var divs_to_fade = new Array('spot-1', 'spot-2');

/* old colin code
var i = 0;

// the number of milliseconds between swaps. Default is five seconds.
var slideshow_wait = 5500;

// the function that performs the fade
function swapFade() {
Effect.Fade(divs_to_fade[i], { duration:2.0, from:1.0, to:0.0 });
i++;
if (i == 2) i = 0;
Effect.Appear(divs_to_fade[i], { duration:2.0, from:0.0, to:1.0 });
}

// the onload event handler that starts the fading.
function startSlideShow() {
setInterval('swapFade()',slideshow_wait);
}

*/


var ss_currentFadeOut = -1; var ss_p=0;
// the number of milliseconds between swaps.
var slideshow_wait = 5500;

ss_fadeInVar = 0.0;
ss_fadeOutVar = 1.0;
ss_doFadeIn = false;
ss_doFadeOut = false;
ss_fi = setInterval('ss_fadeOut()',50);
ss_fo = setInterval('ss_fadeIn()',50);


// the function that performs the fade
function ss_swapPromo() {
	if ((ss_doFadeIn == false) && (ss_doFadeOut == false)) { 
		ss_fadeInVar = 0.0;
		ss_fadeOutVar = 1.0;
		ss_doFadeIn = true;
		ss_doFadeOut = true;
		ss_currentFadeOut++;
		if (ss_currentFadeOut == 2) ss_currentFadeOut = 0;
	}
}

// the onload event handler that starts the fading.
function ss_startPromo() {
	setInterval('ss_swapPromo()',slideshow_wait);
}

function ss_fadeIn() {
	if (ss_doFadeIn) {
		objnum = ss_currentFadeOut+1;
        if (objnum==2) objnum=0;
		obj = document.getElementById(divs_to_fade[objnum]);
		obj.style.display="block";
		
		ss_fadeInVar += 0.1;
		obj.style.opacity = ss_fadeInVar;
		obj.style.MozOpacity = ss_fadeInVar;
		obj.style.filter = "alpha(opacity=" + (ss_fadeInVar*100) + ")";
		if (ss_fadeInVar >= 1.0) {
			ss_doFadeIn = false;
		}	
	}
}
function ss_fadeOut() {
	if (ss_doFadeOut) {
  		objnum=ss_currentFadeOut;
		obj = document.getElementById(divs_to_fade[objnum]);
	
		ss_fadeOutVar -= 0.1;
		obj.style.opacity = ss_fadeOutVar;
		obj.style.MozOpacity = ss_fadeOutVar;
		obj.style.filter = "alpha(opacity=" + (ss_fadeOutVar*100) + ")";
		if (ss_fadeOutVar <= 0) {
			obj.style.display="none";
			ss_doFadeOut = false;
		}
	}
}