/***********************************************
* 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, loop, rate, displayorder) {
	this.loop=loop;
	this.rate=rate;
	this.pausecheck=pause;
	this.mouseovercheck=0;
	this.delay=delay;
	this.degree=rate;	// initial opacity degree is one step
	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='+this.degree+');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='+this.degree+');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)
		}
	}

function fadepic(obj) {
	if (obj.degree<100) {
		obj.degree+=obj.rate;
		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;
		if ((obj.nextimageindex != 1) || obj.loop) 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] != "") slideHTML+='</a>';	// if associated link exists for image
	picobj.innerHTML=slideHTML;
	}

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;
	}

fadeshow.prototype.resetit=function() {
	this.degree=this.rate;
	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;
	}

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()
	}