$(function(){
	if($.cookie('fsize')){
		$("body").css({fontSize:$.cookie('fsize')});
	}
});
function fontSize(size){

	if(size == "m"){

		size = "62.5%";
	}else{

		size = "75%";
	}

	$("body").css({fontSize:size});
	$.cookie("fsize",size,{expires:30,path:'/'});//書き込み{保存days}
}