//Global javascript preload
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  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=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

//PLAY IMAGE FUNCTION
function imageItem(image_location)
{
	this.image_item = new Image();
	this.image_item.src = image_location;
}
			
function get_ImageItemLocation(imageObj)
{
	return(imageObj.image_item.src)
}

function randNum(x, y) {
	var range = y - x + 1;
	return Math.floor(Math.random() * range) + x;
}

function getNextImage()
{
	if (random_display)
	{
		ImageNum = randNum(0, number_of_image-1);
	}
	else
	{
	ImageNum = (ImageNum+1) % number_of_image;
	}
	var new_image = get_ImageItemLocation(imageArray[ImageNum]);
	return(new_image);
}

var ImageCount = 0;

function getNextImage()
{
	if (random_display) {
		ImageCount = randNum(0, number_of_image-1);
	}
	else {
		ImageCount = ImageCount+1;
		if (ImageCount == number_of_image)
		{
			ImageCount -= number_of_image;
		}
	}
	var new_image = get_ImageItemLocation(imageArray[ImageCount]);
	return(new_image);
}

function getPrevImage()
{
	ImageCount = ImageCount-1;
	if (ImageCount == -1)
	{
		ImageCount += number_of_image;
	}
	var new_image = get_ImageItemLocation(imageArray[ImageCount]);
	return(new_image);
}
function prevImage(place)
{
	var new_image = getPrevImage();
	document[place].src = new_image;
	var recur_call = "rotateImage('"+place+"')";
	timerID = setTimeout(recur_call, interval);
}
function rotateImage(place) 
{
	var new_image = getNextImage();
	document[place].src = new_image;
	var recur_call = "rotateImage('"+place+"')";
	timerID = setTimeout(recur_call, interval);
}