fied local name, prefix, and URI and adds the new element to this
 <code>SOAPElement</code> object.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>localName</code> - a <code>String</code> giving the local name for
        the new element</dd>
<dd><code>prefix</code> - a <code>String</code> giving the namespace prefix for
        the new element</dd>
<dd><code>uri</code> - a <code>String</code> giving the URI of the namespace
        to which the new element belongs</dd>
<dt><span 