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

function swapcontent(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 (preventcache)
    preventcacheparameter = (url.indexOf("?") != -1) ? "&" + new Date().getTime() : "?" + new Date().getTime()
    page_request.open('GET', url + preventcacheparameter, 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
        }
    }
}