// JavaScript Document
/***********************************************
* Switch Menu script- by Martial B of http://getElementById.com/
* Modified by Dynamic Drive for format & NS4/IE4 compatibility
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/

//"yes" or "no". Make sure each SPAN content contains an incrementing ID starting at 1 (id="sub1", id="sub2", etc)
var persistmenu="no" 
var persisttype="sitewide" //enter "sitewide" for menu to persist across site, "local" for this page only

if (document.getElementById){ //DynamicDrive.com change
	document.write('<style type="text/css">\n')
	document.write('.submenu{display: none;}\n')
	document.write('</style>\n')
}

function SwitchMenu(obj){
	if(document.getElementById){
        // change back all the images to arrow1
        /*for (i=1;i>0;i++) {
			if (document.getElementById("sub" + i + "_img"))
				//document.getElementById("sub" + i + "_img").src = "images/arrow1.jpg";
			else
				i = -1;
        }*/

		//var im = obj + "_img";
		var el = document.getElementById(obj);
		var ar = document.getElementById("masterdiv").getElementsByTagName("span");
		if(el.style.display != "block"){
			for (var i=0; i<ar.length; i++){
				if (ar[i].className=="submenu")
					ar[i].style.display = "none";
			}

			el.style.display = "block";
			//document[im].src = "images/arrow2.jpg";
		}else{
			el.style.display = "none";
			//document[im].src = "images/arrow1.jpg";
		}
	}
}

function get_cookie(Name) { 
	var search = Name + "="
	var returnvalue = "";
	if (document.cookie.length > 0) {
		offset = document.cookie.indexOf(search)
		if (offset != -1) { 
			offset += search.length
			end = document.cookie.indexOf(";", offset);
			if (end == -1) end = document.cookie.length;
				returnvalue=unescape(document.cookie.substring(offset, end))
		}
	}
	return returnvalue;
}

function onloadfunction(){
	if (persistmenu=="yes"){
		var cookiename=(persisttype=="sitewide")? "switchmenu" : window.location.pathname
		var cookievalue=get_cookie(cookiename)
		if (cookievalue!="")
			document.getElementById(cookievalue).style.display="block"
	}
}

function savemenustate(){
	var inc=1, blockid=""
	while (document.getElementById("sub"+inc)){
		if (document.getElementById("sub"+inc).style.display=="block"){
			blockid="sub"+inc
			break
		}
		inc++
	}
	var cookiename=(persisttype=="sitewide")? "switchmenu" : window.location.pathname
	var cookievalue=(persisttype=="sitewide")? blockid+";path=/" : blockid
	document.cookie=cookiename+"="+cookievalue
}

if (window.addEventListener)
	window.addEventListener("load", onloadfunction, false)
else if (window.attachEvent)
	window.attachEvent("onload", onloadfunction)
else if (document.getElementById)
	window.onload=onloadfunction

if (persistmenu=="yes" && document.getElementById)
	window.onunload=savemenustate

function HideMenu()
{
	for(var j=1; j<6; j++)
	{
		document.getElementById("sub"+j).style.display = "none";
	}
	
	var span = document.getElementById("masterdiv").getElementsByTagName("span");
	for (var k=0; k<span.length; k++)
	{
		if (span[k].className=="submenu")
			span[k].style.display = "none";
	}
}

var divTag = "DIV";
var timeout;

function x() {}

function makeTips(obj, synopsis) {
    var _div = document.getElementById("n" + obj.id);
    if (_div == null) {
        _div = document.createElement(divTag);
        _div.id = "n" + obj.id;
        _div.className = "divTips"; 
        _div.onmouseover = function (evt) {
            showTips(obj.id);
        };
        _div.onmouseout = function (evt) {
            hideTips(obj);
        };
    }

    _div.innerHTML = synopsis;
    document.getElementById("div_" + obj.id).appendChild(_div);
}

function hideTips(obj) {
    timeout = setTimeout("delTips('"+obj.id+"')", 300);
}

function delTips(id) {
    var _div = document.getElementById("n" + id);
    if (_div != null) {
        document.getElementById("div_" + id).removeChild(_div);    
    }
}

function showTips(id) {
    clearTimeout(timeout);
}