private void processBodyElement(XML.Element c) {
Hash h = new Hash(c.len * 2, 3);
for(int i=0; i<c.len; i++) {
+ if (c.keys[i] == null) continue;
if (c.keys[i].endsWith(":image")) {
String uri = (String)c.urimap.get(c.keys[i].substring(0, c.keys[i].indexOf(':')));
c.keys[i] = c.keys[i].substring(c.keys[i].lastIndexOf(':') + 1);