How to find out if an XML document contains a certain element (by tag name)?

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Published on 2010-06-01T19:06:42Z Indexed on 2010/06/01 19:13 UTC
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JavaScript

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Xml

Suppose I have downloaded a valid XML document via Ajax (var docum = request.responseXML;). Now how do I find out if it contains a certain element (by tag name)?

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