function pulsateIt(element, to, from, tTo, tFrom) {
	jQuery(element).delay(400).fadeTo(tTo,to,function() {
	jQuery(element).delay(800).fadeTo(tFrom,from,pulsateIt(element,to,from,tTo,tFrom));
	});

}

jQuery(document).ready(function(){
	pulsateIt('#container img', 1, 0.7, 800, 1400);
});