/***********************************************
* 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
 
var fadebgcolor="#FFFFFF url(templates/redflower/images/module_bg.png) repeat-x bottom";
 
////NO need to edit beyond here/////////////
 
var fadearray=new Array() //array to cache fadeshow instances
fadearray.length = 0;
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, delay, speed, pause, displayorder){
	this.pausecheck=pause
	this.mouseovercheck=0
	
	this.delay=delay
	this.speed=speed
	
	this.degree=10 //initial opacity degree (10%)
	this.curimageindex=0
	this.nextimageindex=0
	fadearray[fadearray.length]=this
	this.slideshowid=fadearray.length-1
	this.canvasbase="canvas"+this.slideshowid
	this.curcanvas=this.canvasbase+"_0"
	
	// Altezza e larghezza massima
	this.height = fadeheight;
	this.width = fadewidth;
	
	if (typeof displayorder!="undefined")
		theimages.sort(function() {return 0.5 - Math.random();}) //thanks to Mike (aka Mwinter) :)
	
	this.theimages=theimages
	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]
	}
 	
	document.write('<div id="master'+this.slideshowid+'"style="text-align:center;position:relative;width:'+this.width+'px;height:'+this.height+'px;overflow:hidden;"><div id="'+this.canvasbase+'_0" style="position:absolute;left:0;width:'+this.width+'px;height:'+this.height+'px;filter:progid:DXImageTransform.Microsoft.alpha(opacity=10);-moz-opacity:10;-khtml-opacity:10;background:'+fadebgcolor+'"></div><div id="'+this.canvasbase+'_1" style="position:absolute;left:0;width:'+this.width+'px;height:'+this.height+'px;filter:progid:DXImageTransform.Microsoft.alpha(opacity=10);-moz-opacity:10;background:'+fadebgcolor+'"></div></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 {
		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.nextimageindex=(obj.nextimageindex<obj.postimages.length-1)? obj.nextimageindex+1 : 0
		obj.populateslide(obj.tempobj, obj.nextimageindex)
		setTimeout("fadearray["+obj.slideshowid+"].rotateimage()", obj.delay)
	}
}
 
fadeshow.prototype.populateslide=function(picobj, picindex){
	var slideHTML = size = margintop = '';
	var resizedw = resizedh = null;
	
	// Evita di strecciare le immagini pių piccole della dimensione massima
	// altrimenti le restringe
	if (this.postimages[picindex].width>=this.width || this.postimages[picindex].height>=this.width){
		// Trova su quale lato deve restringere confrontando i pixel di scarto che ci sono tra le dimensioni dell'immagine e
		// quelli dell'area visibile
		if (this.postimages[picindex].width-this.width >= this.postimages[picindex].height-this.height){
			// Immagine orizzontale - ridimensionamento orizzontale
			size = 'width="'+this.width+'px"';
			resizedw = this.width;
			resizedh = (this.postimages[picindex].height*this.width)/this.postimages[picindex].width; // ImgWidth : BoxWidth = ImgHeight : X
			resizepart = 'w';
		} else {
			// Immagine verticale - ridimensionamento verticale
			size = 'height="'+this.height+'px"';	
			resizedw = (this.postimages[picindex].width*this.height)/this.postimages[picindex].height; // ImgHeight : BoxHeight = ImgWidth : X
			resizedh = this.height;
			resizepart = 'h';
		}
	} else {
		size = '';
		resizepart  = null
		// L'immagine č pių piccola del riquadro e non c'č bisogno di nessun ridimensionamento
		resizedw = this.postimages[picindex].width;
		resizedh = this.postimages[picindex].height;
	}
	
	// Barbatrucco per allineare le immagini al centro metto il margine in alto = alla differenza di altezza / 2
	// Il margine viene messo solo quando ho ridimensionato per l'orizzontale e quando l'immagine č pių piccola dell'area
	if (resizepart == 'w' || resizepart == null)
		margintop = 'style="margin-top:'+(Math.round((this.height-resizedh)/2))+'px;"';
	else margintop = '';
			
	slideHTML+='<img '+size+margintop+' src="'+this.postimages[picindex].src+'">'
	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+"])",this.speed)
		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=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["master"+this.slideshowid] : document.getElementById("master"+this.slideshowid)
		crossobjcontainer.onmouseover=function(){cacheobj.mouseovercheck=1}
		crossobjcontainer.onmouseout=function(){cacheobj.mouseovercheck=0}
	}
	this.rotateimage()
}