var prevID;
function changePage(id) {
	if (!prevID) {
		prevID = 1;
	}
	if (prevID == id) {
		return false;
	}
	ge('room_' + prevID).className = '';
	ge('room_' + id).className = 'sel';
	//ge('wrap').innerHTML = '<div class="contentLoader"><img src="/styles/default/imgs/progress.gif" alt="" /><br>' + ajax_matLoading + '...</div>';
	ge('left').innerHTML = '<div class="contentLoader"><img src="/styles/default/imgs/progress.gif" alt="" /><br>' + ajax_matLoading + '...</div>';
	changePageContent(id);
	prevID = id;
}

function changePageContent(id) {
	var ajax = new Ajax();
	ajax.onDone = pageContentChange;
	ajax.onFail = pageContentChangeFailed;
	pageContentChangeError();
	ajax.post('/modules/menu/action.php', {'action': 'showPage', 'id': id, 'language': language});
}

function pageContentChange(ajaxObj, responseText) {
	var msg;
	//switch(responseText) {
	//	case '101':
	//		msg = 'Сообщение успешно отправлено!';
	//		break;
	//	default:
			ge('left').innerHTML = responseText;
	//}
	/*
	ge('comments').innerHTML = msg;
	if (responseText == '1') {
		ge('name').value = '';
		ge('message').value = '';
	}
	ge('commentsBorder').style.display = 'block';
	*/
	//fade.addRule('fadeRule1',"#a9a8a7","#282522", "color", 100, 30);
	//fade(ge('comments').id, 'fadeRule1');
	//ge('commentsBorder').style.display = "none";
};

function pageContentChangeFailed(ajaxObj, responseText) {
  if (responseText.length)
    pageContentChangeError(responseText);
  else 
    pageContentChangeError("Request error.");
  ge('progress').style.display = 'none';
}

function pageContentChangeError(error_msg) {
	if (error_msg) {
		ge('comments').innerHTML = error_msg;
		//ge('commentsBorder').style.display = "block";
	} else {
		//ge('commentsBorder').style.display = "none";
	}
}