function handleEnter (field, event) {

		var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode;

		if (keyCode == 13) {

			var i;

			for (i = 0; i < field.form.elements.length; i++)

				if (field == field.form.elements[i])

					break;

			i = (i + 1) % field.form.elements.length;

			field.form.elements[i].focus();

			return false;

		} 

		else

		return true;

	}