/* Ultimate Fade-in slideshow (v2.4)

* Last updated: May 24th, 2010. This notice must stay intact for usage 

* Author: Dynamic Drive at http://www.dynamicdrive.com/

* Visit http://www.dynamicdrive.com/ for full source code

*/



//Oct 6th, 09' (v2.1): Adds option to randomize display order of images, via new option displaymode.randomize
//May 24th, 10' (v2.4): Adds new "peakaboo" option to "descreveal" setting. oninit and onslide event handlers added.


var fadeSlideShow_descpanel = {

    controls: [
        ['x.png', 7, 7],
        ['restore.png', 10, 11],
        ['loading.gif', 54, 55]
    ],
    //full URL and dimensions of close, restore, and loading images
    fontStyle: 'normal 18px Arial',
    //font style for text descriptions
    slidespeed: 300 //speed of description panel animation (in millisec)
}



//No need to edit beyond here...


jQuery.noConflict()



function fadeSlideShow(settingarg) {

    this.setting = settingarg

    settingarg = null

    var setting = this.setting

    setting.fadeduration = setting.fadeduration ? parseInt(setting.fadeduration) : 500

    setting.curimage = (setting.persist) ? fadeSlideShow.routines.getCookie("gallery-" + setting.wrapperid) : 0

    setting.curimage = setting.curimage || 0 //account for curimage being null if cookie is empty
    setting.currentstep = 0 //keep track of # of slides slideshow has gone through (applicable in displaymode='auto' only)
    setting.totalsteps = setting.imagearray.length * (setting.displaymode.cycles > 0 ? setting.displaymode.cycles : Infinity) //Total steps limit (applicable in displaymode='auto' only w/ cycles>0)
    setting.fglayer = 0,
        setting.bglayer = 1 //index of active and background layer (switches after each change of slide)
        setting.oninit = setting.oninit ||
        function () {}

        setting.onslide = setting.onslide ||
        function () {}

        if (setting.displaymode.randomize) //randomly shuffle order of images?
        setting.imagearray.sort(function () {
            return 0.5 - Math.random()
        })

        var preloadimages = [] //preload images
    setting.longestdesc = "" //get longest description of all slides. If no desciptions defined, variable contains ""
    for (var i = 0; i < setting.imagearray.length; i++) { //preload images
        preloadimages[i] = new Image()

        preloadimages[i].src = setting.imagearray[i][0]

        if (setting.imagearray[i][3] && setting.imagearray[i][3].length > setting.longestdesc.length)

        setting.longestdesc = setting.imagearray[i][3]

    }

    var closebutt = fadeSlideShow_descpanel.controls[0] //add close button to "desc" panel if descreveal="always"
    setting.closebutton = (setting.descreveal == "always") ? '<img class="close" src="' + closebutt[0] + '" style="float:right;cursor:hand;cursor:pointer;width:' + closebutt[1] + 'px;height:' + closebutt[2] + 'px;margin-left:2px" title="Hide Description" />' : ''

    var slideshow = this

    jQuery(document).ready(function ($) { //fire on DOM ready
        var setting = slideshow.setting

        var fullhtml = fadeSlideShow.routines.getFullHTML(setting.imagearray) //get full HTML of entire slideshow
        setting.$wrapperdiv = $('#' + setting.wrapperid).css({
            position: 'relative',
            visibility: 'visible',
            background: 'black',
            overflow: 'hidden',
            width: setting.dimensions[0],
            height: setting.dimensions[1]
        }).empty() //main slideshow DIV
        if (setting.$wrapperdiv.length == 0) { //if no wrapper DIV found
            alert("Error: DIV with ID \"" + setting.wrapperid + "\" not found on page.")

            return

        }

        setting.$gallerylayers = $('<div class="gallerylayer"></div><div class="gallerylayer"></div>') //two stacked DIVs to display the actual slide 
        .css({
            position: 'absolute',
            left: 0,
            top: 0,
            width: '100%',
            height: '100%',
            background: 'black'
        })

        .appendTo(setting.$wrapperdiv)

        var $loadingimg = $('<img src="' + fadeSlideShow_descpanel.controls[2][0] + '" style="position:absolute;width:' + fadeSlideShow_descpanel.controls[2][1] + ';height:' + fadeSlideShow_descpanel.controls[2][2] + '" />')

