//<![CDATA[
window.onload = function() {	
	rolinTab("rolin")
}
function rolinTab(obj) {
	var list = $(obj).getElementsByTagName("LI");
	var state = {show:false,hidden:false,showObj:false};
	
	for (var i=0; i<list.length; i++) {
		var tmp = new rolinItem(list[i],state);
		if (i == 0) tmp.pShow();
	}			
}
function rolinItem(obj,state) {
	var speed = 0.0666; 
	var range = 1;
	var interval;
	var tarH;
	var tar = this;
	var head = getFirstChild(obj);
	var content = getNextChild(head);
	var isOpen = false;
	this.pHidden = function() {
		if (isOpen) hidden();
	}
	this.pShow = show;
	var baseH = content.offsetHeight;
	content.style.display = "none";
	var isOpen = false;
	head.onmouseover = function() {
		this.style.background = "#eeeeee";
	}
	head.onmouseout = mouseout;
	head.onclick = function() {
		this.style.background = "#eeeeee";
		if (!state.show && !state.hidden) {
			if (!isOpen) {
				head.onmouseout = null;
				show();
			} else {
				hidden();
			}
			
		}
	}
	function mouseout() {
		this.style.background = "#eeeeee"
	}
	function show() {
		head.style.borderBottom = "1px solid #DADADA";
		state.show = true;
		if (state.openObj && state.openObj != tar ) {
			state.openObj.pHidden();
		}
		content.style.height = "0px";
		content.style.display = "block";
		content.style.overflow = "hidden";
		state.openObj = tar;
		tarH = baseH;
		interval = setInterval(move,10);
	}
	function showS() {
		isOpen = true;
		state.show = false;
	}
	function hidden() {
		state.hidden = true;
		tarH = 0;
		interval = setInterval(move,10);
	}
	function hiddenS() {
		head.style.borderBottom = "none";
		head.onmouseout = mouseout;
		head.onmouseout();
		content.style.display = "none";
		isOpen = false;
		state.hidden = false;
	}
	function move() {
		var dist = (tarH - content.style.height.pxToNum())*speed;
		if (Math.abs(dist) < 1) dist = dist > 0 ? 1: -1;
		content.style.height = (content.style.height.pxToNum() + dist) + "px";
		if (Math.abs(content.style.height.pxToNum() - tarH) <= range ) {
			clearInterval(interval);
			content.style.height = tarH + "px";
			if (tarH != 0) {
				showS()
			} else {
				hiddenS();
			}
		}
	}
}
var $ = function($) {return document.getElementById($)};
String.prototype.pxToNum = function() {return Number(this.replace("px",""))}
function getFirstChild(obj) {
	var result = obj.firstChild;
	while (!result.tagName) {
		result = result.nextSibling;
	}
	return result;
}
function getNextChild(obj) {
	var result = obj.nextSibling;
	while (!result.tagName) {
		result = result.nextSibling;
	}
	return result;
}
//]]>