/***********************************************
* Dynamic Ajax Content- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
***********************************************/

var bustcachevar=1 //bust potential caching of external pages after initial request? (1=yes, 0=no)
var loadedobjects=""
var rootdomain="http://"+window.location.hostname
var bustcacheparameter=""

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
                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(){
    if (!document.getElementById)
        return
            for (i=0; i<arguments.length; i++){
                var file=arguments[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 makeactive(tab){
    document.getElementById("item1").className = "";
    document.getElementById("item2").className = "";
    document.getElementById("item3").className = "";
    document.getElementById("item4").className = "";
    document.getElementById("item"+tab).className = "current";
}