function change_img(img){
	if(img>4){
		img = 1;
	}
	$(".box_small").css("background","#DDD5D5");
	$(".box_small a img").attr("src","images/book_now2.jpg");
	$("#box_small"+img).css("background","#97dddb");
	$("#box_small"+img+" a img").attr("src","images/book_now1.jpg");
	img++;
	var t = setTimeout("change_img("+img+")",10000);
}

$(document).ready(function(){ 
	change_img(1);
});