window.addEvent('domready', function(){
									 
	var prefix = $('currencyPrefix').value;
	var rate = $('currencyRate').value;
	var currency;

	$$('.currencyPrefix').each(function(prefixArea){
		prefixArea.set('html',prefix);
	});
	
	$$('.currencyValue').each(function(currencyArea){
		currency = currencyArea.get('html');
		currencyArea.set('html',(currency*rate).toFixed(2));
	});

});