/***********************************************
    * Advanced Gallery script- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
    * This notice must stay intact for legal use
    * Visit http://www.dynamicdrive.com/ for full source code
    ***********************************************/

    var tickspeed = 6000 //ticker speed in miliseconds (2000=2 seconds)
    var displaymode = "auto" //displaymode ("auto" or "manual"). No need to modify as form at the bottom will control it, unless you wish to remove form.

    if (document.getElementById) {
        document.write('<style type="text/css">\n')
        document.write('.gallerycontent{display:none;}\n')
        document.write('</style>\n')
    }

    var selectedDiv = 0
    var totalDivs = 0

    function getElementbyClass(classname) {
        partscollect = new Array()
        var inc = 0
        var alltags = document.all ? document.all.tags("DIV") : document.getElementsByTagName("*")
        for (i = 0; i < alltags.length; i++) {
            if (alltags[i].className == classname)
                partscollect[inc++] = alltags[i]
        }
    }

    function contractall() {
        var inc = 0
        while (partscollect[inc]) {
            partscollect[inc].style.display = "none"
            inc++
        }
    }

    function expandone() {
        var selectedDivObj = partscollect[selectedDiv]
        contractall()
        selectedDivObj.style.display = "block"
        if (document.gallerycontrol)
            temp.options[selectedDiv].selected = true
        selectedDiv = (selectedDiv < totalDivs - 1) ? selectedDiv + 1 : 0
        if (displaymode == "auto")
            autocontrolvar = setTimeout("expandone()", tickspeed)
    }

    function populatemenu() {
        temp = document.gallerycontrol.menu
        for (m = temp.options.length - 1; m > 0; m--)
            temp.options[m] = null
        for (i = 0; i < totalDivs; i++) {
            var thesubject = partscollect[i].getAttribute("subject")
            thesubject = (thesubject == "" || thesubject == null) ? "HTML Content " + (i + 1) : thesubject
            temp.options[i] = new Option(thesubject, "")
        }
        temp.options[0].selected = true
    }

    function manualcontrol(menuobj) {
        if (displaymode == "manual") {
            selectedDiv = menuobj
            expandone()
        }
    }

    function preparemode(themode) {
        displaymode = themode
        if (typeof autocontrolvar != "undefined")
            clearTimeout(autocontrolvar)
        if (themode == "auto") {
            document.gallerycontrol.menu.disabled = true
            autocontrolvar = setTimeout("expandone()", tickspeed)
        }
        else
            document.gallerycontrol.menu.disabled = false
    }


    function startgallery() {
        if (document.getElementById("controldiv")) //if it exists
            document.getElementById("controldiv").style.display = "block"
        getElementbyClass("gallerycontent")
        totalDivs = partscollect.length
        if (document.gallerycontrol) {
            populatemenu()
            if (document.gallerycontrol.mode) {
                for (i = 0; i < document.gallerycontrol.mode.length; i++) {
                    if (document.gallerycontrol.mode[i].checked)
                        displaymode = document.gallerycontrol.mode[i].value
                }
            }
        }
        if (displaymode == "auto" && document.gallerycontrol)
            document.gallerycontrol.menu.disabled = true
        expandone()
    }

    if (window.addEventListener)
        window.addEventListener("load", startgallery, false)
    else if (window.attachEvent)
        window.attachEvent("onload", startgallery)
    else if (document.getElementById)
        window.onload = startgallery