var fadecontentviewer = {
    csszindex: 100,
    fade: function($allcontents, togglerid, selected, speed) {
        var selected = parseInt(selected)
        var $togglerdiv = $("#" + togglerid)
        var $target = $allcontents.eq(selected)
        if ($target.length == 0) {
            //if no content exists at this index position (ie: stemming from redundant pagination link)
            alert("No content exists at page number " + selected + "!")
            return
        }
        if ($togglerdiv.attr('lastselected') == null || parseInt($togglerdiv.attr('lastselected')) != selected) {
            var $toc = $("#" + togglerid + " .toc")
            var $selectedlink = $toc.eq(selected)
            $target.css({
                zIndex: this.csszindex++,
                visibility: 'visible'
            })
            $target.hide()
            $target.fadeIn(speed)
            $toc.removeClass('selected')
            $selectedlink.addClass('selected')
            $togglerdiv.attr('lastselected', selected + 'pg')
        }
    },

    setuptoggler: function($allcontents, togglerid, speed) {
        var $toc = $("#" + togglerid + " .toc")
        $toc.each(function(index) {
            $(this).attr('pagenumber', index + 'pg')
        })
        $toc.click(function() {
            fadecontentviewer.fade($allcontents, togglerid, $(this).attr('pagenumber'), speed)
            return false
        })
        
    },

    init: function(fadeid, contentclass, togglerid, selected, speed) {
        $(document).ready(function() {
            var faderheight = $("#" + fadeid).height()
            var $fadecontents = $("#" + fadeid + " ." + contentclass)
            $fadecontents.css({
                top: 0,
                left: 0,
                height: faderheight,
                visibility: 'hidden'
            })

            fadecontentviewer.setuptoggler($fadecontents, togglerid, speed)
            setTimeout(function() {
                fadecontentviewer.fade($fadecontents, togglerid, selected, speed)
            },
            100)
            $(window).bind('unload',
            function() {
                //clean up
                $("#" + togglerid + " .toc").unbind('click', 'hover')
            })
        })
    }
}