/*****

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;
var imgs = new Array(), imgstitle = new Array(), flyer = new Array(), flyertitle = new Array();
var zInterval = null, current=0, currentflyer=0, pause=false, interval=5000, intervalflyer=7000;

function so_init() {
	if(!d.getElementById || !d.createElement)return;
	
	imgs = d.getElementById("imageContainer").getElementsByTagName("img");
	for(i=0;i<imgs.length;i++)
	 {
	 	 imgs[i].xOpacity = 0;
	 	 imgstitle[i] = imgs[i].alt;
	 } 
	imgs[0].style.display = "block";
	imgs[0].xOpacity = .99;
	document.getElementById('picofweek_subtitle').innerHTML = "<span>" + imgstitle[current] + "</span>";

	flyer = d.getElementById("imageContainerflyer").getElementsByTagName("img");
	for(i=0;i<flyer.length;i++)
	 {
	 	 flyer[i].xOpacity = 0;
	 	 flyertitle[i] = flyer[i].alt;
	 } 
	flyer[0].style.display = "block";
	flyer[0].xOpacity = .99;
	document.getElementById('flyer_text').innerHTML = "<span>" + flyertitle[current] + "</span>";
	
	setTimeout(so_xfade,interval);
	setTimeout(flyer_xfade,intervalflyer);
}

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;
		document.getElementById('picofweek_subtitle').innerHTML = "<span>" + imgstitle[current] + "</span>";
		setTimeout(so_xfade,interval);
	} 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 flyer_xfade() {
	cOpacity = flyer[currentflyer].xOpacity;
	nIndex = flyer[currentflyer+1]?currentflyer+1:0;
	nOpacity = flyer[nIndex].xOpacity;
	
	cOpacity-=.05; 
	nOpacity+=.05;
	
	flyer[nIndex].style.display = "block";
	flyer[currentflyer].xOpacity = cOpacity;
	flyer[nIndex].xOpacity = nOpacity;
	
	setOpacity(flyer[currentflyer]); 
	setOpacity(flyer[nIndex]);
	
	if(cOpacity<=0) {
		flyer[currentflyer].style.display = "none";
		currentflyer = nIndex;
		document.getElementById('flyer_text').innerHTML = "<span>" + flyertitle[currentflyer] + "</span>";
		setTimeout(flyer_xfade,intervalflyer);
	} else {
		setTimeout(flyer_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) + ")";
	}
	
}