serverPost = function (action,requestParams,onsuccess) {
	requestParams = requestParams||{};
	requestParams = $.extend({action:action},requestParams);
	$.ajax({
		type : 'POST',
		url : window.location.href,
		data : requestParams,
		success : ($.isFunction(onsuccess))?onsuccess:$.noop,
		dataType:'json'
	});
}