/*************************************************************************
  This code is from Dynamic Web Coding at http://www.dyn-web.com/
  Copyright 2001-3 by Sharon Paine 
  See Terms of Use at http://www.dyn-web.com/bus/terms.html
  regarding conditions under which you may use this code.
  This notice must be retained in the code as is!
*************************************************************************/

// image file names go in these arrays
randImgObj.set1 = new Array("1.jpg", "2.jpg", "3.jpg", "4.jpg", "5.jpg", "6.jpg", "7.jpg", "8.jpg", "9.jpg", "10.jpg", "11.jpg", "12.jpg", "13.jpg", "14.jpg", "15.jpg", "16.jpg", "17.jpg", "18.jpg", "19.jpg", "20.jpg", "21.jpg", "22.jpg", "23.jpg", "24.jpg", "28.jpg");

// for the second set of rotating images 
randImgObj.set2 = new Array("1.jpg", "2.jpg", "3.jpg", "4.jpg", "5.jpg", "6.jpg", "7.jpg", "8.jpg", "9.jpg", "10.jpg", "11.jpg", "12.jpg", "13.jpg", "14.jpg", "15.jpg", "16.jpg", "17.jpg", "18.jpg", "19.jpg", "20.jpg", "21.jpg", "22.jpg", "23.jpg", "24.jpg", "28.jpg");

// image file names go in these arrays
randImgObj.set3 = new Array("1.jpg", "2.jpg", "3.jpg", "4.jpg", "5.jpg", "6.jpg", "7.jpg", "8.jpg", "9.jpg", "10.jpg", "11.jpg", "12.jpg", "13.jpg", "14.jpg", "15.jpg", "16.jpg", "17.jpg", "18.jpg", "19.jpg", "20.jpg", "21.jpg", "22.jpg", "23.jpg", "24.jpg", "28.jpg");

// for the second set of rotating images 
randImgObj.set4 = new Array("1.jpg", "2.jpg", "3.jpg", "4.jpg", "5.jpg", "6.jpg", "7.jpg", "8.jpg", "9.jpg", "10.jpg", "11.jpg", "12.jpg", "13.jpg", "14.jpg", "15.jpg", "16.jpg", "17.jpg", "18.jpg", "19.jpg", "20.jpg", "21.jpg", "22.jpg", "23.jpg", "24.jpg", "28.jpg");

// image file names go in these arrays
randImgObj.set5 = new Array("1.jpg", "2.jpg", "3.jpg", "4.jpg", "5.jpg", "6.jpg", "7.jpg", "8.jpg", "9.jpg", "10.jpg", "11.jpg", "12.jpg", "13.jpg", "14.jpg", "15.jpg", "16.jpg", "17.jpg", "18.jpg", "19.jpg", "20.jpg", "21.jpg", "22.jpg", "23.jpg", "24.jpg", "28.jpg");

// for the second set of rotating images 
randImgObj.set6 = new Array("1.jpg", "2.jpg", "3.jpg", "4.jpg", "5.jpg", "6.jpg", "7.jpg", "8.jpg", "9.jpg", "10.jpg", "11.jpg", "11.jpg", "12.jpg", "13.jpg", "14.jpg", "15.jpg", "16.jpg");

// If all the images you wish to display are in the same location, you can specify the path here 
randImgObj.imagesPath = "/img/pbc/";

// No need to edit code below this line 
/////////////////////////////////////////////////////////////////////
Array.prototype.shuffle = function() { 
  var i, temp, i1, i2;
  for (i=0; i<this.length; i++) { 
    i1 = Math.floor( Math.random() * this.length );
    i2 = Math.floor( Math.random() * this.length );
    temp = this[i1];
    this[i1] = this[i2];
    this[i2] = temp;
  }
}

randImgObjs = []; // holds all random rotating image objects defined
// constructor 
function randImgObj(s) {
  this.speed=s; this.ctr=0; this.timer=0;  
  this.index = randImgObjs.length; randImgObjs[this.index] = this;
  this.animString = "randImgObjs[" + this.index + "]";
}

randImgObj.prototype = {
  addImages: function(ar) { // preloads images
    this.imgObj.imgs = [];
    for (var i=0; ar[i]; i++) {
      this.imgObj.imgs[i] = new Image();
      this.imgObj.imgs[i].src = randImgObj.imagesPath + ar[i];
    }
  },

  rotate: function() { // controls rotation
    var ctr = Math.floor( Math.random() * this.imgObj.imgs.length );
    if (ctr == this.ctr) ctr = (ctr > 0)? --ctr: ++ctr;
    this.ctr = ctr;
    if ( typeof this.imgObj.filters != "undefined" ) {
   		this.imgObj.style.filter = 'blendTrans(duration=1)';
      if (this.imgObj.filters.blendTrans) this.imgObj.filters.blendTrans.Apply();
    }
    this.imgObj.src = this.imgObj.imgs[this.ctr].src;
    if ( typeof this.imgObj.filters != "undefined" && this.imgObj.filters.blendTrans )
      this.imgObj.filters.blendTrans.Play();    
  }
}

