var simpleGallery_navpanel = { panel: { height: '20px', opacity: 0.5, paddingTop: '5px', fontStyle: 'bold 11px Verdana' }, images: ['btnleft', 'btnplay', 'btnright', 'btnpause'], imageSpacing: { offsetTop: [0, 0, 0], spacing: 10 }, slideduration: 500 }
function simpleGallery(settingarg) {
    this.setting = settingarg
    settingarg = null
    var setting = this.setting
    setting.panelheight = (parseInt(setting.navpanelheight) > 5) ? parseInt(setting.navpanelheight) : parseInt(simpleGallery_navpanel.panel.height)
    setting.fadeduration = parseInt(setting.fadeduration)
    setting.curimage = (setting.persist) ? simpleGallery.routines.getCookie("gallery-" + setting.wrapperid) : 0
    setting.curimage = setting.curimage || 0
    setting.ispaused = !setting.autoplay[0]
    setting.currentstep = 0
    setting.totalsteps = setting.imagearray.length * setting.autoplay[2]
    setting.fglayer = 0, setting.bglayer = 1
    setting.oninit = setting.oninit || function () { }
    setting.onslide = setting.onslide || function () { }
    var preloadimages = [], longestdesc = null
    setting.longestdesc = ""
    for (var i = 0; i < setting.imagearray.length; i++) {
        preloadimages[i] = new Image()
        if (setting.imagearray[i][3] && setting.imagearray[i][3].length > setting.longestdesc.length)
            setting.longestdesc = setting.imagearray[i][3]
    }
    var slideshow = this
    jQuery(document).ready(function ($) {
        var setting = slideshow.setting
        setting.$wrapperdiv = $('#' + setting.wrapperid).css({ position: 'relative', visibility: 'visible', background: '#F3F3F3', overflow: 'hidden', width: setting.dimensions[0], height: setting.dimensions[1] }).empty()
        if (setting.$wrapperdiv.length == 0) {
            alert("Error: DIV with ID \"" + setting.wrapperid + "\" not found on page.")
            return
        }
        setting.$gallerylayers = $('<div class="gallerylayer"></div><div class="gallerylayer"></div>').css({ position: 'absolute', left: 0, top: 0 }).appendTo(setting.$wrapperdiv)
        setting.gallerylayers = setting.$gallerylayers.get()
        setting.navbuttons = simpleGallery.routines.addnavpanel(setting)
        if (setting.longestdesc != "")
            setting.descdiv = simpleGallery.routines.adddescpanel(setting)
        $(setting.navbuttons).filter('img.navimages').css({ opacity: 0.8 }).bind('mouseover mouseout', function (e) { $(this).css({ opacity: (e.type == "mouseover") ? 1 : 0.8 }) }).bind('click', function (e) {
            var keyword = e.target.title.toLowerCase()
            slideshow.navigate(keyword)
        })
        setting.$wrapperdiv.bind('mouseenter', function () { slideshow.showhidenavpanel('show') })
        setting.$wrapperdiv.bind('mouseleave', function () { slideshow.showhidenavpanel('hide') })
        slideshow.showslide(setting.curimage)
        setting.oninit.call(slideshow)
        $(window).bind('unload', function () {
            $(slideshow.setting.navbuttons).unbind()
            if (slideshow.setting.persist)
                simpleGallery.routines.setCookie("gallery-" + setting.wrapperid, setting.curimage)
            jQuery.each(slideshow.setting, function (k) {
                if (slideshow.setting[k] instanceof Array) {
                    for (var i = 0; i < slideshow.setting[k].length; i++) {
                        if (slideshow.setting[k][i].tagName == "DIV")
                            slideshow.setting[k][i].innerHTML = null
                        slideshow.setting[k][i] = null
                    }
                }
                if (slideshow.setting[k].innerHTML)
                    slideshow.setting[k].innerHTML = null
                slideshow.setting[k] = null
            })
            slideshow = slideshow.setting = null
        })
    })
}
simpleGallery.prototype = { navigate: function (keyword) {
    clearTimeout(this.setting.playtimer)
    this.setting.totalsteps = 100000
    if (!isNaN(parseInt(keyword))) { this.showslide(parseInt(keyword)) }
    else if (/(prev)|(next)/i.test(keyword)) { this.showslide(keyword.toLowerCase()) }
    else {
        var slideshow = this
        var $playbutton = $(this.setting.navbuttons).eq(1)
        if (!this.setting.ispaused) {
            this.setting.autoplay[0] = false
            $playbutton.attr({ title: 'Play' })
            $playbutton.removeClass('navimages btnpause').addClass('navimages btnplay');
        }
        else if (this.setting.ispaused) {
            this.setting.autoplay[0] = true
            this.setting.playtimer = setTimeout(function () { slideshow.showslide('next') }, this.setting.autoplay[1])
            $playbutton.attr({ title: 'Pause' })
            $playbutton.removeClass('navimages btnplay').addClass('navimages btnpause');
        }
        slideshow.setting.ispaused = !slideshow.setting.ispaused
    }
}, showslide: function (keyword) {
    var slideshow = this
    var setting = slideshow.setting
    var totalimages = setting.imagearray.length
