Getting back XML DOM Data

[PeejAvery]

You are a node too shallow and also missing the siblings within each childNode. I would suggest using the following for both simplicity, and efficiency.

xmlDocumentElement = xmlHttp.responseXML.documentElement;
pr_names = xmlDocumentElement.getElementsByTagName('name');
pr_details = xmlDocumentElement.getElementsByTagName('details');

for(i = 0; i < pr_names.length; i++){
  document.getElementById("details_box").innerHTML = pr_names[i].firstChild.nodeValue + "<br />" + pr_details[i].firstChild.nodeValue + "<br />";
}