function findInfobaseProductType () {
	var metas, meta, i, content;
	metas = document.getElementsByTagName("meta");
	for (i = 0; i < metas.length; ++i) {
		meta = metas[i];
		if (meta.getAttribute("name").toLowerCase() ===
		    "producttype") {
			content = meta.getAttribute("content");
			break;
		}
	}
	if (content === null || content === undefined ||
	    !/\S/.test(content)) {
		content = "none";
	}
	return content;
}