// Mootools related
window.addEvent('domready', function() {

	// hold the starting index
	var img_idx = 0;

	// select the images
	var homepage_rotating_images = function() {
		var imgs = $$('.imgs');
		if ( imgs && imgs.length > 0 ) {
			// check the image index, if == 5, reset to 0
			if ( img_idx == 5 )
				img_idx = 0;
			
			// define the slices dir
			var slice_dir = '/img/slices/';
			
			// increment index
			img_idx++;
			
			// a1-5, b1-5, c1-5
			imgs.each(function(el, idx) {
				var letter = el.id.substring(5, 6);
				el.setStyle('background-image', 'url('+slice_dir+letter+img_idx+'.jpg)');
			});
		}
		
		// setup timer to do it again
		setTimeout("this.fireEvent('homepage_rotating_images')", 3000);
	}
	
	this.addEvent('homepage_rotating_images', homepage_rotating_images);
	this.fireEvent('homepage_rotating_images');
});