/***********************************************
* Ultimate Fade-In Slideshow (v1.5): Š 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 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.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();})
  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);-moz-opacity:10;-khtml-opacity:10;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);-moz-opacity:10;background-color:'+fadebgcolor+'"></div></div>')
  else
    document.write('<div><img name="defaultslide'+this.slideshowid+'" src="'+this.postimages[0].src+'"></div>')

  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 {
    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
    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) {
    this.resetit()
    var crossobj=this.tempobj=iebrowser? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas)
    crossobj.style.zIndex++
    fadeclear[this.slideshowid]=setInterval("fadepic(fadearray["+this.slideshowid+"])",50)
    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=obj.degree/100
}

fadeshow.prototype.startit=function() {
  var crossobj=iebrowser? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas)
  this.populateslide(crossobj, this.curimageindex)
  //IF SLIDESHOW SHOULD PAUSE ONMOUSEOVER
  if (this.pausecheck==1) {
    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()
}