/*******************************************************************************
 * Ultimate Fade-In Slideshow (v1.51): © Dynamic Drive
 * (http://www.dynamicdrive.com) This notice MUST stay intact for legal use
 * Visit http://www.dynamicdrive.com/ for this script and 100s more.
 ******************************************************************************/

var fadebgcolor = ""
var fadespeed = 30;
var fadearray = new Array()
// array to cache fadeshow instances
var fadeclear = new Array()
// array to cache corresponding clearinterval pointers

var dom = (document.getElementById)
// modern dom browsers
var iebrowser = document.all

function fadeshow(theimages, fadewidth, fadeheight, borderwidth, delay, pause, displayorder)
{
  this.initializing = 1
  this.pausecheck = pause
  this.mouseovercheck = 0
  this.delay = delay
  this.degree = 10 // initial opacity degree (10%)
  this.curimageindex = 0
  this.nextimageindex = 1
  fadearray[fadearray.length] = this
  this.slideshowid = fadearray.length - 1
  this.canvasbase = "canvas" + this.slideshowid
  this.curcanvas = this.canvasbase + "_0"
  if (typeof displayorder != "undefined")
    theimages.sort( function()
    {
      return 0.5 - Math.random();
    }) // thanks to Mike (aka Mwinter) :)
  this.theimages = theimages
  this.imageborder = parseInt(borderwidth)
  this.postimages = new Array() // preload images
  for (p = 0; p < theimages.length; p++)
  {
    this.postimages[p] = new Image()
    this.postimages[p].src = theimages[p][0]
  }

  var fadewidth = fadewidth + this.imageborder * 2
  var fadeheight = fadeheight + this.imageborder * 2

  if (iebrowser && dom || dom) // if IE5+ or modern browsers (ie: Firefox)
    document
        .write('<div id="master'
            + this.slideshowid
            + '" style="position:relative;width:'
            + fadewidth
            + 'px;height:'
            + fadeheight
            + 'px;overflow:hidden;"><div id="'
            + this.canvasbase
            + '_0" style="position:absolute;width:'
            + fadewidth
            + 'px;height:'
            + fadeheight
            + 'px;top:0;left:0;filter:progid:DXImageTransform.Microsoft.alpha(opacity=10);opacity:0.1;-moz-opacity:0.1;-khtml-opacity:0.1;background-color:'
            + fadebgcolor
            + '"></div><div id="'
            + this.canvasbase
            + '_1" style="position:absolute;width:'
            + fadewidth
            + 'px;height:'
            + fadeheight
            + 'px;top:0;left:0;filter:progid:DXImageTransform.Microsoft.alpha(opacity=10);opacity:0.1;-moz-opacity:0.1;-khtml-opacity:0.1;background-color:'
            + fadebgcolor + '"></div></div>')
  else
    document.write('<div><img name="defaultslide' + this.slideshowid + '" src="' + this.postimages[0].src + '"></div>')

  if (this.delay < 0)
  {
    this.degree = 90
    this.fade()
  }
  else
  {    
    this.fade()
  }
  this.initializing = 0
}

fadeshow.prototype.fade = function start()
{
  if (!this.initializing)
    clearInterval(fadeclear[this.slideshowid]);
  
  if (iebrowser && dom || dom) // if IE5+ or modern browsers such as Firefox
    this.startit()
  else
  {
    this.curimageindex++
    setInterval("fadearray[" + this.slideshowid + "].rotateimage()", this.delay)
  }
}

