// JavaScript Document
function toggleNav(id,header)
{
	var n = document.getElementById(id);
	if (n.className.length > 0)
	{
		n.className = "";
		header.className="";
	}
	else
	{
		n.className = "show";
		header.className="selected";
	}
}

var currentWood="";
function showWood(id){
	if(currentWood!=""){
		var current= document.getElementById(currentWood);
		current.style.display="none";
		
		var currentnav = document.getElementById(currentWood + "_nav");
		if (currentnav)
		{
			currentnav.className = "";
		}
	}
	var div = document.getElementById(id);
	div.style.display="block";
	currentWood=id;
	
	var divnav = document.getElementById(id + "_nav");
	if (divnav)
	{
		divnav.className = "selected";
	}
}


var currentArticle="";
function showArticle(id){
	if(currentArticle!=""){
		var current = document.getElementById(currentArticle);
		current.style.display="none";
		
		var currentnav = document.getElementById(currentArticle + "_nav");
		if (currentnav)
		{
			currentnav.className = "";
		}
	}
	var div = document.getElementById(id);
	div.style.display="block";
	currentArticle=id;
	
	var divnav = document.getElementById(id + "_nav");
	if (divnav)
	{
		divnav.className = "selected";
	}
}

var currentArticleWrap="";
function showArticleSub(articleId, id){
	if(currentArticleWrap!="")
	{
	    var currentArt = document.getElementById(currentArticleWrap + "_article");
	    currentArt.style.display="none";
	    
	    var currentHeader = document.getElementById(currentArticleWrap + "_header");
	    currentHeader.style.display="none";
	}
	
	var divArticle = document.getElementById(articleId + "_article");
	divArticle.style.display="block";
	
	var divHeader = document.getElementById(articleId + "_header");
	divHeader.style.display="block";
	
	currentArticleWrap = articleId;
	showArticle(id);
}

function initiateArticle(initialArt, initialId)
{
	qs();
	if (qsParam["a"])
		showWood(qsParam["a"]);
	else showArticleSub(initialArt, initialId);
}

function initiateWood(initial)
{
	qs();
	if (qsParam["a"])
		showWood(qsParam["a"]);
	else showWood(initial);
}

function initiateCut()
{
    qs();
    if (qsParam["c"])
		initialAnchor = qsParam["c"];
}

var currentRegion="";
function showRegion(id){
	if(currentRegion!=""){
		var current= document.getElementById(currentRegion);
		current.style.display="none";
	}
	var div = document.getElementById(id);
	div.style.display="block";
	currentRegion=id;
}

var currentCE="";
function showCE(id){
	if(currentCE!=""){
		var current= document.getElementById(currentCE);
		current.style.display="none";
	}
	var div = document.getElementById(id);
	div.style.display="block";
	currentCE=id;
}

var qsParam = new Array();
function qs() 
{
	var query = window.location.search.substring(1);
	var parms = query.split('&');
	for (var i=0; i<parms.length; i++) 
	{
		var pos = parms[i].indexOf('=');
		if (pos > 0) 
		{
			var key = parms[i].substring(0,pos);
			var val = parms[i].substring(pos+1);
			qsParam[key] = val;
		}
	}
}


function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}