function i18nstring_localize (o) {
	let locale = document.body.attributes['data-pretixlocale'].value
	let short_locale = locale.split('-')[0]
	if (o[locale])
		return o[locale]

	if (o[short_locale])
		return o[short_locale]

	for (let k of Object.keys(o)) {
		if (k.split('-')[0] === short_locale && o[k]) {
			return o[k]
		}
	}

	if (o['en'])
		return o['en']

	for (let k of Object.keys(o)) {
		if (o[k]) {
			return o[k]
		}
	}
}