/***********************************************

* Ultimate Fade-In Slideshow (v1.5): © 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()

}

