function convert_currency() {
	var currency_request = new Request({
		method 		: 'get',
		url			: '/currency/convert/' + $('product_price').innerHTML + '/' + $('select_currency').options[$('select_currency').selectedIndex].value,
		onRequest	: function() {
			$('international_price').innerHTML = 'loading';
		},
		onSuccess	: function(text) {
			$('international_price').innerHTML = text + ' (' + $('select_currency').options[$('select_currency').selectedIndex].value + ')';
		}
	}).send();
}