slideshowSpeed = 7000;
transitionSpeed = 2000;
slideshowParent = "header-span";
slideshowName = "slideshow-img";

images = document.getElementsByName(slideshowName);
numImages = images.length;
n = 1;

var isIE, browser = navigator.userAgent;
if(browser.indexOf("MSIE")==-1){ isIE = false; }else{ isIE = true; }


function rotate(){
	if(n>=numImages){ nextN = 1; }else{ nextN = n+1; }
	
	var animA = new Fx.Tween(images[n-1]);
	if(animA.start){
		if(isIE){
			images[n-1].style.filter = "alpha(opacity=0)";
		}else{
			animA.start('opacity',0);
		}
	}
				
	var animB = new Fx.Tween(images[nextN-1]);
	if(animB.start){
		if(isIE){
			images[nextN-1].style.filter = "none";
		}else{
			animB.start('opacity',1);
		}
	}
	n = nextN;
	
	setTimeout("rotate()",slideshowSpeed);
}

function startShow(){
	for(x=1;x<numImages;x++){
		if(isIE){
			images[x].style.filter = "alpha(opacity=0)";
		}else{
			images[x].style.opacity=0;
		}
		images[x].style.zIndex = 1000-(10*x);
	}
	setTimeout("rotate()",slideshowSpeed);
}

startShow();