        .css({
            left: setting.dimensions[0] / 2 - fadeSlideShow_descpanel.controls[2][1] / 2,
            top: setting.dimensions[1] / 2 - fadeSlideShow_descpanel.controls[2][2]
        }) //center loading gif
        .appendTo(setting.$wrapperdiv)

        var $curimage = setting.$gallerylayers.html(fullhtml).find('img').hide().eq(setting.curimage) //prefill both layers with entire slideshow content, hide all images, and return current image
        if (setting.longestdesc != "" && setting.descreveal != "none") { //if at least one slide contains a description (versus feature is enabled but no descriptions defined) and descreveal not explicitly disabled
            fadeSlideShow.routines.adddescpanel($, setting)

            if (setting.descreveal == "always") { //position desc panel so it's visible to begin with
                setting.$descpanel.css({
                    top: setting.dimensions[1] - setting.panelheight
                })

                setting.$descinner.click(function (e) { //asign click behavior to "close" icon
                    if (e.target.className == "close") {

                        slideshow.showhidedescpanel('hide')

                    }

                })

                setting.$restorebutton.click(function (e) { //asign click behavior to "restore" icon
                    slideshow.showhidedescpanel('show')

                    $(this).css({
                        visibility: 'hidden'
                    })

                })

            } else if (setting.descreveal == "ondemand") { //display desc panel on demand (mouseover)
                setting.$wrapperdiv.bind('mouseenter', function () {
                    slideshow.showhidedescpanel('show')
                })

                setting.$wrapperdiv.bind('mouseleave', function () {
                    slideshow.showhidedescpanel('hide')
                })

            }

        }

        setting.$wrapperdiv.bind('mouseenter', function () {
            setting.ismouseover = true
        }) //pause slideshow mouseover
        setting.$wrapperdiv.bind('mouseleave', function () {
            setting.ismouseover = false
        })

        if ($curimage.get(0).complete) { //accounf for IE not firing image.onload
            $loadingimg.hide()

            slideshow.paginateinit($)

            slideshow.showslide(setting.curimage)

        } else { //initialize slideshow when first image has fully loaded
            $loadingimg.hide()

            slideshow.paginateinit($)

            $curimage.bind('load', function () {
                slideshow.showslide(setting.curimage)
            })

        }

        setting.oninit.call(slideshow) //trigger oninit() event
        $(window).bind('unload', function () { //clean up and persist
            if (slideshow.setting.persist) //remember last shown image's index
            fadeSlideShow.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") //catches 2 gallerylayer divs, gallerystatus div
                        slideshow.setting[k][i].innerHTML = null

                        slideshow.setting[k][i] = null

                    }

                }

            })

            slideshow = slideshow.setting = null

        })

    })

}



fadeSlideShow.prototype = {



    navigate: function (keyword) {

        var setting = this.setting

        clearTimeout(setting.playtimer)

        if (setting.displaymode.type == "auto") { //in auto mode
            setting.displaymode.type = "manual" //switch to "manual" mode when nav buttons are clicked on
            setting.displaymode.wraparound = true //set wraparound option to true
        }

        if (!isNaN(parseInt(keyword))) { //go to specific slide?
            this.showslide(parseInt(keyword))

        } else if (/(prev)|(next)/i.test(keyword)) { //go back or forth inside slide?
            this.showslide(keyword.toLowerCase())

        }

    },



    showslide: function (keyword) {

        var slideshow = this

        var setting = slideshow.setting

        if (setting.displaymode.type == "auto" && setting.ismouseover && setting.currentstep <= setting.totalsteps) { //if slideshow in autoplay mode and mouse is over it, pause it
            setting.playtimer = setTimeout(function () {
                slideshow.showslide('next')
            }, setting.displaymode.pause)

            return

        }

        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)

        var $slideimage = setting.$gallerylayers.eq(setting.bglayer).find('img').hide().eq(imgindex).show() //hide all images except current one
        var imgdimensions = [$slideimage.width(), $slideimage.height()] //center align image
        $slideimage.css({
            marginLeft: (imgdimensions[0] > 0 && imgdimensions[0] < setting.dimensions[0]) ? setting.dimensions[0] / 2 - imgdimensions[0] / 2 : 0
        })

