var sponsors = [];

var scaled_backgrounds = [1, 2, 3];

<!-- Backgrounds. -->
$(document).ready(function () {
	var ids = [];
	var i = 3;
	var css_class = '';
	while (i > 0) {
		css_class = 'center-background';
		if ($.inArray(i, scaled_backgrounds) != -1) {
			css_class = css_class + ' cover';
		}
		
		$('body').prepend('<div id="pageBkg' + i + '" class="' + css_class + '"></div>');
		ids.push('pageBkg' + i);
		--i;
	}

	var rotation = new App.effects.rotation(
		ids.reverse(),
		App.advertisements.effect_time, 
		App.advertisements.interval_delay, 
		'with-bgr'
	);
	rotation.start();
});