function loadLanguages() {
	var xhr = new XMLHttpRequest();
	xhr.onreadystatechange = function() {
		if (xhr.readyState == 4 && xhr.status == 200) {
			var selector = document.getElementById("bottom_language_selector");
			selector.hidden = false
			/* Response format is
			 * { "current": "(user current language)",
			 *   "languages": {
			 *   	"(language_code)": "(language_name"),
			 *   }} */
			var response = JSON.parse(xhr.responseText);
			for (var language in response.languages) {
				if (!response.languages.hasOwnProperty(language)) continue;

				var opt = document.createElement("option")
				opt.value = language
				opt.innerHTML = response.languages[language]
				if (language == response.current) {
					opt.selected = true
				}

				selector.appendChild(opt)
			}
		}
	}
	xhr.open("GET", "/language?format=json", true)
	xhr.send()
}

loadLanguages();