// JavaScript Document

var activeTable;
var activeLink;




function openTreeList (what) {
  var x=what.id;

 if (document.getElementById("list"+x).style.display != "block") {
  document.getElementById("list"+x).style.display = "block";
  document.getElementById(x).className = "open";
  /*document.write(document.getElementById(x).className); */
 }
 else {
  eraseCookie('cat')
  document.getElementById("list"+x).style.display = "none";
  document.getElementById(x).className = "close";
  
 }
}

function setCookie(what) {
var y=what.id;
document.cookie="cat=" + y;

}

function eraseCookie(name) {
	//setCookie('000');
	document.cookie="cat=000";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(";");
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==" ") c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
}
	
	return null;
	
}


function writeCookie() {
var out=readCookie('cat');
document.write(out);
}

function currentTree() {
var cat=readCookie('cat');

if (cat != "000") {
var cp=cat.split("_");
document.getElementById("list_" + cp[1]).style.display = "block";
document.getElementById("_" + cp[1]).className = "open";
document.getElementById(cat).className = "current";
}
return null


}