/*****

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, divs1 = new Array(), divs2 = new Array(), divs3 = new Array(), divs4 = 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","xfade2.css");
	css.setAttribute("rel","stylesheet");
	css.setAttribute("type","text/css");
	d.getElementsByTagName("head")[0].appendChild(css);

	divs1 = d.getElementById("divContainer1").getElementsByTagName("div");
	for(i=1;i<divs1.length;i++) divs1[i].xOpacity = 0;
	divs1[0].style.display = "block";
	divs1[0].xOpacity = .99;

	divs2 = d.getElementById("divContainer2").getElementsByTagName("div");
	for(i=1;i<divs2.length;i++) divs2[i].xOpacity = 0;
	divs2[0].style.display = "block";
	divs2[0].xOpacity = .99;

	divs3 = d.getElementById("divContainer3").getElementsByTagName("div");
	for(i=1;i<divs3.length;i++) divs3[i].xOpacity = 0;
	divs3[0].style.display = "block";
	divs3[0].xOpacity = .99;

	divs4 = d.getElementById("divContainer4").getElementsByTagName("div");
	for(i=1;i<divs4.length;i++) divs4[i].xOpacity = 0;
	divs4[0].style.display = "block";
	divs4[0].xOpacity = .99;
	
	setTimeout(so_xfade,3000);
}

function so_xfade() {
	cOpacity = divs1[current].xOpacity;
	nIndex = divs1[current+1]?current+1:0;

	nOpacity = divs1[nIndex].xOpacity;
	
	cOpacity-=.05; 
	nOpacity+=.05;

	divs1[nIndex].style.display = "block";
	divs1[current].xOpacity = cOpacity;
	divs1[nIndex].xOpacity = nOpacity;

	divs2[nIndex].style.display = "block";
	divs2[current].xOpacity = cOpacity;
	divs2[nIndex].xOpacity = nOpacity;

	divs3[nIndex].style.display = "block";
	divs3[current].xOpacity = cOpacity;
	divs3[nIndex].xOpacity = nOpacity;

	divs4[nIndex].style.display = "block";
	divs4[current].xOpacity = cOpacity;
	divs4[nIndex].xOpacity = nOpacity;
	
	setOpacity(divs1[current]); 
	setOpacity(divs1[nIndex]);

	setOpacity(divs2[current]); 
	setOpacity(divs2[nIndex]);

	setOpacity(divs3[current]); 
	setOpacity(divs3[nIndex]);

	setOpacity(divs4[current]); 
	setOpacity(divs4[nIndex]);
	
	if(cOpacity<=0) {
		divs1[current].style.display = "none";
		divs2[current].style.display = "none";
		divs3[current].style.display = "none";
		divs4[current].style.display = "none";
		current = nIndex;
		setTimeout(so_xfade,3000);
	} 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) + ")";
	}
	
}