    var imgindex = (keyword == "next") ? (setting.curimage < totalimages - 1 ? setting.curimage + 1 : 0) : (keyword == "prev") ? (setting.curimage > 0 ? setting.curimage - 1 : totalimages - 1) : Math.min(keyword, totalimages - 1)
    setting.gallerylayers[setting.bglayer].innerHTML = simpleGallery.routines.getSlideHTML(setting.imagearray[imgindex])
    setting.$gallerylayers.eq(setting.bglayer).css({ zIndex: 1000, opacity: 0 }).stop().css({ opacity: 0 }).animate({ opacity: 1 }, setting.fadeduration, function () {
        clearTimeout(setting.playtimer)
        setting.gallerylayers[setting.bglayer].innerHTML = null
        try { setting.onslide.call(slideshow, setting.gallerylayers[setting.fglayer], setting.curimage) } catch (e) { alert("Simple Controls Gallery: An error has occured somwhere in your code attached to the \"onslide\" event: " + e) }
        setting.currentstep += 1
        if (setting.autoplay[0]) {
            if (setting.currentstep <= setting.totalsteps)
                setting.playtimer = setTimeout(function () { slideshow.showslide('next') }, setting.autoplay[1])
            else
                slideshow.navigate("play/pause")
        }
    })
    setting.gallerylayers[setting.fglayer].style.zIndex = 999
    setting.fglayer = setting.bglayer
    setting.bglayer = (setting.bglayer == 0) ? 1 : 0
    setting.curimage = imgindex
    if (setting.imagearray[imgindex][3]) {
        setting.$descpanel.css({ visibility: 'visible' })
        setting.descdiv.innerHTML = setting.imagearray[imgindex][3]
    }
    else if (setting.longestdesc != "") {
        setting.descdiv.innerHTML = null
        setting.$descpanel.css({ visibility: 'hidden' })
    }
}, showhidenavpanel: function (state) {
    var setting = this.setting
    var endpoint = (state == "show") ? setting.dimensions[1] - setting.panelheight : this.setting.dimensions[1]
    setting.$navpanel.stop().animate({ top: endpoint }, simpleGallery_navpanel.slideduration)
    if (setting.longestdesc != "")
        this.showhidedescpanel(state)
}, showhidedescpanel: function (state) {
    var setting = this.setting
    var endpoint = (state == "show") ? 0 : -setting.descpanelheight
    setting.$descpanel.stop().animate({ top: endpoint }, simpleGallery_navpanel.slideduration)
}
}
simpleGallery.routines = { getSlideHTML: function (imgelement) {
    var layerHTML = (imgelement[1]) ? '<a href="' + imgelement[1] + '" target="' + imgelement[2] + '">\n' : ''
    layerHTML += imgelement[0]
    layerHTML += (imgelement[1]) ? '</a>' : ''
    return layerHTML
}, addnavpanel: function (setting) {
    var interfaceHTML = ''
    for (var i = 0; i < 3; i++) {
        var imgstyle = 'position:relative;  cursor:hand; cursor:pointer; top:' + simpleGallery_navpanel.imageSpacing.offsetTop[i] + 'px; margin-top:' + (i != 2 ? simpleGallery_navpanel.imageSpacing.spacing + 'px' : 0)
        var title = (i == 0 ? 'Prev' : (i == 1) ? (setting.ispaused ? 'Play' : 'Pause') : 'Next')
        var imagesrc = (i == 1) ? simpleGallery_navpanel.images[(setting.ispaused) ? 1 : 3] : simpleGallery_navpanel.images[i]
        interfaceHTML += '<img src="' + basepath + 'images/blank.gif" height="15" width="15" title="' + title + '" class="navimages ' + imagesrc + '" style="' + imgstyle + '" />'
    }
    setting.$navpanel = $('<div class="navpanellayer"></div>').css({ position: 'absolute', width: '100%', height: setting.panelheight, left: 0, top: setting.dimensions[1], font: simpleGallery_navpanel.panel.fontStyle, zIndex: '1001' }).appendTo(setting.$wrapperdiv)
    $('<div class="navpanelbg"></div><div class="navpanelfg"></div>').css({ position: 'absolute', left: 0, top: '-8px', width: '11%', height: '100%' }).eq(0).css({ opacity: simpleGallery_navpanel.panel.opacity }).end().eq(1).css({ paddingTop: simpleGallery_navpanel.panel.paddingTop, marginLeft: '0px', color: 'white' }).html(interfaceHTML).end().appendTo(setting.$navpanel)
    return setting.$navpanel.find('img.navimages, div.gallerystatus').get()
}, adddescpanel: function (setting) {
    setting.$descpanel = $('<div class="gallerydesc"><div class="gallerydescbg"></div><div class="gallerydescfg"><div class="gallerydesctext"></div></div></div>').css({ position: 'absolute', width: '100%', left: 0, top: -1000, zIndex: '1001' }).find('div').css({ position: 'absolute', left: 0, top: 0, width: '100%' }).eq(0).css({ opacity: simpleGallery_navpanel.panel.opacity }).end().eq(1).css({ color: 'white' }).end().eq(2).html(setting.longestdesc).end().end().appendTo(setting.$wrapperdiv)
    var $gallerydesctext = setting.$descpanel.find('div.gallerydesctext')
    setting.descpanelheight = $gallerydesctext.outerHeight()
    setting.$descpanel.css({ top: -setting.descpanelheight, height: setting.descpanelheight }).find('div').css({ height: '100%' })
    return setting.$descpanel.find('div.gallerydesctext').get(0)
}, getCookie: function (Name) {
    var re = new RegExp(Name + "=[^;]+", "i"); if (document.cookie.match(re))
        return document.cookie.match(re)[0].split("=")[1]
    return null
}, setCookie: function (name, value) { document.cookie = name + "=" + value + ";path=/" }
}