var bustcachevar=1 //bust potential caching of external pages after initial request? (1=yes, 0=no)
var loadstatustext="<img src=\"/images/loading.gif\" width=\"16\" height=\"16\" /> Retrieving content..."

////NO NEED TO EDIT BELOW////////////////////////
var loadedobjects=""
var reloadTabs = 0;
var reroute = false;
var tempContent = "";
var currentContent;
var defaultcontentarray=new Object()



function ajaxpage(url, containerid, targetobj){
//	alert ("Loading " + url + ", it currently says " + document.getElementById(containerid).innerHTML);
//	document.getElementById(containerid).innerHTML = "Wasabi";
	var page_request = false
	if (window.XMLHttpRequest) { // if Mozilla, Safari etc
		page_request = new XMLHttpRequest();
	}else if (window.ActiveXObject){ // if IE
		try {
			page_request = new ActiveXObject("Msxml2.XMLHTTP");
		} 
		catch (e){
			try{
				page_request = new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch (e){}
		}
	}else {
		return false;
	}
	if (targetobj != null) {
		var ullist=targetobj.parentNode.parentNode.getElementsByTagName("li")
		for (var i=0; i<ullist.length; i++){
			ullist[i].className=""  //deselect all tabs
			targetobj.parentNode.className="selected"  //highlight currently clicked on tab
		}
	}
	if (url.indexOf("#default")!=-1){ //if simply show default content within container (verus fetch it via ajax)
	document.getElementById(containerid).innerHTML=defaultcontentarray[containerid];
	return;
	}
	document.getElementById(containerid).innerHTML=loadstatustext;
	page_request.onreadystatechange=function(){
		loadpage(page_request, containerid);
	}
	if (bustcachevar) { //if bust caching of external page
	var bustcacheparameter=(url.indexOf("?")!=-1)? "&"+new Date().getTime() : "?"+new Date().getTime()
	page_request.open('GET', url+bustcacheparameter, true);
	page_request.send(null);
	}
}
function loadpage(page_request, containerid){
if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1)) {
document.getElementById(containerid).innerHTML=page_request.responseText
	if (reloadTabs == 1) {
		startajaxtabs ("tablist");
		reloadTabs = 0;
	}
}else if (page_request.readyState == 4 && page_request.status != 200) {
	document.getElementById(containerid).innerHTML = "An Error has occurred. This is a temporary problem. Please try again soon."
}

}
function loadobjs(revattribute){
if (revattribute!=null && revattribute!=""){ //if "rev" attribute is defined (load external .js or .css files)
var objectlist=revattribute.split(/\s*,\s*/) //split the files and store as array
for (var i=0; i<objectlist.length; i++){
var file=objectlist[i]
var fileref=""
if (loadedobjects.indexOf(file)==-1){ //Check to see if this object has not already been added to page before proceeding
if (file.indexOf(".js")!=-1){ //If object is a js file
fileref=document.createElement('script')
fileref.setAttribute("type","text/javascript");
fileref.setAttribute("src", file);
}
else if (file.indexOf(".css")!=-1){ //If object is a css file
fileref=document.createElement("link")
fileref.setAttribute("rel", "stylesheet");
fileref.setAttribute("type", "text/css");
fileref.setAttribute("href", file);
}
}
if (fileref!=""){
document.getElementsByTagName("head").item(0).appendChild(fileref)
loadedobjects+=file+" " //Remember this object as being already added to page
}
}
}
}

function savedefaultcontent(contentid){// save default ajax tab content
if (typeof defaultcontentarray[contentid]=="undefined") //if default content hasn't already been saved
defaultcontentarray[contentid]=document.getElementById(contentid).innerHTML
}


function rerouteDivs (containerid) {

		var ulist=document.getElementById(containerid).getElementsByTagName("div") 
		for (var x=0; x<ulist.length; x++){ //loop through each LI element
			var ulistlink=ulist[x].getElementsByTagName("a")
			for (var i=0;i<ulistlink.length;i++) {
				if (ulistlink[i].getAttribute("rel")){
					var modifiedurl=ulistlink[i].getAttribute("href").replace(/^http:\/\/[^\/]+\//i, "http://"+window.location.host+"/")
					ulistlink[i].setAttribute("href", modifiedurl) //replace URL's root domain with dynamic root domain, for ajax security sake
					ulistlink[i].onclick=function(){
						reloadTabs = 0;
						loadDiv(this.getAttribute("href"), this.getAttribute("rel"), this)
						loadobjs(this.getAttribute("rev"))
						return false
					}
				}
			}
		}
}

 

function startajaxtabs(){
//	for (var i=0; i<arguments.length; i++){ //loop through passed UL ids
		var ulobj=document.getElementById(arguments[0])
		var ulist=ulobj.getElementsByTagName("li") //array containing the LI elements within UL
		for (var x=0; x<ulist.length; x++){ //loop through each LI element
			var ulistlink=ulist[x].getElementsByTagName("a")
			for (var i=0;i<ulistlink.length;i++) {
			if (ulistlink[i].getAttribute("rel")){
				var modifiedurl=ulistlink[i].getAttribute("href").replace(/^http:\/\/[^\/]+\//i, "http://"+window.location.host+"/")
				ulistlink[i].setAttribute("href", modifiedurl) //replace URL's root domain with dynamic root domain, for ajax security sake
				savedefaultcontent(ulistlink[i].getAttribute("rel")) //save default ajax tab content
				if (arguments[1] == "true") {
				ulistlink[i].onclick=function(){
					reloadTabs = 1;
					ajaxpage(this.getAttribute("href"), this.getAttribute("rel"), this)
					loadobjs(this.getAttribute("rev"))
					return false
				}
				}else {
				ulistlink[i].onclick=function(){
					reloadTabs = 0;
					ajaxpage(this.getAttribute("href"), this.getAttribute("rel"), this)
					loadobjs(this.getAttribute("rev"))
					return false
					}
				}
				if (ulist[x].className=="selected"){
					reloadTabs = 1;
					ajaxpage(ulistlink[i].getAttribute("href"), ulistlink[i].getAttribute("rel"), ulistlink[i]) //auto load currenly selected tab content
					loadobjs(ulistlink[i].getAttribute("rev")) //auto load any accompanying .js and .css files
				}
			}
			}
		}
//	}
}