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

/*** INSERT THIS CODE TO CREATE A NEW FADER ***

var fadebgcolor="white";

var fadeimages=new Array();
//SET IMAGE PATHS. Extend or contract array as needed
fadeimages[0]=["photo1.jpg", "", ""]; //plain image syntax
fadeimages[1]=["photo2.jpg", "http://www.cssdrive.com", ""]; //image with link syntax
fadeimages[2]=["photo3.jpg", "http://www.javascriptkit.com", "_new"]; //image with link and target syntax

//new fadeshow(IMAGES_ARRAY_NAME, slideshow_width, slideshow_height, borderwidth, delay, pause (0=no, 1=yes), optionalRandomOrder)
new fadeshow(fadeimages, 140, 225, 0, 3000, 1, "R")

*/


////NO need to edit beyond here/////////////

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, rawContent) {
	this.pausecheck=pause;
	this.mouseovercheck=0;
	this.delay=delay;
	this.degree=5; //initial opacity degree (%)
	this.step=5; //step opacity by this much every 50ms
	this.curimageindex=0;
	this.nextimageindex=1;
	this.rawContent=(rawContent ? true : false);
	fadearray[fadearray.length]=this;
	this.slideshowid=fadearray.length-1;
	this.canvasbase="fadeshow:canvas"+this.slideshowid;
	this.curcanvas=this.canvasbase+"_0";
	if (typeof displayorder!="undefined" && displayorder)
		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
	if(rawContent) {
		// Parse out any image tags for preloading
		var rexp = new RegExp('<img\\s[^>]*src="([^"]*)"', 'ig');
		for (p=0;p<theimages.length;p++) {
			var images = theimages[p].match(rexp);
			for(var i=0; i < images.length; i++) {
				var image = images[i].replace(rexp, '$1');
				this.postimages.push(new Image());
				this.postimages[this.postimages.length-1].src = image;
			}
		}
	}
	else {
		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="fadeshow: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 {
		if(this.rawContent) {
			document.write('<div>' + this.theimages[0] + '</div>');
		}
		else {
			document.write('<div><img name="defaultslide' + this.slideshowid + '" src="' + this.theimages[0][0] + '"></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+=obj.step;
		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.theimages.length-1)? obj.nextimageindex+1 : 0;
		setTimeout("fadearray["+obj.slideshowid+"].rotateimage()", obj.delay);
	}
}

fadeshow.prototype.populateslide=function(picobj, picindex) {
	var slideHTML="";
	if(this.rawContent) {
		slideHTML = this.theimages[picindex];
	}
	else {
		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.theimages[picindex][0]+'" 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.theimages[this.curimageindex][0];
	}
	this.curimageindex=(this.curimageindex<this.theimages.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["fadeshow:master"+this.slideshowid] : document.getElementById("fadeshow:master"+this.slideshowid);
		crossobjcontainer.onmouseover=function(){cacheobj.mouseovercheck=1};
		crossobjcontainer.onmouseout=function(){cacheobj.mouseovercheck=0};
	}
	this.rotateimage();
}