var folder;
var numberOfImages;
var slideShowSpeed = 3500;

function preloadImages(a, b) {
	//alert("in");
  /*  var d = document;
	if(d.images) {
		if(!d.p)
			d.p = new Array();
    var i, j = d.p.length, a=preloadImages.arguments;
		for(i=0; i<a.length; i++)
    	if (a[i].indexOf("#") != 0){
				d.p[j] = new Image;
				d.p[j++].src=a[i];
			}
	}*/
	
folder = a;
numberOfImages = b;

//rotatePhoto(folder, startNumber, numberOfImages)
runSlideShow();
}

function swapImgRestore() {
  var i, x, a = document.sr;
	for(i=0; a&&i<a.length&&(x=a[i])&&x.oSrc; i++)
		x.src=x.oSrc;
}

function findObj(n, d) {
  var p, i, x;
	if(!d)
		d=document;
	if((p=n.indexOf("?"))>0&&parent.frames.length) {
  	d=parent.frames[n.substring(p+1)].document;
		n=n.substring(0,p);
	}
  if(!(x=d[n])&&d.all)
		x = d.all[n];
	for (i=0; !x&&i<d.forms.length; i++)
		x = d.forms[i][n];
  for(i=0; !x&&d.layers&&i<d.layers.length; i++)
		x = findObj(n,d.layers[i].document);
  if(!x && d.getElementById)
		x = d.getElementById(n);
	return x;
}

function swapImage() {
  var i, j=0, x, a=swapImage.arguments;
	document.sr = new Array;
	for(i=0; i<(a.length-2); i+=3)
		if ((x=findObj(a[i]))!=null) {
			document.sr[j++]=x;
		 	if(!x.oSrc)
		 		x.oSrc=x.src; 
			x.src = a[i+2];
		}
}

function rotatePhoto(folder, startNumber, numberOfImages)
{
    var fNamePrefix = "./IMG/" + folder + "/picture_left";
    var nIdx = new Number(0);
    var sIdx = nIdx.toString();
    var fStatement = "";
    var ttlPhoto = 66;			//number of photos
    var timeIdx = new Array(ttlPhoto);
    var photo = new Array(ttlPhoto);
    var timeUnit = 1000;
    var timeInterval = 5;


    for (i=startNumber; i<numberOfImages; i++)
    {
	    nIdx++;
	    //sIdx = nIdx.toString();
		sIdx = i.toString();
		//sIdx = Math.floor(Math.random()*numberOfImages)
	    if (sIdx.length == 1)
		    sIdx = "0"+ sIdx;
	    else if (sIdx.length == 0)
		    sIdx = "00"+ sIdx;	

    	//    if(document.getElementById('pic') != null)
		//{
			fStatement = "document.getElementById('pic').src='" + fNamePrefix + sIdx + ".gif'";
		//}
	    timeIdx[i] = timeUnit*nIdx*timeInterval;
	    photo[i] = setTimeout(fStatement,timeIdx[i]);
    }
	
	//setTimeout(rotatePhoto(folder, startNumber, numberOfImages), 1000);

}



function runSlideShow()
{

var crossFadeDuration = 8;
var j = 01;
var done = false;

	//for(int i = 0; i < 500; i++)
	//{

		 /* document.images.SlideShow.style.filter="blendTrans(duration=2)";
		  document.images.SlideShow.style.filter="blendTrans(duration=" + crossFadeDuration + ")";
		  document.images.SlideShow.filters.blendTrans.Play()      
		  document.images.SlideShow.filters.Apply() */
	 
	   j = Math.floor((Math.random()*numberOfImages + 1))
	   if(j < 10)
	   {
		   j = '0' + j;
	   }
	   document.images.SlideShow.src = "./IMG/" + folder + "/picture_left" + j + ".gif";
	  // if (document.all){
		//  document.images.SlideShow.filters.blendTrans.Play();

	  // }
	   
  // }

   t = setTimeout('runSlideShow()', slideShowSpeed);
}