/***********************************************
* Ajax Rotating Includes script- © 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
***********************************************/

//To include a page, invoke ajaxinclude(files_array, "ROTATETYPE") in the BODY of page.
//* file_array is the name of the array containing your list of files to include.
//* For "ROTATETYPE", valid values are "dailyw", "dailym", and "random", for each day of the week, each day of the month, and random, respectively.
//* Included file MUST be from the same domain as the page displaying it.

//Enter path to list of files to display.
//For rotatetype="dailyw", there must be 7 files, and for "dailym", 31 files. Otherwise, no restriction:

var includefiles = ["JS/AjaxHeaderFile/file.html", "JS/AjaxHeaderFile/file2.html", "JS/AjaxHeaderFile/file3.html", "JS/AjaxHeaderFile/file4.html", "JS/AjaxHeaderFile/file5.html", "JS/AjaxHeaderFile/file6.html", "JS/AjaxHeaderFile/file7.html"]

var rootdomain = "http://" + window.location.hostname

function ajaxincluderotate(files_array, rotatetype) {
    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 url = choosefile(files_array, rotatetype)
    if (typeof files_array[url] == "undefined") {
        document.write("Error: No file for this day has been found.")
        return
    }
    else
        url = files_array[url]
    page_request.open('GET', url, false) //get page synchronously 
    page_request.send(null)
    writecontent(page_request)
}

function writecontent(page_request) {
    if (window.location.href.indexOf("http") == -1 || page_request.status == 200)
        document.write(page_request.responseText)
}

function choosefile(files_array, rotatetype) {
    var today = new Date()
    var selectedfile = (rotatetype == "dailyw") ? today.getDay() : rotatetype == "dailym" ? today.getDate() : Math.floor(Math.random() * files_array.length)
    if (rotatetype == "dailyw" && selectedfile == 0) //if display type=="week days" and today is Sunday 
        selectedfile = 7
    if (rotatetype == "dailyw" || rotatetype == "dailym")
        selectedfile--  //remove 1 to sync with array index
    return selectedfile
}