countObjProps = function (obj) {
		var k, l = 0;
		for (k in obj) {
			if (obj.hasOwnProperty(k)) {
				l++;
			}
		}
		return l;
	}
@name Hyphenator-docLanguages
@description
An object holding all languages used in the document. This is filled by
{@link Hyphenator-gatherDocumentInfos}
@type {Object}
@private