        $slideimage.css({
            marginTop: (imgdimensions[1] > 0 && imgdimensions[1] < setting.dimensions[1]) ? setting.dimensions[1] / 2 - imgdimensions[1] / 2 : 0
        })

        if (setting.descreveal == "peekaboo" && setting.longestdesc != "") { //if descreveal is set to "peekaboo", make sure description panel is hidden before next slide is shown
            clearTimeout(setting.hidedesctimer) //clear hide desc panel timer
            slideshow.showhidedescpanel('hide', 0) //and hide it immediately
        }

        setting.$gallerylayers.eq(setting.bglayer).css({
            zIndex: 1000,
            opacity: 0
        }) //background layer becomes foreground
        .stop().css({
            opacity: 0
        }).animate({
            opacity: 1
        }, setting.fadeduration, function () { //Callback function after fade animation is complete:
            clearTimeout(setting.playtimer)

            try {

                setting.onslide.call(slideshow, setting.$gallerylayers.eq(setting.fglayer).get(0), setting.curimage)

            } catch (e) {

                alert("Fade In Slideshow error: An error has occured somwhere in your code attached to the \"onslide\" event: " + e)

            }

            if (setting.descreveal == "peekaboo" && setting.longestdesc != "") {

                slideshow.showhidedescpanel('show')

                setting.hidedesctimer = setTimeout(function () {
                    slideshow.showhidedescpanel('hide')
                }, setting.displaymode.pause - fadeSlideShow_descpanel.slidespeed)

            }

            setting.currentstep += 1

            if (setting.displaymode.type == "auto") {

                if (setting.currentstep <= setting.totalsteps || setting.displaymode.cycles == 0)

                setting.playtimer = setTimeout(function () {
                    slideshow.showslide('next')
                }, setting.displaymode.pause)

            }

        }) //end callback function
        setting.$gallerylayers.eq(setting.fglayer).css({
            zIndex: 999
        }) //foreground layer becomes background
        setting.fglayer = setting.bglayer

        setting.bglayer = (setting.bglayer == 0) ? 1 : 0

        setting.curimage = imgindex

        if (setting.$descpanel) {

            setting.$descpanel.css({
                visibility: (setting.imagearray[imgindex][3]) ? 'visible' : 'hidden'
            })

            if (setting.imagearray[imgindex][3]) //if this slide contains a description
            setting.$descinner.empty().html(setting.closebutton + setting.imagearray[imgindex][3])

        }

        if (setting.displaymode.type == "manual" && !setting.displaymode.wraparound) {

            this.paginatecontrol()

        }

        if (setting.$status) //if status container defined
        setting.$status.html(setting.curimage + 1 + "/" + totalimages)

    },



    showhidedescpanel: function (state, animateduration) {

        var setting = this.setting

        var endpoint = (state == "show") ? setting.dimensions[1] - setting.panelheight : this.setting.dimensions[1]

        setting.$descpanel.stop().animate({
            top: endpoint
        }, (typeof animateduration != "undefined" ? animateduration : fadeSlideShow_descpanel.slidespeed), function () {

            if (setting.descreveal == "always" && state == "hide")

            setting.$restorebutton.css({
                visibility: 'visible'
            }) //show restore button
        })

    },



    paginateinit: function ($) {

        var slideshow = this

        var setting = this.setting

        if (setting.togglerid) { //if toggler div defined
            setting.$togglerdiv = $("#" + setting.togglerid)

            setting.$prev = setting.$togglerdiv.find('.prev').data('action', 'prev')

            setting.$next = setting.$togglerdiv.find('.next').data('action', 'next')

            setting.$prev.add(setting.$next).click(function (e) { //assign click behavior to prev and next controls
                var $target = $(this)

                slideshow.navigate($target.data('action'))

                e.preventDefault()

            })

            setting.$status = setting.$togglerdiv.find('.status')

