var alphaSt = 100;
var alphaEnd = 0;
var step = -5;
var pos = alphaSt;
function pageTransition() {
if ($('transitionDiv')) {
	if (pos>alphaEnd) {
		if (!isNaN($('transitionDiv').style.opacity))
			$('transitionDiv').style.opacity = pos/100;
		else if (!isNaN($('transitionDiv').style.MozOpacity))
			$('transitionDiv').style.MozOpacity = pos;
		else 
			$('transitionDiv').style.filter = "alpha(opacity=" + pos + ");"
		pos += step;
		//pageTransition.defer();
		pageTransition.defer();
	} else {
		$('transitionDiv').remove();
	}
}
}

document.observe("dom:loaded", function() {
	pageTransition();
});



/*
var backPosSt = -600;
var backPosEnd = 900;
var step = 50;
var pos = backPosSt;
function pageTransition() {
if ($('transitionDiv')) {
	if (pos<=backPosEnd) {
		$('transitionDiv').style.backgroundPosition= pos + "px";
		pos += step;
		pageTransition.defer();
	} else {
		$('transitionDiv').remove();
	}
}
}

document.observe("dom:loaded", function() {
	pageTransition();
});
*/