//Featured Content Glider: By http://www.dynamicdrive.com
//Created: Dec 22nd, 07'

var featuredcontentglider = {
    csszindex: 100,
    glide: function(config, showpage) {
        var selected = parseInt(showpage)
        if (selected >= config.$contentdivs.length) { //if no content exists at this index position
            alert("No content exists at page " + (selected + 1) + "! Loading 1st page instead.")
            selected = 0
        }
        var $target = config.$contentdivs.eq(selected)
        //Test for toggler not being initialized yet, or user mousemoves on the currently selected page):
        if (config.$togglerdiv.attr('lastselected') == null || parseInt(config.$togglerdiv.attr('lastselected')) != selected) {
            var $selectedlink = config.$toc.eq(selected)
            config.$next.attr('loadpage', (selected < config.$contentdivs.length - 1) ? selected + 1 + 'pg' : 0 + 'pg')
            config.$prev.attr('loadpage', (selected == 0) ? config.$contentdivs.length - 1 + 'pg' : selected - 1 + 'pg')
            $target.css({ top: config.gliderheight, zIndex: this.csszindex++ })
            $target.animate({ top: 0 }, config.speed)
            config.$toc.removeClass('selected')
            $selectedlink.addClass('selected')
            config.$togglerdiv.attr('lastselected', selected + 'pg')
        }
    },

    setuptoggler: function(config) {
        config.$togglerdiv.hide()
        config.$toc.each(function(index) {
            $(this).attr('pagenumber', index + 'pg')
            if (index > (config.$contentdivs.length - 1))
                $(this).css({ display: 'none' }) //hide redundant "toc" links
        })
        var $nextandprev = $("#" + config.togglerid + " .next, #" + config.togglerid + " .prev")
        $nextandprev.mousemove(function(event) { //Assign mousemove behavior to 'next' and 'prev' links
            featuredcontentglider.glide(config, this.getAttribute('loadpage'))
            event.preventDefault() //cancel default link action
        })
        config.$toc.mousemove(function(event) { //Assign mousemove behavior to 'toc' links
            featuredcontentglider.glide(config, this.getAttribute('pagenumber'))
            event.preventDefault()
        })
        config.$togglerdiv.fadeIn(1000, function() {
            featuredcontentglider.glide(config, config.selected)
            if (config.autorotate == true) { //auto rotate contents?
                config.stepcount = 0 //set steps taken
                config.totalsteps = config.$contentdivs.length * config.autorotateconfig[1] //Total steps limit: num of contents x num of user specified cycles)
                featuredcontentglider.autorotate(config)
            }
        })
        config.$togglerdiv.mousemove(function() {


            featuredcontentglider.cancelautorotate(config.togglerid)
        })

        config.$togglerdiv.mouseout(function() {

        
            if (config.autorotate == true) { 
                featuredcontentglider.autorotate(config)
            }
        })
    },

    autorotate: function(config) {
        var rotatespeed = config.speed + config.autorotateconfig[0]
        window[config.togglerid + "timer"] = setInterval(function() {
            if (config.totalsteps > 0 && config.stepcount >= config.totalsteps) {
                clearInterval(window[config.togglerid + "timer"])
            }
            else {
                config.$next.mousemove()
                config.stepcount++
            }
        }, rotatespeed)
    },

    cancelautorotate: function(togglerid) {
        if (window[togglerid + "timer"])
            clearInterval(window[togglerid + "timer"])
    },

    getCookie: function(Name) {
        var re = new RegExp(Name + "=[^;]+", "i") //construct RE to search for target name/value pair
        if (document.cookie.match(re)) //if cookie found
            return document.cookie.match(re)[0].split("=")[1] //return its value
        return null
    },

    setCookie: function(name, value) {
        document.cookie = name + "=" + value
    },

    init: function(config) {
        $(document).ready(function() {
            config.$glider = $("#" + config.gliderid)
            config.$contentdivs = $("#" + config.gliderid + " ." + config.contentclass)
            config.$togglerdiv = $("#" + config.togglerid)
            config.$toc = config.$togglerdiv.children('.toc')
            config.$next = config.$togglerdiv.children('.next')
            config.$prev = config.$togglerdiv.children('.prev')
            var selected = (config.persiststate) ? featuredcontentglider.getCookie(config.gliderid) : config.selected
            config.selected = (isNaN(parseInt(selected))) ? config.selected : selected //test for cookie value containing null (1st page load) or "undefined" string
            config.gliderheight = config.$glider.height()
            config.$contentdivs.css({ top: config.gliderheight, height: config.gliderheight, visibility: 'visible' }) //position content divs so they're out of view
            featuredcontentglider.setuptoggler(config)
            $(window).bind('unload', function() { //clean up and persist
                config.$togglerdiv.unbind('mousemove')
                config.$toc.unbind('mousemove')
                config.$next.unbind('mousemove')
                config.$prev.unbind('mousemove')
                if (config.persiststate)
                    featuredcontentglider.setCookie(config.gliderid, config.$togglerdiv.attr('lastselected'))
                config = null
            })
        })
    }
}