// Set slideShowSpeed (milliseconds)
var slideShowSpeed = 9000

var xOp7=false,xOp5or6=false,xIE4Up=false,xNN4=false,xUA=navigator.userAgent.toLowerCase();
if(window.opera){
  xOp7=(xUA.indexOf('opera 7')!=-1 || xUA.indexOf('opera/7')!=-1);
  if (!xOp7) xOp5or6=(xUA.indexOf('opera 5')!=-1 || xUA.indexOf('opera/5')!=-1 || xUA.indexOf('opera 6')!=-1 || xUA.indexOf('opera/6')!=-1);
}
else if(document.layers) xNN4=true;
else {xIE4Up=document.all && xUA.indexOf('msie')!=-1 && parseInt(navigator.appVersion)>=4;}

// Duration of crossfade (seconds)
var crossFadeDuration = 5

// Specify the image files
var Pic = new Array() // don't touch this
// to add more images, just continue
// the pattern, adding to the array below

Pic[0] = 'images/ss/slide_1.jpg'
Pic[1] = 'images/ss/slide_2.jpg'
Pic[2] = 'images/ss/slide_3.jpg'
Pic[3] = 'images/ss/slide_4.jpg'


var t
var j = 3
var p = Pic.length
var pos = j

var preLoad = new Array()

function preLoadPic(index)
{
        if (Pic[index] != ''){
                window.status='Loading : '+Pic[index]
                preLoad[index] = new Image()
                preLoad[index].src = Pic[index]
                Pic[index] = ''
                window.status=''
        }
}

function runSlideShow(){
   if (xIE4Up){
            document.images.SlideShow.style.filter="blendTrans(duration=2)"
                document.images.SlideShow.style.filter= "blendTrans(duration=crossFadeDuration)"
      document.images.SlideShow.filters.blendTrans.Apply()
        }
        document.images.SlideShow.src = preLoad[j].src
        if (xIE4Up){
           document.images.SlideShow.filters.blendTrans.Play()
        }

        pos = j

        j = j + 1
        if (j > (p-1)) j=0
        t = setTimeout('runSlideShow()', slideShowSpeed)
        preLoadPic(j)
}

function endSlideShow(){
        self.document.location = 'displayimage.php?album=topn&cat=1&pos='+pos
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}
var preloadFlag = false;

function preloadImages() {
	if (document.images) {
	p_1 = newImage("images/ss/slide_1.jpg");
	p_2 = newImage("images/ss/slide_2.jpg");
	p_3 = newImage("images/ss/slide_3.jpg");
	p_4 = newImage("images/ss/slide_4.jpg");
		preloadFlag = true;
	}
}