protected void setSelectedIconUrl(String iconUrl) {
		this.selectedIconUrl = iconUrl != null ? iconUrl : defaultIconUrl;
		emphasizeSelectedIconInChoiceList(selectedIconUrl);
		updatePreview();
	}
protected void setSelectedIconUrl ( String iconUrl ) { this . selectedIconUrl = iconUrl != null ? iconUrl : defaultIconUrl ; emphasizeSelectedIconInChoiceList ( selectedIconUrl ) ; updatePreview ( ) ; }
/* selection and emphasis