// JavaScript Document

/***********************************************
* 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 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
//
//var fadeimages2=new Array() //2nd array set example. Remove or add more sets as needed.
////SET IMAGE PATHS. Extend or contract array as needed
//fadeimages2[0]=["photo1.jpg", "", ""] //plain image syntax
//fadeimages2[1]=["photo2.jpg", "http://www.cssdrive.com", ""] //image with link syntax
//fadeimages2[2]=["photo3.jpg", "http://www.javascriptkit.com", "_new"] //image with link and target syntax

////START new fadeshow(ARRAY, width, height, borderwith, delay (millisec.), pause (0=no, 1=yes), random ("R") (options))
//new fadeshow(fadeimages, 740, 150, 0, 5000, 0, "R");

var fadebgcolor="#FFF";

////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) {
	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(); });
	}
	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+'" galleryimg="false"></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 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);
	}
}

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" galleryimg="false">';
	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+"])",100);
		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;
	} else if (crossobj.style.opacity!='undefined') {
		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 on mouse over
		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();
};