/***********************************************
* 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 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, backgroundcolor)
{
  if (backgroundcolor == null)
  {
    this.backgroundcolor = "white";
  }
  else
  {
    this.backgroundcolor = backgroundcolor;
  }
  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:'+this.backgroundcolor+'"></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:'+this.backgroundcolor+'"></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 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;
    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=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();
}