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public class JavascriptEventConfirmation extends AttributeModifier {

	public JavascriptEventConfirmation(String event, String msg) {
		super(event, true, new Model(msg));
	}

	protected String newValue(final String currentValue,
			 final String replacementValue) {
		String result = "return confirm('" + replacementValue + "')";
		if (currentValue != null) {				
			result = currentValue + "; " + result;
		}
		return result;
	}
}