function processXML(xmlDoc) {
	l = xmlDoc.getElementsByTagName("l");

    for (var iNode = 0; iNode < l.length; iNode++) {
        var node = l[iNode].childNodes[0];
        teedee = document.getElementById("let_" + node.nodeValue);
        if(node.nodeValue == 'zero') {
            teedee.childNodes[0].innerHTML = '#';
        } else {
            teedee.childNodes[0].innerHTML = node.nodeValue;
        }
        teedee.childNodes[0].style.color = '#000000';
    }
}