Ext.onReady(function(){
	scrollImage();
});

function scrollImage(){
	var id = 'banner-image';
	var image = Ext.get(id);
	
	var pos = image.getStyle('background-position');
	//var pos = image.style.backgroundPosition;
	pos = pos.split(' ');
	var posx = parseInt(pos[0].replace('px', '')) +1;
	
	image.setStyle('background-position', posx+'px '+pos[1]);
	//image.style.backgroundPosition = posx+'px 0';
	
	setTimeout("scrollImage()", 50);
}