/***********************************************
* Ultimate Fade-In Slideshow (v1.51): © Dynamic Drive (http://www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit http://www.dynamicdrive.com/ for this script and 100s more.
***********************************************/
 
/***********************************************
* cb 7/20/09 add alt text as fourth image parameter
* All modified code tagged "cb 7/20/09"
***********************************************/
 
/***********************************************
* cb 1/25/10 ticket #11615  Special for Admissions 
* - add image array definition here
* - set fixed width because photos have varying widths
* All modified code tagged "cb 1/25/10"
***********************************************/

var fadeimages=new Array()
 
var fadebgcolor="white"

////NO need to edit beyond here/////////////
 
var fadearray=new Array() //array to cache fadeshow instances
var fadeclear=new Array() //array to cache corresponding clearinterval pointers
 
var dom=(document.getElementById) //modern dom browsers
var iebrowser=document.all
 
function fadeshow(theimages, fadewidth, fadeheight, borderwidth, delay, pause, displayorder){
this.pausecheck=pause
this.mouseovercheck=0
this.delay=delay
this.degree=10 //initial opacity degree (10%)
this.curimageindex=0
this.nextimageindex=1
fadearray[fadearray.length]=this
this.slideshowid=fadearray.length-1
this.canvasbase="canvas"+this.slideshowid
this.curcanvas=this.canvasbase+"_0"
if (typeof displayorder!="undefined")
theimages.sort(function() {return 0.5 - Math.random();}) //thanks to Mike (aka Mwinter) :)
this.theimages=theimages
this.imageborder=parseInt(borderwidth)
this.postimages=new Array() //preload images
for (p=0;p<theimages.length;p++){
this.postimages[p]=new Image()
this.postimages[p].src=theimages[p][0]
// cb 7/20/09 - add alt text
this.postimages[p].alt=theimages[p][3];
// cb 1/25/10 - force width
this.width = fadewidth;
}
 
var fadewidth=fadewidth+this.imageborder*2
var fadeheight=fadeheight+this.imageborder*2
 
if (iebrowser&&dom||dom) //if IE5+ or modern browsers (ie: Firefox)
document.write('<div id="master'+this.slideshowid+'" style="position:relative;diswidth:'+fadewidth+'px;height:'+fadeheight+'px;overflow:hidden;"><div id="'+this.canvasbase+'_0" style="position:absolute;width:'+fadewidth+'px;height:'+fadeheight+'px;top:0;left:0;filter:progid:DXImageTransform.Microsoft.alpha(opacity=10);opacity:0.1;-moz-opacity:0.1;-khtml-opacity:0.1;background-color:'+fadebgcolor+'"></div><div id="'+this.canvasbase+'_1" style="position:absolute;width:'+fadewidth+'px;height:'+fadeheight+'px;top:0;left:0;filter:progid:DXImageTransform.Microsoft.alpha(opacity=10);opacity:0.1;-moz-opacity:0.1;-khtml-opacity:0.1;background-color:'+fadebgcolor+'"></div></div>')
else
document.write('<div><img name="defaultslide'+this.slideshowid+'" src="'+this.postimages[0].src+'"></div>')
 
if (iebrowser&&dom||dom) //if IE5+ or modern browsers such as Firefox
this.startit()
else{
this.curimageindex++
setInterval("fadearray["+this.slideshowid+"].rotateimage()", this.delay)
}
}

function fadepic(obj){
if (obj.degree<100){
obj.degree+=10
if (obj.tempobj.filters&&obj.tempobj.filters[0]){
if (typeof obj.tempobj.filters[0].opacity=="number") //if IE6+
obj.tempobj.filters[0].opacity=obj.degree
else //else if IE5.5-
obj.tempobj.style.filter="alpha(opacity="+obj.degree+")"
}
else if (obj.tempobj.style.MozOpacity)
obj.tempobj.style.MozOpacity=obj.degree/101
else if (obj.tempobj.style.KhtmlOpacity)
obj.tempobj.style.KhtmlOpacity=obj.degree/100
else if (obj.tempobj.style.opacity&&!obj.tempobj.filters)
obj.tempobj.style.opacity=obj.degree/101
}
else{
clearInterval(fadeclear[obj.slideshowid])
obj.nextcanvas=(obj.curcanvas==obj.canvasbase+"_0")? obj.canvasbase+"_0" : obj.canvasbase+"_1"
obj.tempobj=iebrowser? iebrowser[obj.nextcanvas] : document.getElementById(obj.nextcanvas)
obj.populateslide(obj.tempobj, obj.nextimageindex)
obj.nextimageindex=(obj.nextimageindex<obj.postimages.length-1)? obj.nextimageindex+1 : 0
setTimeout("fadearray["+obj.slideshowid+"].rotateimage()", obj.delay)
}
}
 
fadeshow.prototype.populateslide=function(picobj, picindex){
var slideHTML=""
if (this.theimages[picindex][1]!="") //if associated link exists for image
slideHTML='<a href="'+this.theimages[picindex][1]+'" target="'+this.theimages[picindex][2]+'">'

