This function creates a new instance of class
DOMAttr. This node will not show up in the document unless
it is inserted with e.g. DOMNode->appendChild().
Parameters
namespaceURI
The URI of the namespace.
qualifiedName
The tag name and prefix of the attribute, as prefix:tagname.
Return Values
The new DOMAttr or FALSE if an error occured.
Exceptions
DOM_INVALID_CHARACTER_ERR
Raised if qualifiedName contains an invalid character.
DOM_NAMESPACE_ERR
Raised if qualifiedName is a malformed qualified
name, or if qualifiedName has a prefix and
namespaceURI is NULL.