        }

    },



    paginatecontrol: function () {

        var setting = this.setting

        setting.$prev.css({
            opacity: (setting.curimage == 0) ? 0.4 : 1
        }).data('action', (setting.curimage == 0) ? 'none' : 'prev')

        setting.$next.css({
            opacity: (setting.curimage == setting.imagearray.length - 1) ? 0.4 : 1
        }).data('action', (setting.curimage == setting.imagearray.length - 1) ? 'none' : 'next')

        if (document.documentMode == 8) { //in IE8 standards mode, apply opacity to inner image of link
            setting.$prev.find('img:eq(0)').css({
                opacity: (setting.curimage == 0) ? 0.4 : 1
            })

            setting.$next.find('img:eq(0)').css({
                opacity: (setting.curimage == setting.imagearray.length - 1) ? 0.4 : 1
            })

        }

    }





}



fadeSlideShow.routines = {



    getSlideHTML: function (imgelement) {

        var layerHTML = (imgelement[1]) ? '<a href="' + imgelement[1] + '" target="' + imgelement[2] + '">\n' : '' //hyperlink slide?
        layerHTML += '<img src="' + imgelement[0] + '" style="border-width:0;" />\n'

        layerHTML += (imgelement[1]) ? '</a>\n' : ''

        return layerHTML //return HTML for this layer
    },



    getFullHTML: function (imagearray) {

        var preloadhtml = ''

        for (var i = 0; i < imagearray.length; i++)

        preloadhtml += this.getSlideHTML(imagearray[i])

        return preloadhtml

    },



    adddescpanel: function ($, setting) {

        setting.$descpanel = $('<div class="fadeslidedescdiv"></div>')

        .css({
            position: 'absolute',
            visibility: 'hidden',
            width: '100%',
            left: 0,
            top: setting.dimensions[1],
            font: fadeSlideShow_descpanel.fontStyle,
            zIndex: '1001'
        })

        .appendTo(setting.$wrapperdiv)

        $('<div class="descpanelbg"></div><div class="descpanelfg"></div>') //create inner nav panel DIVs
        .css({
            position: 'absolute',
            left: 0,
            top: 0,
            width: setting.$descpanel.width() - 8,
            padding: '4px'
        })

        .eq(0).css({
            background: 'black',
            opacity: 0.7
        }).end() //"descpanelbg" div
        .eq(1).css({
            color: 'white'
        }).html(setting.closebutton + setting.longestdesc).end() //"descpanelfg" div
        .appendTo(setting.$descpanel)

        setting.$descinner = setting.$descpanel.find('div.descpanelfg')

        setting.panelheight = setting.$descinner.outerHeight()

        setting.$descpanel.css({
            height: setting.panelheight
        }).find('div').css({
            height: '100%'
        })

        if (setting.descreveal == "always") { //create restore button
            setting.$restorebutton = $('<img class="restore" title="Restore Description" src="' + fadeSlideShow_descpanel.controls[1][0] + '" style="position:absolute;visibility:hidden;right:0;bottom:0;z-index:1002;width:' + fadeSlideShow_descpanel.controls[1][1] + 'px;height:' + fadeSlideShow_descpanel.controls[1][2] + 'px;cursor:pointer;cursor:hand" />')

            .appendTo(setting.$wrapperdiv)





        }

    },





    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 + ";path=/"



    }



}















var mygallery2 = new fadeSlideShow({

    wrapperid: "fadeshow2",
    //ID of blank DIV on page to house Slideshow
    dimensions: [690, 300],
    //width/height of gallery in pixels. Should reflect dimensions of largest image
    imagearray: [

        ["images/slides/slide1.jpg", "http://www.neaveirrigation.com/irrigation-system-installation.php", "_self", "Residential Christmas Decorating"],

        ["images/slides/slide2.jpg", "http://www.neaveirrigation.com/irrigation-system-service.php", "_self", "Residential Decorating"],

        ["images/slides/slide3.jpg", "http://www.neaveirrigation.com/landscape-lighting.php", "_self", "Commercial Christmas Decorating"],

        ["images/slides/slide4.jpg", "http://www.neaveirrigation.com/water-features.php", "_self", "Event Decorating"]















    ],



    displaymode: {
        type: 'auto',
        pause: 2500,
        cycles: 20,
        wraparound: true
    },



    persist: false,
    //remember last viewed slide and recall within same session?


    fadeduration: 200,
    //transition duration (milliseconds)


    descreveal: "none",



    togglerid: "",



    descreveal: "false",



    togglerid: "fadeshow2toggler"



})