/***********************************************
    * Pausing up-down scroller- © Dynamic Drive (www.dynamicdrive.com)
    * This notice MUST stay intact for legal use
    * Visit http://www.dynamicdrive.com/ for this script and 100s more.
    ***********************************************/

    function pausescroller(content, divId, divClass, delay) {
        this.content = content //message array content
        this.tickerid = divId //ID of ticker div to display information
        this.delay = delay //Delay between msg change, in miliseconds.
        this.mouseoverBol = 0 //Boolean to indicate whether mouse is currently over scroller (and pause it if it is)
        this.hiddendivpointer = 1 //index of message array for hidden div
        document.write('<div id="' + divId + '" class="' + divClass + '" style="position: relative; overflow: hidden"><div class="innerDiv" style="position: absolute; width: 100%" id="' + divId + '1">' + content[0] + '</div><div class="innerDiv" style="position: absolute; width: 100%; visibility: hidden" id="' + divId + '2">' + content[1] + '</div></div>')
        var scrollerinstance = this
        if (window.addEventListener) //run onload in DOM2 browsers
            window.addEventListener("load", function () { scrollerinstance.initialize() }, false)
        else if (window.attachEvent) //run onload in IE5.5+
            window.attachEvent("onload", function () { scrollerinstance.initialize() })
        else if (document.getElementById) //if legacy DOM browsers, just start scroller after 0.5 sec
            setTimeout(function () { scrollerinstance.initialize() }, 500)
    }

    // -------------------------------------------------------------------
    // initialize()- Initialize scroller method.
    // -Get div objects, set initial positions, start up down animation
    // -------------------------------------------------------------------

    pausescroller.prototype.initialize = function () {
        this.tickerdiv = document.getElementById(this.tickerid)
        this.visiblediv = document.getElementById(this.tickerid + "1")
        this.hiddendiv = document.getElementById(this.tickerid + "2")
        this.visibledivtop = parseInt(pausescroller.getCSSpadding(this.tickerdiv))
        //set width of inner DIVs to outer DIV's width minus padding (padding assumed to be top padding x 2)
        this.visiblediv.style.width = this.hiddendiv.style.width = this.tickerdiv.offsetWidth - (this.visibledivtop * 2) + "px"
        this.getinline(this.visiblediv, this.hiddendiv)
        this.hiddendiv.style.visibility = "visible"
        var scrollerinstance = this
        document.getElementById(this.tickerid).onmouseover = function () { scrollerinstance.mouseoverBol = 1 }
        document.getElementById(this.tickerid).onmouseout = function () { scrollerinstance.mouseoverBol = 0 }
        if (window.attachEvent) //Clean up loose references in IE
            window.attachEvent("onunload", function () { scrollerinstance.tickerdiv.onmouseover = scrollerinstance.tickerdiv.onmouseout = null })
        setTimeout(function () { scrollerinstance.animateup() }, this.delay)
    }


    // -------------------------------------------------------------------
    // animateup()- Move the two inner divs of the scroller up and in sync
    // -------------------------------------------------------------------

    pausescroller.prototype.animateup = function () {
        var scrollerinstance = this
        if (parseInt(this.hiddendiv.style.top) > (this.visibledivtop + 5)) {
            this.visiblediv.style.top = parseInt(this.visiblediv.style.top) - 5 + "px"
            this.hiddendiv.style.top = parseInt(this.hiddendiv.style.top) - 5 + "px"
            setTimeout(function () { scrollerinstance.animateup() }, 50)
        }
        else {
            this.getinline(this.hiddendiv, this.visiblediv)
            this.swapdivs()
            setTimeout(function () { scrollerinstance.setmessage() }, this.delay)
        }
    }

    // -------------------------------------------------------------------
    // swapdivs()- Swap between which is the visible and which is the hidden div
    // -------------------------------------------------------------------

    pausescroller.prototype.swapdivs = function () {
        var tempcontainer = this.visiblediv
        this.visiblediv = this.hiddendiv
        this.hiddendiv = tempcontainer
    }

    pausescroller.prototype.getinline = function (div1, div2) {
        div1.style.top = this.visibledivtop + "px"
        div2.style.top = Math.max(div1.parentNode.offsetHeight, div1.offsetHeight) + "px"
    }

    // -------------------------------------------------------------------
    // setmessage()- Populate the hidden div with the next message before it's visible
    // -------------------------------------------------------------------

    pausescroller.prototype.setmessage = function () {
        var scrollerinstance = this
        if (this.mouseoverBol == 1) //if mouse is currently over scoller, do nothing (pause it)
            setTimeout(function () { scrollerinstance.setmessage() }, 100)
        else {
            var i = this.hiddendivpointer
            var ceiling = this.content.length
            this.hiddendivpointer = (i + 1 > ceiling - 1) ? 0 : i + 1
            this.hiddendiv.innerHTML = this.content[this.hiddendivpointer]
            this.animateup()
        }
    }

    pausescroller.getCSSpadding = function (tickerobj) { //get CSS padding value, if any
        if (tickerobj.currentStyle)
            return tickerobj.currentStyle["paddingTop"]
        else if (window.getComputedStyle) //if DOM2
            return window.getComputedStyle(tickerobj, "").getPropertyValue("padding-top")
        else
            return 0
    }