var bustcachevar=0 //bust potential caching of external pages after initial request? (1=yes, 0=no)
var loadstatustext="<div style=\"height:366px;text-align:center\"><img src=\"/img/pbar.gif\" width=\"199\" height=\"15\" border=\"0\" alt=\"Loading...\" /><br />Loading, please wait..."

var loadedobjects=""
var defaultcontentarray=new Object()
var bustcacheparameter=""

	//function ajaxpage(url, containerid, targetobj){
	function ajaxpage(url, containerid){
		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;
		}

		//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
			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
	}

	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
	}