/* Ultimate Fade-in slideshow (v2.1)
* Last updated: Sept 10th, 2009. 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

var fadeSlideShow_descpanel={
		 controls: [['x.png',7,7], ['/MJI/MJ.nsf/restore.png',10,11], ['/MJI/MJ.nsf/loading.gif',54,55]], //full URL and dimensions of close, restore, and loading images
		 fontStyle: 'bold 12pt Georgia, Arial, Times, serif', //font style for text descriptions
		 slidespeed: 200 //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:pointer;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!=""){ //if at least one slide contains a description (feature is enabled)
		 		 		 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')
		 		 		 		 		 $(this).css({visibility:'hidden'})
		 		 		 		 })
		 		 		 }
		 		 		 else{ //display desc panel on demand (mouseover)
		 		 		 		 setting.$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})
		 		 $slideimage.css({marginTop: (imgdimensions[1]>0 && imgdimensions[1]<setting.dimensions[1])? setting.dimensions[1]/2-imgdimensions[1]/2 : 0})
		 		 setting.$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.$gallerylayers.eq(setting.fglayer).get(0), setting.curimage)
		 		 		 		 }catch(e){
		 		 		 		 		 alert("Fade In Slideshow error: An error has occured somwhere in your code attached to the \"onslide\" event: "+e)
		 		 		 		 }
		 		 		 		 setting.currentstep+=1
		 		 		 		 if (setting.displaymode.type=="auto"){
		 		 		 		 		 if (setting.currentstep<=setting.totalsteps || setting.displaymode.cycles==0)
		 		 		 		 		 		 setting.playtimer=setTimeout(function(){slideshow.showslide('next')}, setting.displaymode.pause)
		 		 		 		 }
		 		 		 }) //end callback function
		 		 setting.$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
//Set Text Indicator ON
if (setting.curimage > 0) {
	document.getElementById('slideShowList' + (setting.curimage-1)).className = 'slideShowList';
//	var id = 'slideShowList' + (setting.curimage-1);
//	new Effect.Morph(id, {style: 'slideShowList,color:#FF0000', duration: 0.8});
}
if (setting.curimage == 0) {
	document.getElementById('slideShowList' + (setting.imagearray.length-1)).className = 'slideShowList';
//	var id = 'slideShowList' + (setting.imagearray.length-1)
//	new Effect.Morph(id, {style: 'slideShowList,color:#FF0000', duration: 0.8});
}
//document.getElementById('slideShowList' + setting.curimage).className = 'slideShowListON';
//	document.getElementById('slideShowList' + setting.curimage).style.backgroundColor = '#00346D';
	new Effect.Morph('slideShowList' + setting.curimage, {style: 'slideShowListON', duration: 2});

		 		 if (setting.$descpanel)
		 		 		 setting.$descpanel.css({visibility:(setting.imagearray[imgindex][3])? 'visible' : 'hidden'})
		 		 if (setting.imagearray[imgindex][3])
		 		 		 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, showcontrol){
		 		 var setting=this.setting
		 		 var endpoint=(state=="show")? setting.dimensions[1]-setting.panelheight : this.setting.dimensions[1]
		 		 setting.$descpanel.stop().animate({top:endpoint}, fadeSlideShow_descpanel.slidespeed, function(){
		 		 		 if (setting.descreveal=="always" && state=="hide")
		 		 		 		 setting.$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:0px;" />\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=$('<img class="restore" title="Restore Description" src="' + fadeSlideShow_descpanel.controls[1][0] +'" style="position:absolute;visibility:hidden;right:0;bottom:0;z-index:1002;width:'+fadeSlideShow_descpanel.controls[1][1]+'px;height:'+fadeSlideShow_descpanel.controls[1][2]+'px;cursor:pointer;cursor:pointer" />')
		 		 		 		 .appendTo(setting.$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=/"
		 }
}