var rotate = 0;

function rotator(){
	if (rotate == -1960){
		$('.slider').animate({left: '0px'}, 1000);
		rotate = 0;
	}else{
		rotate -= 980;
		$('.slider').animate({left: rotate+'px'}, 1000);
		
	}
}

$(document).ready(function(){
	$(document).everyTime(4000, function(i) {
  	rotator();
	}, 1000);
});