/***********************************************
* 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.
* rewritten by MW/Xpertise-ict bv to fix loaaaaads of bugs
***********************************************/

/*
* MW 25 May 2007 changed "document.write" to innerHTML to fix "document ready" problem
* MW 14 July 2007 fixed bug in func rotateit causing safari 3 problems
*/
 
var fadeimages=new Array()
var fadebgcolor="white"
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, containerDiv) {
	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,fadeheight=fadeheight+this.imageborder*2;
	var s; 

	if (iebrowser&&dom||dom) { //if IE5+ or modern browsers (ie: Firefox)
		s='<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 {
		s='<div><img name="defaultslide'+this.slideshowid+'" src="'+this.postimages[0].src+'"></div>';
	}
	
	containerDiv.innerHTML = s;

 
	if (iebrowser&&dom||dom) {
		this.startit()
	} else {
		this.curimageindex++;
		setInterval("fadearray["+this.slideshowid+"].rotateimage()", this.delay);
	}
}

function fadepic(obj) { // bullshit code
	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 (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; // obj.degree?
	}
}
 
 
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()
}
