//改變字級

function fontSize(container, target, defSize, maxSize) {
	
	if ($.cookie != undefined) {
		var cookie = target.replace(/[#. ]/g,'');
		var value = $.cookie(cookie);
		if (value !=null) {
			$(target).css('font-size', parseInt(value));
		}
	}
	
	$(container + " .defaultFont").click(function(){
		$(target).css('font-size', defSize);
		$(container + " .largeFont").removeClass("font-selected");
		$(this).addClass("font-selected");
		updatefontCookie(target, defSize);
	});

	$(container + " .largeFont").click(function(){
		$(target).css('font-size', maxSize);
		$(container + " .defaultFont").removeClass("font-selected");
		$(this).addClass("font-selected");
		updatefontCookie(target, maxSize);
	});

	function updatefontCookie(target, size) {
		if ($.cookie != undefined) {
			var cookie = target.replace(/[#. ]/g,'');
			$.cookie(cookie, size);
		} 
	}
}