// JavaScript Document
var isOpen = false;
var timer;
var boxHeight;
var cnt = 1;

function switchMsgBox() {
	return;
	if (!boxHeight) {
		var msgBox = document.getElementById("msgBox");
		boxHeight = msgBox.offsetHeight;
		//if (!msgBox.style.pixelHeight)
			//msgBox.style.pixelHeight = boxHeight;
		//alert(msgBox.style.pixelHeight);
		//alert(boxHeight);
	}
	
	if (isOpen) {
		isOpen = false;
		closeMsgBox();
	}
	else {
		isOpen = true;
		openMsgBox();
	}
}
function openMsgBox() {
	var msgBox = document.getElementById("msgBox");
	msgBox.style.display = "block";
	topic(0);
	
	if (timer) 
		clearInterval(timer);
	//timer = setInterval("scrollBox()", 50);
}

function closeMsgBox() {
	var msgBox = document.getElementById("msgBox");
	msgBox.style.display = "none";
	
	if (timer) 
		clearInterval(timer);
	//timer = setInterval("scrollBox()", 50);
}
function scrollBox() {
	var msgBox = document.getElementById("msgBox");
	var delta = isOpen ? 5 : -5;
	
	
	if (msgBox.style.pixelHeight < 0 || msgBox.style.pixelHeight > boxHeight) {
		clearInterval(timer);
		//alert("aaa");
		return;
	}
	
	msgBox.style.overflow = "hidden";
	msgBox.style.pixelHeight += delta;
	window.status = msgBox.style.pixelHeight;
}

function topic(tid) {
	return;
	var divTopics = document.getElementById("topics");
	var topic_1 = document.getElementById("topic_1");
	var topic_2 = document.getElementById("topic_2");
	var topic_3 = document.getElementById("topic_3");
	switch(tid) {
		case 0:
			/*divTopics.style.pixelHeight = topicHeight1;
			divTopics.scrollTop = 0;
			alert(topicHeight1);*/
			if (topic_1) topic_1.style.display = "block";
			if (topic_2) topic_2.style.display = "none";
			if (topic_3) topic_3.style.display = "none";
			break;
		case 1:
			/*divTopics.style.pixelHeight = topicHeight2;
			divTopics.scrollTop = topicHeight1 - 2;
			alert(topicHeight2);*/
			if (topic_1) topic_1.style.display = "none";
			if (topic_2) topic_2.style.display = "block";
			if (topic_3) topic_3.style.display = "none";
			break;
		case 2: 
			/*divTopics.style.pixelHeight = topicHeight3 - 12;
			divTopics.scrollTop = topicHeight1 + topicHeight2 ;
			alert(topicHeight3);*/
			if (topic_1) topic_1.style.display = "none";
			if (topic_2) topic_2.style.display = "none";
			if (topic_3) topic_3.style.display = "block";
			break;
		default:
			;
	}
	return false;
}