TABLE>
[HTML] pobierz, plaintext 

function getHTML()
{
    var url = 'test.xml';
    var myAjax = new Ajax.Request( url, { onComplete: showResponse });
}

function showResponse(originalRequest)
{
    //$('mails').innerHTML = originalRequest.responseText;
    d = $("mails");
    record = originalRequest.responseXML.getElementsByTagName("record");
    for (i = 0; i < record.length; i++) {
        tr = document.createElement("tr");
        td = document.createElement("td");
        for (j = 1; j < 10; j+=2) {  // w tej linii musiałem podwoić krok pętli
            td = document.createElement("td");
            td.innerHTML = record[i].childNodes[j].childNodes[0].nodeValue;
            tr.appendChild(td);
        }
        d.appendChild(tr);
    }
}

[XML] pobierz, plaintext 
<?xml version="1.0" encoding="utf-8"?>
<records>
<record>
<imie>1</imie>
<nazwisko>2</nazwisko>
<cos>3</cos>
<cos2>4</cos2>
<cos3>5</cos3>
</record>
</records>
[XML] pobierz, plaintext 

function showResponse(originalRequest)
{
    d = $("mails");
    record = originalRequest.responseXML.getElementsByTagName("record");

    for (i = 0; i < record.length; i++) {
        tr = document.createElement("tr");

        for (j = 0; j < record[i].childNodes.length; j++) {
            if (record[i].childNodes[j].nodeType != 1) {
                record[i].removeChild(record.childNodes[record.childNodes.length - 1]);
            }
            else
            {
                td = document.createElement("td");
                td.innerHTML = record[i].childNodes[j].firstChild.nodeValue;
                tr.appendChild(td);    
            }
        }
        d.appendChild(tr);
    }
}

record[i].removeChild(record.childNodes[record.childNodes.length - 1]);

var recordElements = record[i].getElementsByTagName('*');
for (j = 0; j < recordElements.length; j++) {
                td = document.createElement("td");
                td.innerHTML = recordElements[j].firstChild.nodeValue;
                tr.appendChild(td);    
}