SO jQuery Fiddle
Test Fiddle mainly for SO Questions jQuery 1.4.3, UI 1.8.5
by Nick Craver
HTML
<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.5/themes/ui-lightness/jquery-ui.css">
<select id="cardtype" name="cardtype">
<option selected='y' value="debit-0.00-50.00">Debit1</option>
<option value="debit-0.00-50.00">Debit2</option>
<option value="debit-0.00-50.00">Debit3</option>
<option value="Credit-1.00-50.00">CreditCard</option>
</select>
JavaScript
$('#cardtype').change(function() {
alert($(this).val());
});