function switchDetailP(w){
	$(".detailP img:visible").hide();
	$(".detailP img:eq("+(w-1)+")").fadeIn("slow");
	$(".detailPList li").each(function(i){
		if($(this).data("n")==w){
			$(this).addClass("now");						 
		}else{
			$(this).removeClass("now");
		}
	});	
	nowDetailP=w;
}

$(document).ready(function(){	
	$(".detailP img:not(:first)").hide();
	
	pAmount=$(".detailP img").get().length;
	nowDetailP=1;
	$(".detailPList li").each(function(i){
		$(this).data("n", i+1);
		$(this).find("a").click(function(){
			var li=$(this).parent();
			if(li.data("n")!=nowDetailP){
				switchDetailP(li.data("n"));
			}
			return false;
		}).focus(function(){
			$(this).blur();
		});
	});
	switchDetailP(nowDetailP);
});