function hideMessage(messageHideButton)
{
	// try to find parent element with class 'message'
	var ancestorList = $(messageHideButton).parents('.message');
	if (ancestorList.length > 0)
	{
		$(ancestorList.get(0)).hide("slow", function(){
			__doPostBack(messageHideButton.id.replace(/_/g, '$'),'');
		});
		return false;
	}
	return true;
}