var fadeTime = 1;
var delayTime = 7;
var prefix = "/images/banner/siteimage_";
var suffix = ".jpg";


function initPage()
{
	var first = $('splash1');
	if (first) {
		setInterval("fade()", (delayTime + fadeTime)*1000);
	}
	
	var tag = $('bannertag');
	if (tag) {
		Effect.Appear(tag, {duration:0.7,delay:0.5,to:0.7});
	}
}

function fade()
{
	var first = $('splash1');
	var second = $('splash2');
	
	if (first.style.display == "") {
		Effect.Fade(first, {duration:fadeTime});
		Effect.Appear(second, {duration:fadeTime});
		setTimeout("replaceSplash(1)", fadeTime * 1000);
	}
	else {
		Effect.Fade(second, {duration:fadeTime});
		Effect.Appear(first, {duration:fadeTime});
		setTimeout("replaceSplash(2)", fadeTime * 1000);
	}
}

function replaceSplash(which)
{
	var myimg = $('splashimg' + which);
	var mysrc = myimg.src;

	while (mysrc == myimg.src) {
		mysrc = prefix + Math.round(Math.round(Math.random() * 100 + 1) * 52 / 100) + suffix;
	}
	myimg.src = mysrc;
}


Event.observe(window, 'load', initPage, false);