var DisableKeys = {
	toDisable: [13], // Default to disabling just Enter key

	eventHandler: function(event, codesToDisable) {

		if (! codesToDisable)
			codesToDisable = DisableKeys.toDisable;
		if (window.event) // IE
			event = window.event;

		var key;
		if (!! event.which && event.which > 0) // Firefox
			key = event.which;
		else if (!! event.keyCode && event.keyCode > 0) // Firefox or IE non-char
			key = event.keyCode;
		else if (!! event.charCode) // Firefox or IE char
			key = event.charCode;

		for (var i = 0; i < codesToDisable.length; i++) {
			if (key == codesToDisable[i])
				return false;
		}
		return true;
	}
}