Function appendQuery

examples/hello-mui/js/mui.js:3098–3103

(url, query)

		}
	};
	var appendQuery = function(url, query) {
		if(query === '') {
			return url;
		}
		return(url + '&' + query).replace(/[&?]{1,2}/, '?');
	};
	var mimeToDataType = function(mime) {
		if(mime) {
			mime = mime.split(';', 2)[0];