/*****

Image Cross Fade Redux
Version 1.0
Last revision: 02.15.2006
steve@slayeroffice.com

Please leave this notice intact. 

Rewrite of old code found here: http://slayeroffice.com/code/imageCrossFade/index.html


*****/

window.addEventListener?window.addEventListener("load",so_init,false):window.attachEvent("onload",so_init);

var d=document, imgs = new Array(), zInterval = null, current=0, pause=false;
var myimages = new Array();		// ovo je za ostale slike

function so_init() {
	if(!d.getElementById || !d.createElement)return;
	
	css = d.createElement("link");
	css.setAttribute("href","xfade2.css");
	css.setAttribute("rel","stylesheet");
	css.setAttribute("type","text/css");
	d.getElementsByTagName("head")[0].appendChild(css);
	
	imgs = d.getElementById("imageContainer").getElementsByTagName("img");
	for(i=1;i<imgs.length;i++) imgs[i].xOpacity = 0;
	imgs[0].style.display = "block";
	imgs[0].xOpacity = .99;

	setTimeout(so_xfade,3800);
	
	preloading('/images/big_zuto.jpg','/images/big_laboratorija-rad.jpg','/images/big_uredjaji.jpg','/images/big_livenje2.jpg','/images/big_radionica.jpg','/images/big_mikroskop.jpg','/images/big_fontana2.jpg');
}

function so_xfade() {
	cOpacity = imgs[current].xOpacity;
	nIndex = imgs[current+1]?current+1:0;
	nOpacity = imgs[nIndex].xOpacity;
	
	cOpacity-=.05; 
	nOpacity+=.05;

	imgs[nIndex].style.display = "block";
	imgs[current].xOpacity = cOpacity;
	imgs[nIndex].xOpacity = nOpacity;
	
	setOpacity(imgs[current]); 
	setOpacity(imgs[nIndex]);
	
	if(cOpacity<=0) {
		imgs[current].style.display = "none";
		current = nIndex;
		setTimeout(so_xfade,3800);
	} else {
		setTimeout(so_xfade,50);
	}
	
	function setOpacity(obj) {
		if(obj.xOpacity>.99) {
			obj.xOpacity = .99;
			return;
		}
		obj.style.opacity = obj.xOpacity;
		obj.style.MozOpacity = obj.xOpacity;
		obj.style.filter = "alpha(opacity=" + (obj.xOpacity*100) + ")";
	}
	
}







function imagesLoaded(rac) {
	img = d.createElement("img");
	img.setAttribute("src",rac);
	d.getElementById("imageContainer").appendChild(img);
	imgs2 = d.getElementById("imageContainer").getElementsByTagName("img");
	i=imgs2.length;

	imgs[i-1]=imgs2[i-1]
	imgs[i-1].xOpacity = 0;
}

function preloading(){
	for (x=0; x<preloading.arguments.length; x++){
	myimages[x] = new Image();
	
	myimages[x].onLoad=imagesLoaded(preloading.arguments[x]);
	myimages[x].src = preloading.arguments[x];
	}
}