BioOne Redux

function detectWeb(doc, url) {
	var namespace = doc.documentElement.namespaceURI;
	var nsResolver = namespace ? function(prefix) {
	if (prefix == 'x') return namespace; else return null;
	} : null; 

	if (url.indexOf("/action/showBook") != -1 || url.indexOf("/toc/") != -1) {
		return "multiple";
	} else if (url.indexOf("/doi/") != -1) {
		var links = doc.evaluate("//a[@href]", doc, nsResolver, XPathResult.ANY_TYPE, null);
		var bookRe=new RegExp("action/showBook");
		while (headers = links.iterateNext()) {
			if (bookRe.test(headers.toString())) {
				return "chapter";
			}
		}
		return "journalArticle";
	}
}

/*
To do:
if the page is a PDF, the item type cannot be determined > probably not worth it to do a doGet to get related HTML page

Journal TOC:
http://www.bioone.org/toc/arac/37/1, http://www.bioone.org/toc/eden/current
Book chapters:
http://www.bioone.org/action/showBook?doi=10.1896%2F978-1-934151-07-5

Journa article:
http://www.bioone.org/doi/abs/10.1653/024.092.0101
http://www.bioone.org/doi/full/10.1653/024.092.0101
http://www.bioone.org/doi/pdf/10.1653/024.092.0101

Book chapter:
Abstract: http://www.bioone.org/doi/abs/10.1896/978-1-934151-07-5.3
Full-text: http://www.bioone.org/doi/full/10.1896/978-1-934151-07-5.3
PDF: http://www.bioone.org/doi/pdf/10.1896/978-1-934151-07-5.4
http://www.bioone.org/doi/abs/10.1199/tab.0120
*/