//This code is used to update text on a webpage by editing the Document Object Model. // To include this in an html file, type // in the section of the page. //Source of code: book "Head Rush Ajax", http://www.oreilly.com/catalog/headra/ function replaceText(el, text) { if (el != null) { clearText(el); var newNode = document.createTextNode(text); el.appendChild(newNode); } } function clearText(el) { if (el != null) { if (el.childNodes) { for (var i = 0; i < el.childNodes.length; i++) { var childNode = el.childNodes[i]; el.removeChild(childNode); } } } } function getText(el) { var text = ""; if (el != null) { if (el.childNodes) { for (var i = 0; i < el.childNodes.length; i++) { var childNode = el.childNodes[i]; if (childNode.nodeValue != null) { text = text + childNode.nodeValue; } } } } return text; }