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

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

function so_init() {
	if(!d.getElementById || !d.createElement) return;
	
	imgs = d.getElementById("imageContainer").getElementsByTagName("img");
	for(i=1;i<imgs.length;i++) {
		imgs[i].style.display = "none";
		imgs[i].xOpacity = 0;
	}
	if(imgs.length > 0) {
		imgs[0].style.display = "block";
		imgs[0].xOpacity = .99;
		d.getElementById("imageContainer").style.display='block';
	}

	imgsRight = d.getElementById("imageContainerRight").getElementsByTagName("img");
	for(i=1;i<imgsRight.length;i++) {
		imgsRight[i].style.display = "none";
		imgsRight[i].xOpacity = 0;
	}
	if(imgsRight.length > 0) {
		imgsRight[0].style.display = "block";
		imgsRight[0].xOpacity = .99;
		d.getElementById("imageContainerRight").style.display='block';
	}
	
	setTimeout(so_xfade,3000);
	setTimeout(so_xfade_right,3000);
}

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;
		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) + ")";
	}
}

function so_xfade_right() {
	cOpacity = imgsRight[currentRight].xOpacity;
	nIndex = imgsRight[currentRight+1]?currentRight+1:0;

	nOpacity = imgsRight[nIndex].xOpacity;
	
	cOpacity-=.05; 
	nOpacity+=.05;
	
	imgsRight[nIndex].style.display = "block";
	imgsRight[currentRight].xOpacity = cOpacity;
	imgsRight[nIndex].xOpacity = nOpacity;
	
	setOpacity(imgsRight[currentRight]); 
	setOpacity(imgsRight[nIndex]);
	
	if(cOpacity<=0) {
		imgsRight[currentRight].style.display = "none";
		currentRight = nIndex;
		setTimeout(so_xfade_right,3000);
	} else {
		setTimeout(so_xfade_right,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) + ")";
	}
}