/***********************************************
* 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.
***********************************************/

/***************************************************************************
// Place this section of code in the page where you want the slideshow
// then include this script file immediately after.
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
// Setup each image in the slideshow indvidually into the array 'fadeimages' 
// using this syntax:

var fadeimages=new Array()

//SET IMAGE PATHS. Extend or contract array as needed
fadeimages[0] = ["[image 1 location]", "[onclick url]", "[target]"];
fadeimages[1] = ["[image 2 location]", "[onclick url]", "[target]"];
fadeimages[2] = ["[image 3 location]", "[onclick url]", "[target]"];

var fadebgcolor="black"  // Set the fade out color
****************************************************************************/

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();}); } //thanks to Mike (aka Mwinter) :)
   this.theimages=theimages;
   this.imageborder=parseInt(borderwidth,10);
   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 (iebrowser&&dom||dom) { this.startit(); }//if IE5+ or modern browsers such as Firefox      
   else {
      this.curimageindex++;
      setInterval("fadearray["+this.slideshowid+"].rotateimage()", this.delay);
   }
}//end fadeshow

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") { obj.tempobj.filters[0].opacity=obj.degree; }//if IE6+            
         else { obj.tempobj.style.filter="alpha(opacity="+obj.degree+")"; } //else if IE5.5-         
      }
      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);
   }
}//end fadepic
 
fadeshow.prototype.populateslide=function(picobj, picindex){
   var slideHTML="";
   if (this.theimages[picindex][1]!="") { slideHTML='<a href="'+this.theimages[picindex][1]+'" target="'+this.theimages[picindex][2]+'">'; } //if associated link exists for image      
   slideHTML+='<img src="'+this.postimages[picindex].src+'" border="'+this.imageborder+'px" style="border-color: black;" />';
   if (this.theimages[picindex][1]!="") { slideHTML+='</a>'; } //if associated link exists for image      
   picobj.innerHTML=slideHTML;
};//end populateslide

fadeshow.prototype.rotateimage=function(){
   if (this.pausecheck==1) { var cacheobj=this; } //if pause onMouseover enabled, cache object      
   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;
};//end rotateimage
 
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") { crossobj.filters(0).opacity=this.degree; } //if IE6+         
      else { crossobj.style.filter="alpha(opacity="+this.degree+")"; }//else if IE5.5-      
   }
   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; }      
};//end resetit

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();
};//end startit