function default_text(sourceElement, gainingFocus, displayText) {
	if (gainingFocus) {
		if (sourceElement.value == displayText) {
			sourceElement.value = '';
			sourceElement.style.color = '#000000';
		}
	} else {
		if (sourceElement.value == '') {
			sourceElement.value = displayText;
			sourceElement.style.color = '#AAAAAA';
		}
	}
}