$(function(){		   
	/* アルバム用フッター処理 */	
	var season = function(){
		var d = (new Date()).getMonth();
		var s;
		(1<d && 5>d)?s="spring":
		(4<d && 8>d)?s="summer":
		(7<d && 11>d)?s="autumn":
		(10<d || 2>d)?s="winter":
		s="";
		return s;
	};	
	$("div#footer").css({"background":"url(../images/footer/bg_footer_"+season()+".png) repeat-x"});
		
});