// cb 7/20/09 - add alt text ; original code commented out, just below.
// cb 1/25/10 - force width
slideHTML+='<img src="'+this.postimages[picindex].src+'"'+
		  		   ' alt="'+this.postimages[picindex].alt+'"'+
					' width="'+ this.width + '"' +
					' border="'+this.imageborder+'px" />'
// slideHTML+='<img src="../include/'+this.postimages[picindex].src+'" border="'+this.imageborder+'px">'

if (this.theimages[picindex][1]!="") //if associated link exists for image
slideHTML+='</a>'
picobj.innerHTML=slideHTML
}
 
 
fadeshow.prototype.rotateimage=function(){
if (this.pausecheck==1) //if pause onMouseover enabled, cache object
var cacheobj=this
if (this.mouseovercheck==1)
setTimeout(function(){cacheobj.rotateimage()}, 100)
else if (iebrowser&&dom||dom){
this.resetit()
var crossobj=this.tempobj=iebrowser? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas)
crossobj.style.zIndex++
fadeclear[this.slideshowid]=setInterval("fadepic(fadearray["+this.slideshowid+"])",50)
this.curcanvas=(this.curcanvas==this.canvasbase+"_0")? this.canvasbase+"_1" : this.canvasbase+"_0"
}
else{
var ns4imgobj=document.images['defaultslide'+this.slideshowid]
ns4imgobj.src=this.postimages[this.curimageindex].src
}
this.curimageindex=(this.curimageindex<this.postimages.length-1)? this.curimageindex+1 : 0
}
 
fadeshow.prototype.resetit=function(){
this.degree=10
var crossobj=iebrowser? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas)
if (crossobj.filters&&crossobj.filters[0]){
if (typeof crossobj.filters[0].opacity=="number") //if IE6+
crossobj.filters(0).opacity=this.degree
else //else if IE5.5-
crossobj.style.filter="alpha(opacity="+this.degree+")"
}
else if (crossobj.style.MozOpacity)
crossobj.style.MozOpacity=this.degree/101
else if (crossobj.style.KhtmlOpacity)
crossobj.style.KhtmlOpacity=this.degree/100
else if (crossobj.style.opacity&&!crossobj.filters)
crossobj.style.opacity=this.degree/101
}
 
 
fadeshow.prototype.startit=function(){
var crossobj=iebrowser? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas)
this.populateslide(crossobj, this.curimageindex)
if (this.pausecheck==1){ //IF SLIDESHOW SHOULD PAUSE ONMOUSEOVER
var cacheobj=this
var crossobjcontainer=iebrowser? iebrowser["master"+this.slideshowid] : document.getElementById("master"+this.slideshowid)
crossobjcontainer.onmouseover=function(){cacheobj.mouseovercheck=1}
crossobjcontainer.onmouseout=function(){cacheobj.mouseovercheck=0}
}
this.rotateimage()
}


//  cb 1/25/10 - Added functions fadeshowSetup() and fadeshowLaunch()

function fadeshowSetup (images) {
	/****************************************************
	 *	Images for the fade/slideshow
	 *	For each image there is an array:
	 *		image file
	 *		link, if hyperlinked
	 *		target window, if hyperlinked
	 *		alt text for image
	 ****************************************************/

// The first group of images are landscape orientation
	images[0]  = ["NASS/slideshow/AcadWorkshop1.jpg", "", "", "Academic workshop in Rickover"];
	images[1]  = ["NASS/slideshow/AcadWorkshop2.jpg", "", "", "Academic workshop in Rickover"];
	images[2]  = ["NASS/slideshow/DamageControl.jpg", "", "", "Learning ship damage control skills"];
	images[3]  = ["NASS/slideshow/drill.jpg",         "", "", "Drill at sunset"];
	images[4]  = ["NASS/slideshow/lowCrawl.jpg",      "", "", "Sea trials low crawl exercise"];
	images[5]  = ["NASS/slideshow/morningRun.jpg",    "", "", "0600 Morning Run"];
	images[6]  = ["NASS/slideshow/pushups.jpg",       "", "", "Morning PEP push-ups"];
	images[7]  = ["NASS/slideshow/seaTrials.jpg",     "", "", "Sea trials"];
	images[8]  = ["NASS/slideshow/situps.jpg",        "", "", "Sit-ups at morning PEP"];
	images[9]  = ["NASS/slideshow/squadPushups.jpg",  "", "", "Squad push-ups"];
	images[10] = ["NASS/slideshow/team1.jpg",         "", "", "Team building exercise"];
	images[11] = ["NASS/slideshow/YP.jpg",            "", "", "Aboard a YP boat"];
	images[12] = ["NASS/slideshow/YPengineering.jpg", "", "", "Learning about engineering spaces of a YP boat"];
	images[13] = ["NASS/slideshow/zodiac.jpg",        "", "", "Learning team building in a zodiac"];
	images[14] = ["NASS/slideshow/firefighting.jpg",  "", "", "Firefighting exercise"];
	images[15] = ["NASS/slideshow/firemanCarry.jpg",  "", "", "Wounded warror fireman carry drills"];
	images[16] = ["NASS/slideshow/martialArts.jpg",   "", "", "Learning martial arts"];

// The following images are portrait orientation
/*
 Removed because when placed above the right menu, they them push the menu down too far.
 Looks particularly bad when a landscape image is showing and there is a large empty space
 below the image.  Could be restored if page layout is changed, though.
*/
/*
	images[17] = ["NASS/slideshow/insignia.jpg",      "", "", "Candidate looking at midshipmen leadership insignia"];
	images[18] = ["NASS/slideshow/ropeClimb.jpg",     "", "", "Rope climb in the forest"];
	images[19] = ["NASS/slideshow/team2.jpg",         "", "", "Team building exercise"];
*/
}

function fadeshowLaunch() {
	new fadeshow(fadeimages, 178, 160, 1, 5000, 1, "R");
}