function screenSetup() {
	if ($('#focusField').attr('value')) {
		$('#' + $('#focusField').attr('value')).focus();
	} else {
		$('#' + $('select:first, input:first')[0].id).focus();
	}
}

function numericMask(e) {
	var key = e.keyCode ? e.keyCode : e.which ? e.which : e.charCode;
	return key == 8 || key == 9 || key == 13 || key == 37 || key == 39
			|| (key > 45 && key < 58);
}

function refreshCaptchaImage(element) {
	if (element) {
		element.src = "captchaImage.form#" + new Date().getTime();
	}
	return false;
}