/***********************************************
* 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) && !dom_browser.safari; //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);
	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 (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()
}