function centerLogo(){
	var el = $('zeroninelab_logo');
	centerElement(el);
	window.addEvent('resize',function(){
		centerElement(el);
	});
}Onload.add(centerLogo);

function centerElement(el){
	if(el){
		var elDemensions = el.getCoordinates();
		var windowDemensions = window.getCoordinates();
		var topDiff = (windowDemensions.height - elDemensions.height)/2;
		var leftDiff = (windowDemensions.width - elDemensions.width)/2;
		
		if(topDiff < 0) topDiff = 0;
		if(leftDiff < 0) leftDiff = 0;
		setTop = topDiff+window.getScroll().y;
		el.setStyles({
			top: topDiff+window.getScroll().y,
			left: leftDiff
		});
	}
}