function fadepic(obj)
{
  if (obj.degree < 100)
  {
    obj.degree += 10
    if (obj.tempobj.filters && obj.tempobj.filters[0])
    {
      if (typeof obj.tempobj.filters[0].opacity == "number") // if IE6+
        obj.tempobj.filters[0].opacity = obj.degree
      else
        // else if IE5.5-
        obj.tempobj.style.filter = "alpha(opacity=" + obj.degree + ")"
    } else if (obj.tempobj.style.MozOpacity)
      obj.tempobj.style.MozOpacity = obj.degree / 101
    else if (obj.tempobj.style.KhtmlOpacity)
      obj.tempobj.style.KhtmlOpacity = obj.degree / 100
    else if (obj.tempobj.style.opacity && !obj.tempobj.filters)
      obj.tempobj.style.opacity = obj.degree / 101
  } 
  else
  {
    clearInterval(fadeclear[obj.slideshowid])
    obj.nextcanvas = (obj.curcanvas == obj.canvasbase + "_0") ? obj.canvasbase + "_0" : obj.canvasbase + "_1"
    obj.tempobj = iebrowser ? iebrowser[obj.nextcanvas] : document.getElementById(obj.nextcanvas)
    obj.populateslide(obj.tempobj, obj.nextimageindex)
    obj.nextimageindex = (obj.nextimageindex < obj.postimages.length - 1) ? obj.nextimageindex + 1 : 0
    if (obj.delay >= 0)
    {
      setTimeout("fadearray[" + obj.slideshowid + "].rotateimage()", obj.delay)
    }
  }
}

fadeshow.prototype.populateslide = function(picobj, picindex)
{
  var slideHTML = ""
  if (this.theimages[picindex][1] != "") // if associated link exists for image
    slideHTML = '<a href="' + this.theimages[picindex][1] + '" target="' + this.theimages[picindex][2] + '">'
  slideHTML += '<img src="' + this.postimages[picindex].src + '" border="' + this.imageborder + 'px">'
  if (this.theimages[picindex][1] != "") // if associated link exists for image
    slideHTML += '</a>'
  picobj.innerHTML = slideHTML
}

fadeshow.prototype.rotateimage = function()
{
  if (this.pausecheck == 1) // if pause onMouseover enabled, cache object
    var cacheobj = this
  if (this.mouseovercheck == 1)
    setTimeout( function()
    {
      cacheobj.rotateimage()
    }, 100)
  else if (iebrowser && dom || dom)
  {
    if (!this.initializing && this.delay<0)
      this.resetit()
    var crossobj = this.tempobj = iebrowser ? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas)
    crossobj.style.zIndex++
    if (!this.initializing && this.delay<0)
      fadeclear[this.slideshowid] = setInterval("fadepic(fadearray[" + this.slideshowid + "])", fadespeed)
    else
      fadepic(fadearray[this.slideshowid])    
    this.curcanvas = (this.curcanvas == this.canvasbase + "_0") ? this.canvasbase + "_1" : this.canvasbase + "_0"
  } 
  else
  {
    var ns4imgobj = document.images['defaultslide' + this.slideshowid]
    ns4imgobj.src = this.postimages[this.curimageindex].src
  }
  this.curimageindex = (this.curimageindex < this.postimages.length - 1) ? this.curimageindex + 1 : 0
}

fadeshow.prototype.resetit = function()
{
  this.degree = 10
  var crossobj = iebrowser ? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas)
  if (crossobj.filters && crossobj.filters[0])
  {
    if (typeof crossobj.filters[0].opacity == "number") // if IE6+
      crossobj.filters(0).opacity = this.degree
    else
      // else if IE5.5-
      crossobj.style.filter = "alpha(opacity=" + this.degree + ")"
  } else if (crossobj.style.MozOpacity)
    crossobj.style.MozOpacity = this.degree / 101
  else if (crossobj.style.KhtmlOpacity)
    crossobj.style.KhtmlOpacity = this.degree / 100
  else if (crossobj.style.opacity && !crossobj.filters)
    crossobj.style.opacity = this.degree / 101
}

fadeshow.prototype.startit = function()
{
  var crossobj = iebrowser ? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas)
  this.populateslide(crossobj, this.curimageindex)
  if (this.pausecheck == 1)
  { // IF SLIDESHOW SHOULD PAUSE ONMOUSEOVER
    var cacheobj = this
    var crossobjcontainer = iebrowser ? iebrowser["master" + this.slideshowid] : document.getElementById("master" + this.slideshowid)
    crossobjcontainer.onmouseover = function()
    {
      cacheobj.mouseovercheck = 1
    }
    crossobjcontainer.onmouseout = function()
    {
      cacheobj.mouseovercheck = 0
    }
  }
  this.rotateimage()
}