/*****

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, imgs1 = new Array(), imgs2 = new Array(), imgs3 = 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
//	css = d.createElement("link");
//	css.setAttribute("href","main.css");
//	css.setAttribute("rel","stylesheet");
//	css.setAttribute("type","text/css");
//	d.getElementsByTagName("head")[0].appendChild(css);

	imgs1 = d.getElementById("imageContainer1").getElementsByTagName("img");
	for(i=1;i<imgs1.length;i++) imgs1[i].xOpacity = 0;
	imgs1[0].style.display = "block";
	imgs1[0].xOpacity = .99;
	
	imgs2 = d.getElementById("imageContainer2").getElementsByTagName("img");
	for(i=1;i<imgs2.length;i++) imgs2[i].xOpacity = 0;
	imgs2[0].style.display = "block";
	imgs2[0].xOpacity = .99;

	imgs3 = d.getElementById("imageContainer3").getElementsByTagName("img");
	for(i=1;i<imgs3.length;i++) imgs3[i].xOpacity = 0;
	imgs3[0].style.display = "block";
	imgs3[0].xOpacity = .99;

	setTimeout(so_xfade,5000);
}

function so_xfade() {
	cOpacity1 = imgs1[current].xOpacity;
	cOpacity2 = imgs2[current].xOpacity;
	cOpacity3 = imgs3[current].xOpacity;

	nIndex = imgs1[current+1]?current+1:0;

	nOpacity1 = imgs1[nIndex].xOpacity;
	nOpacity2 = imgs2[nIndex].xOpacity;
	nOpacity3 = imgs3[nIndex].xOpacity;
	
	cOpacity1-=.05; 
	nOpacity1+=.05;
	cOpacity2-=.05; 
	nOpacity2+=.05;
	cOpacity3-=.05; 
	nOpacity3+=.05;
	
	imgs1[nIndex].style.display = "block";
	imgs1[current].xOpacity = cOpacity1;
	imgs1[nIndex].xOpacity = nOpacity1;
	imgs2[nIndex].style.display = "block";
	imgs2[current].xOpacity = cOpacity2;
	imgs2[nIndex].xOpacity = nOpacity2;
	imgs3[nIndex].style.display = "block";
	imgs3[current].xOpacity = cOpacity3;
	imgs3[nIndex].xOpacity = nOpacity3;
	
	setOpacity(imgs1[current]); 
	setOpacity(imgs1[nIndex]);
	setOpacity(imgs2[current]); 
	setOpacity(imgs2[nIndex]);
	setOpacity(imgs3[current]); 
	setOpacity(imgs3[nIndex]);
	
	if(cOpacity1<=0) {
		imgs1[current].style.display = "none";
		imgs2[current].style.display = "none";
		imgs3[current].style.display = "none";
		current = nIndex;
		setTimeout(so_xfade,5000);
	} else {
		setTimeout(so_xfade,30);
	}


	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) + ")";
	}
	
}