// sets up rotation for all defined randImgObjs
randImgObj.start = function() {
  for (var i=0; i<randImgObjs.length; i++) 
    randImgObjs[i].timer = setInterval(randImgObjs[i].animString + ".rotate()", randImgObjs[i].speed);                     
}

randImgObj.setUpImg = function(imgAr, sp, w, h) {
  var rotator, img, imgStr = "";
  rotator = new randImgObj(sp);
  randImgObjs[randImgObjs.length-1].imgAr = imgAr;
  imgAr.shuffle();
  img = imgAr[ Math.floor( Math.random() * imgAr.length ) ]; 
  imgStr += '<img src="' + randImgObj.imagesPath + img + '" alt="" ';
  imgStr += 'name="img' + (randImgObjs.length-1) + '" width="' + w + '" height="' + h + '" border="">';
  document.write(imgStr); 
}

function initRandRotation() {
  for (var i=0; randImgObjs[i]; i++) {
    var rotator = randImgObjs[i];
    rotator.imgObj = document.images["img" + i]; // get reference to the image object
    rotator.addImages(rotator.imgAr);
    rotator.rotate();
  }
  randImgObj.start();  
}


// Copyright 1999 - 2002 by Ray Stott, Pop-up Images Script ver 2.0
// OK to use if this copyright is included
// Script is available at http://www.crays.com/jsc

var pic = null
var popImg = null  // use this when referring to pop-up image
var picTitle = null
var imgCount = 0
var imgWinName = "popImg"

function openPopImg(picName, windowTitle, windowWidth, windowHeight){
  closePopImg()
  picTitle = windowTitle
  imgWinName = "popImg" + imgCount++ //unique name for each pop-up window
  popImg = window.open(picName, imgWinName,
           "toolbar=no,scrollbars=no,resizable=no,width=" 
           + (parseInt(windowWidth)+20)  + ",height=" 
           + (parseInt(windowHeight)+15)) 
  }
function closePopImg(){    // close pop-up window if it is open 
  if (navigator.appName != "Microsoft Internet Explorer" 
      || parseInt(navigator.appVersion) >=4) //do not close if early IE
    if(popImg != null) if(!popImg.closed) popImg.close() 
  }
function setStatus(msg){
  status = msg
  return true
  }

// for Netscape 3+ and IE 4+
var priorPic = new Array()
var noPic = 0
var foundit = false

function openPopImg(picName,  windowTitle, windowWidth, windowHeight){
  var i = 0
  if(pic == picName && winOpen()){
    popImg.focus()
    }
  else{
    foundit = false
    for(i=0; i<=noPic; i++){
      if (priorPic[i] == picName)
        foundit = true 
      }
    pic = picName
    closePopImg()
    picTitle = windowTitle
    imgWinName = "popImg" + imgCount++ //unique name for each pop-up window
    if(!foundit){
      priorPic[noPic++] = pic
      }
    popImg = openPopImgWin(imgWinName, windowWidth, windowHeight)
    }
  }
function openPopImgWin(imgWinName, windowWidth, windowHeight){
  var winFeatures = "toolbar=no,scrollbars=no,resizable=no,width=" 
    + windowWidth + ",height=" + windowHeight
  return window.open("pimg.htm", imgWinName, winFeatures)
  }
function winOpen(){
  if(popImg != null){ 
    if(popImg.closed != true) return true; else return false
    }  
  else
    return false
  }

// Use this function to control placement of pop-up window
// in Netscape 4+ and Internet Explorer 4+
function openPopImgWin(imgWinName, windowWidth, windowHeight){
  var leftX = 20  // distance of window's left side from left of screen
  var topY = 20   // distance of window's top side from top of screen
  var winFeatures = "toolbar=no,scrollbars=no,resizable=no,width=" 
    + windowWidth + ",height=" + windowHeight
  if (leftX>0){
    winFeatures += ",screenX=" + leftX + ",left=" + leftX	
                + ",screenY=" + topY + ",top=" + topY
    }
  return window.open("pimg.htm", imgWinName, winFeatures)
  }

