(function(){
	var
		H = {},
		flicker = function () {
			var all = H.alldiv;
			H.bp = (11 + H.bp) % 100;
			all.setAttribute('style','background-position:'+H.bp+'px '+H.bp+'px; background-color: rgba(0,0,0,'+(Math.random()/10)+')');
		},
		init = function () {
			H.alldiv = document.getElementById('all');
			H.bp = 0;
			setInterval(flicker, 100);
		};
	window.addEventListener('load', init, false);
}());