/*****

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


*****/


var d=document, imgs = new Array(), zInterval = null, current=0, pause=false, active=true;

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,6000);
}

function so_xfade() {
	if(active == true) {
		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,6000);
		} else {
			setTimeout(so_xfade,100);
		}
	}
	
	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_startstop(el) {
	if(active == true) {
		el.innerHTML = "<img src=\"/images/stop.gif\" class=\"stop_img\" border=\"0\"> Start";
		active = false;
	} else {
		el.innerHTML = "<img src=\"/images/stop.gif\" class=\"stop_img\" border=\"0\"> Stop";
		active = true;
		so_xfade();
	}
}