// Java Document
// Example:
// randomImage(['0.gif',50,50,'1.gif',25,25,'2.gif',50,25]); 

// * Dependencies * 
// this function requires the following snippet:
// JavaScript/Randomizers/randomNumber

function randomImage(imgArr)
{
  var imgSrc, imgW, imgH, r;
  r = randomNumber(imgArr.length / 3)-1;
  
  imgSrc = imgArr[r * 3];
  imgW = imgArr[(r * 3)+1];
  imgH = imgArr[(r * 3)+2];

  document.write('<IMG SRC='+imgSrc+' WIDTH='+imgW+' HEIGHT='+imgH+' border=0>');
}

function randomNumber(limit){
  return Math.floor(Math.random()*limit);
}

function switchImage(imgName, imgSrc) 
{
  if (document.images)
  {
    if (imgSrc != "none")
    {
      document.images[imgName].src = imgSrc;
    }
  }
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}
// * Dependencies * 
// this function requires the following snippets:
// JavaScript/images/switchImage
//
// BODY Example:
// <body onLoad="mySlideShow1.play(); mySlideShow2.play();">
// <img src="originalImage1.gif" name="slide1">
// <img src="originalImage2.gif" name="slide2">
//
// SCRIPT Example:
// var mySlideList1 = ['image1.gif', 'image2.gif', 'image3.gif'];
// var mySlideShow1 = new SlideShow(mySlideList1, 'slide1', 3000, "mySlideShow1");
// var mySlideList2 = ['image4.gif', 'image5.gif', 'image6.gif'];
// var mySlideShow2 = new SlideShow(mySlideList2, 'slide2', 1000, "mySlideShow2");
function SlideShow(slideList, image, speed, name)          
{
  this.slideList = slideList;
  this.image = image;
  this.speed = speed;
  this.name = name;
  this.current = 0;
  this.timer = 0;
}

SlideShow.prototype.play = SlideShow_play;  

function SlideShow_play()       
{
  with(this)
  {
    if(current++ == slideList.length-1) current = 0;
    switchImage(image, slideList[current]);
    clearTimeout(timer);
    timer = setTimeout(name+'.play()', speed);
  }
}

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];}
}
//-->