/*****

Image Cross Fade Redux
Version 1.0
Last revision: 02.15.2006
steve@slayeroffice.com

Rewrite of old code found here: http://slayeroffice.com/code/imageCrossFade/index.html

Modified for TotalGutters homepage map bubbles

*****/


window.addEventListener?window.addEventListener("load",map_init,false):window.attachEvent("onload",map_init);

var dd=document, divs = new Array(), zzInterval = null, ccurrent=0, ppause=false;

function map_init() {
	if(!dd.getElementById || !dd.createElement)return;
	
	css = dd.createElement("link");
	css.setAttribute("href","/gutters.css");
	css.setAttribute("rel","stylesheet");
	css.setAttribute("type","text/css");
	dd.getElementsByTagName("head")[0].appendChild(css);
	
	divs = dd.getElementById("homepageright").getElementsByTagName("div");
	for(i=1;i<divs.length;i++) divs[i].xOpacity = 0;
	divs[0].style.display = "block";
	divs[0].xOpacity = 1.0;
	
	var mp = setTimeout(map_xfade,6000);
}

function map_xfade() {
	cOpacity = divs[ccurrent].xOpacity;
	nIndex = divs[ccurrent+1]?ccurrent+1:0;
	nOpacity = divs[nIndex].xOpacity;
	
	cOpacity-=.04; 
	nOpacity+=.04;
	
	divs[nIndex].style.display = "block";
	divs[ccurrent].xOpacity = cOpacity;
	divs[nIndex].xOpacity = nOpacity;
	
	setOpacity(divs[ccurrent]); 
	setOpacity(divs[nIndex]);
	
	if(cOpacity<=0) {
		divs[ccurrent].style.display = "none";
		ccurrent = nIndex;
		setTimeout(map_xfade,6000);
	} else {
		setTimeout(map_xfade,5);
	}
	
	function setOpacity(obj) {
		if(obj.xOpacity>0.99) {
			obj.xOpacity = 1.0;
			return;
		}
		obj.style.opacity = obj.xOpacity;
		obj.style.MozOpacity = obj.xOpacity;
		obj.style.filter = "alpha(opacity=" + (obj.xOpacity*100) + ")";
	}
	
}