if ('undefined' == typeof Node)
Node = { ELEMENT_NODE: 1, TEXT_NODE: 3 };
function addListener(element, baseName, handler) {
if (element.addEventListener)
element.addEventListener(baseName, handler, false);
else if (element.attachEvent)
element.attachEvent('on' + baseName, handler);
}
function decorateLabels() {
var labels = document.getElementsByTagName('label');
for (var index = 0; index < labels.length; ++index) {
var label = labels[index];
if (label.accessKey) {
var ak = label.accessKey.toUpperCase();
decorateNodeForAccessKey(label, ak);
}
if (label.htmlFor) {
var elt = document.getElementById(label.htmlFor);
if (!elt)
continue;
if (elt.id.match(/Req/))
label.className += ' required';
}
}
}
function decorateNodeForAccessKey(elt, key) {
if (Node.ELEMENT_NODE == elt.nodeType) {
var node = elt.firstChild;
while (node && !decorateNodeForAccessKey(node, key))
node = node.nextSibling;
return node;
}
if (Node.TEXT_NODE != elt.nodeType)
return false;
var pos = elt.nodeValue.toUpperCase().indexOf(key);
if (-1 == pos)
return false;
var suffix = elt.nodeValue.substring(pos + 1);
var akSpan = document.createElement('span');
akSpan.className = 'accessKey';
akSpan.appendChild(document.createTextNode(elt.nodeValue.charAt(pos)));
elt.nodeValue = elt.nodeValue.substring(0, pos);
elt.parentNode.appendChild(akSpan);
elt.parentNode.appendChild(document.createTextNode(suffix));
return true;
}
addListener(window, 'load', decorateLabels);