/*****

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;

function so_init() {
	if(!d.getElementById || !d.createElement)return;

	// DON'T FORGET TO GRAB THIS FILE AND PLACE IT ON YOUR SERVER IN THE SAME DIRECTORY AS THE JAVASCRIPT!
	// http://slayeroffice.com/code/imageCrossFade/xfade2.css

	imgs = d.getElementById("imageContainer").getElementsByTagName("img");

//	for(i=0; i<imgs.length;i++) {

	for(i=0; i < 6;i++) {
		imgs[i].xOpacity = 0;
		imgs[i].transition = 0;
	}
//	imgs[0].style.display = "block";
//	imgs[0].xOpacity = .99;
	
	// setTimeout(so_xfade,1000);

	// show_fade();
}

function show_fade(ukaz, first)
{

   if (first) imgs[ukaz].transition = 2;

   if (imgs[ukaz].transition == 2) {

	imgs[ukaz].style.display = "block";

	nOpacity = imgs[ukaz].xOpacity;
	nOpacity+=.14;
	imgs[ukaz].xOpacity = nOpacity;

	setOpacity(imgs[ukaz]); 

	if(nOpacity < 0.99) setTimeout("show_fade("+ukaz+",0)", 1);
	else imgs[ukaz].transition = 0;
   }	
	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 hide_fade(zmaz, first)
{

   if (first) imgs[zmaz].transition = 1;

   if (imgs[zmaz].transition == 1) 
   {

	nOpacity = imgs[zmaz].xOpacity;
	nOpacity-=.14;
	imgs[zmaz].xOpacity = nOpacity;

	setOpacity(imgs[zmaz]); 

	if(nOpacity <= 0) {
		imgs[zmaz].style.display = "none";
		imgs[zmaz].transition = 0;
	}
	else setTimeout("hide_fade("+zmaz+",0)", 1);
   }	

	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 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,1000);
	} 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) + ")";
	}
	
}