// splash animation
Ext.onReady(function(){
	var fimg = Ext.get('front-image');
	var bimg = Ext.get('back-image');
	var images = Ext.select('#back-image img').elements;
	var ctr = 0;
	
	// bimg.setStyle.defer('background-image', 'url('+images[0].src+')');
	swapImages();
	
	function swapImages() {
		fimg.dom.src=images[ctr].src;
		fimg.setOpacity(1.0).setVisible(true);
		bimg.setStyle('background-image', 'url('+nextImage().src+')');
		fimg.fadeOut.defer(4000,fimg,[{callback: swapImages, duration:1.5}]);
	}
	
	function nextImage() {
		ctr= (ctr < images.length-1 ? ctr+1 : 0);
		return images[ctr];
	}
});