Getting Attributes
		Attributes are the name=value entries in our tags. We can get these attributes with the getAttributes method of Element.  This returns to us a NamedNodeMap, through which we can iterate. Pass an index number to the item method of he NamedNodeMap to get the corresponding Node.  Then use the Node methods to do with it what we wish. Alternatively, you can pass an attribute name to the getAttribute method of Element.  Reading Database Properties from XML