"><CODE>evaluate(Object item, QName returnType)</CODE></A> on the resulting 
 document object.</p>

 <p>See "Evaluation of XPath Expressions" section of JAXP 1.3 spec
  for context item evaluation,
 variable, function and QName resolution and return type conversion.</p>

 <p>If <code>returnType</code> is not one of the types defined in 
 <A HREF="../../../../javax/xml/xpath/XPathConstants.html"><CODE>XPathConstants</CODE></A>,
 then an <code>IllegalArgumentException</code> is thrown.</p>

<p>If <code>source