// JavaScript Document
/*
	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.
	http://www.dynamicdrive.com/dynamicindex14/fadeinslideshow.htm

<script type="text/javascript">
fadeshow(IMAGES_ARRAY_NAME, slideshow_width, slideshow_height, borderwidth, delay ms, pause (0/1), optionalRandomOrder)
new fadeshow(fadeimages, 140, 225, 0, 3000, 1, "R")
new fadeshow(fadeimages2, 140, 225, 0, 3000, 0)
</script>

*/

/* SAMPLE ARRAY + IMAGE PATHS. Extend or contract array as needed */
var fadeimages=new Array();
fadeimages[0]=["/webart/photo1.jpg", "", ""];
fadeimages[1]=["/webart/photo2.jpg", "", ""];
 
var fadebgcolor="white";
 
/* 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=="string") && (displayorder.toUpperCase()=='R')) {
		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);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=10);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) { /*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">';
	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=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();
}