/***********************************************
* DHTML slideshow script-  © Dynamic Drive DHTML code library (www.dynamicdrive.com)
* This notice must stay intact for legal use
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/

var photos=new Array()
var photoslink=new Array()
var which=0

//define images. You can have as many as you want:
//photos[0]="photo1.jpg"
//photos[1]="photo2.jpg"
//photos[2]="photo3.jpg"

//Specify whether images should be linked or not (1=linked)
var linkornot=0

//Set corresponding URLs for above images. Define ONLY if variable linkornot equals "1"
//photoslink[0]=""
//photoslink[1]=""
//photoslink[2]=""

//do NOT edit pass this line

var preloadedimages=new Array()
for (i=0;i<photos.length;i++){
	preloadedimages[i]=new Image()
	preloadedimages[i].src=photos[i]
}


function applyeffect(){
if (document.all && photoslider.filters){
photoslider.filters.revealTrans.Transition=Math.floor(Math.random()*23)
photoslider.filters.revealTrans.stop()
photoslider.filters.revealTrans.apply()
}
}



function playeffect(){
if (document.all && photoslider.filters)
photoslider.filters.revealTrans.play()
}

function keeptrack(){
	window.status="Image "+(which+1)+" of "+photos.length
	if(document.all){
     document.getElementById('low_picture_number').innerText = which+1;
	} else{
    document.getElementById('low_picture_number').textContent = which+1;
	}
}

function updateCaption(captionText){
	if(document.all){
     document.getElementById('picture_caption').innerText = captionText;
	} else{
    document.getElementById('picture_caption').textContent = captionText;
	}
}


function backward(){
	if (which>0){
		which--
		//applyeffect()
		document.images.photoslider.src=photos[which]
		document.getElementById('main_link').href="javascript:openPictureWindow("+unitID+", "+which+", 0)";
		//document.getElementById('curr_pic').innerHTML=which+1
		//playeffect()
		updateCaption(captions[which]);
		keeptrack()
	} else {
		which = photos.length-1
		//applyeffect()
		document.images.photoslider.src=photos[which]
		document.getElementById('main_link').href="javascript:openPictureWindow("+unitID+", "+which+", 0)";
		//document.getElementById('curr_pic').innerHTML=which+1
		//playeffect()
		updateCaption(captions[which]);
		keeptrack()
	}		
}

function forward(){
	if (which<photos.length-1){
		which++
		//applyeffect()
		document.images.photoslider.src=photos[which]
		document.getElementById('main_link').href="javascript:openPictureWindow("+unitID+", "+which+", 0)";
		///document.getElementById('curr_pic').innerHTML=which+1
		//playeffect()
		updateCaption(captions[which]);
		keeptrack()
	} else {
		which = 0;
		//applyeffect()
		document.images.photoslider.src=photos[which]
		document.getElementById('main_link').href="javascript:openPictureWindow("+unitID+", "+which+", 0)";
		//document.getElementById('curr_pic').innerHTML=which+1
		//playeffect()
		updateCaption(captions[which]);
		keeptrack()
	}
}