function hasInlineImages(el) {
for (var ii = 0; ii < el.getNumChildren(); ii++) {
var child = el.getChild(ii);
if (child.getType() == "INLINE_IMAGE") {
var blob = UrlFetchApp.fetch("https://encrypted-tbn3.gstatic.com/images?q=tbn:ANd9GcQrynF6f9UOdCBs47WAlLdFU319YmB6H43ymqbKgNyrU8dEdtDtpQ").getBlob()
el.insertInlineImage(ii, blob);
el.removeChild(child);
return true;
}
}
return false;
}