//Contents for menu 1 - 資料下載專區
var menu1 = new Array();
menu1[0] = '<a href="../south/download/sub-gps.html">測速點更新</a>';
menu1[1] = '<a href="../south/download/sub-dvr.html">軟體下載</a>';
menu1[2] = '<a href="../south/download/sub-manual.html">電子手冊</a>';

//Contents for menu 2 - 商品展示櫥窗
var menu2 = new Array();
menu2[0] = '<a href="../south/products/sub-rdv.html">行車紀錄 + 測速器</a>';
menu2[1] = '<a href="../south/products/sub-dvr.html">行車紀錄器區</a>';
menu2[2] = '<a href="../south/products/sub-gps.html">衛星測速器區</a>';
menu2[3] = '<a href="../south/products/sub-laser.html">雷射防護罩區</a>';
menu2[4] = '<a href="../south/products/sub-saleout.html">停售產品</a>';

//Contents for menu 4 - 公司簡介
var menu4 = new Array();
menu4[0] = '<a href="../south/contactus/news.html">最新消息</a>';
menu4[1] = '<a href="../south/contactus/index.html">公司資訊</a>';
menu4[2] = '<a href="../south/contactus/contact.html">聯絡方式</a>';
menu4[3] = '<a href="../south/contactus/service.html">線上客服</a>';

//Contents for menu 3 - 相關資訊
var menu3 = new Array(); 
menu3[0] = '<a href="../south/info/rd-enfo.html">認識測速系統</a>';
menu3[1] = '<a href="../south/info/rd-trap.html">測速系統寫真</a>';
menu3[2] = '<a href="../south/info/rd-photos.html">違規舉證照片</a>';
menu3[3] = '<a href="../south/info/rd-spec.html">測速系統規格</a>';
menu3[4] = '<a href="../south/info/rd-dete.html">反雷達偵測器</a>';
menu3[5] = '<a href="../south/info/rd-laws.html">相關交通法規</a>';
menu3[6] = '<a href="../speedtrap/speedtrap.htm">測速地點列表</a>';

var menuwidth = '165px'; //default menu width
var menubgcolor = '#E6E6E6'; //menu bgcolor
var disappeardelay = 120; //menu disappear speed onMouseout (in miliseconds)
var hidemenu_onclick = "yes"; //hide menu when user clicks within menu?

/////No further editting needed

var ie4 = document.all;
var ns6 = document.getElementById&&!document.all;

if(ie4 || ns6)
	document.write('<div id="dropmenudiv" style="visibility:hidden;width:'+menuwidth+';background-color:'+menubgcolor+'" onMouseover="clearhidemenu()" onMouseout="dynamichide(event)"></div>')

function getposOffset(what, offsettype)
{
	var totaloffset = (offsettype == "left")? what.offsetLeft : what.offsetTop;
	var parentEl = what.offsetParent;

	while(parentEl != null)
	{
		totaloffset = (offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
		parentEl = parentEl.offsetParent;
	}

	return totaloffset;
}

function showhide(obj, e, visible, hidden, menuwidth)
{
	if(ie4 || ns6)
		dropmenuobj.style.left = dropmenuobj.style.top = "-500px";
	if(menuwidth != "")
	{
		dropmenuobj.widthobj = dropmenuobj.style;
		dropmenuobj.widthobj.width = menuwidth;
	}
	if(e.type == "click" && obj.visibility == hidden || e.type == "mouseover")
		obj.visibility = visible;
	else if(e.type == "click")
		obj.visibility = hidden;
}

function iecompattest()
{
	return(document.compatMode && document.compatMode != "BackCompat") ? document.documentElement : document.body;
}

function clearbrowseredge(obj, whichedge)
{
	var edgeoffset = 0;

	if(whichedge == "rightedge")
	{
		var windowedge = ie4 && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-15 : window.pageXOffset+window.innerWidth-15;
		dropmenuobj.contentmeasure = dropmenuobj.offsetWidth;
		if(windowedge-dropmenuobj.x < dropmenuobj.contentmeasure)
			edgeoffset = dropmenuobj.contentmeasure-obj.offsetWidth;
	}
	else
	{
		var topedge = ie4 && !window.opera? iecompattest().scrollTop : window.pageYOffset;
		var windowedge = ie4 && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18;
		dropmenuobj.contentmeasure = dropmenuobj.offsetHeight;
		if(windowedge-dropmenuobj.y < dropmenuobj.contentmeasure)
		{	//move up?
			edgeoffset = dropmenuobj.contentmeasure+obj.offsetHeight;
			if((dropmenuobj.y-topedge) < dropmenuobj.contentmeasure) //up no good either?
				edgeoffset = dropmenuobj.y+obj.offsetHeight-topedge;
		}
	}
	return edgeoffset
}

function populatemenu(what)
{
	if(ie4 || ns6)
		dropmenuobj.innerHTML = what.join("");
}

function dropdownmenu(obj, e, menucontents, menuwidth)
{
	if(window.event)
		event.cancelBubble = true;
	else if(e.stopPropagation)
		e.stopPropagation();
	clearhidemenu()
	dropmenuobj = document.getElementById? document.getElementById("dropmenudiv") : dropmenudiv;
	populatemenu(menucontents);

	if(ie4 || ns6)
	{
		showhide(dropmenuobj.style, e, "visible", "hidden", menuwidth);
		dropmenuobj.x = getposOffset(obj, "left");
		dropmenuobj.y = getposOffset(obj, "top");
		dropmenuobj.style.left = dropmenuobj.x - clearbrowseredge(obj, "rightedge") + "px";
		dropmenuobj.style.top = dropmenuobj.y - clearbrowseredge(obj, "bottomedge") + obj.offsetHeight + "px";
	}

	return clickreturnvalue()
}

function clickreturnvalue()
{
	if(ie4 || ns6)
		return false
	else
		return true
}

function contains_ns6(a, b)
{
	while(b.parentNode)
		if((b = b.parentNode) == a)
			return true;
	return false;
}

function dynamichide(e)
{
	if(ie4 && !dropmenuobj.contains(e.toElement))
		delayhidemenu();
	else if(ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))
		delayhidemenu();
}

function hidemenu(e)
{
	if(typeof dropmenuobj != "undefined")
	{
		if(ie4 || ns6)
			dropmenuobj.style.visibility = "hidden";
	}
}

function delayhidemenu()
{
	if(ie4 || ns6)
		delayhide = setTimeout("hidemenu()", disappeardelay);
}

function clearhidemenu()
{
	if(typeof delayhide != "undefined")
		clearTimeout(delayhide);
}

if(hidemenu_onclick == "yes")
	document.onclick = hidemenu;