Anonymous

<html>
<body>
<img id="symbol" src="http://www.openclipart.org/clipart/signs_and_symbols/monetary_euro_symbol_01.png" />
<div id="text"> </div>

<script type="text/javascript">
function up(radio) {
  var symbol = document.getElementById("symbol");
  var text = document.getElementById("text");

  text.innerHTML = "Selected: " + radio.value;

  if(radio.value == 'USD') {
    symbol.src = "http://openclipart.org/people/rickvanderzwet/rickvanderzwet_dollar_sign.png";         
  }
  else {
    symbol.src = "http://www.openclipart.org/clipart/signs_and_symbols/monetary_euro_symbol_01.png";
  }

}
</script>

<input type="radio" name="curr"
value="EUR" id="EUR" onclick="up(this);">
<label for="EUR">EUR</label>

<input type="radio" name="curr"
value="USD" id="USD" onclick="up(this);">
<label for="USD">USD</label>

</body>
</html>