var $$ = $.fn;
$$.extend({
	SplitID : function()
	{
		return this.attr('id').split('-').pop();
	},
	FontSize :
	{		
		Ready: function()
		{
			var size;
			if ($.cookie('font-size'))
			{
				size = $.cookie('font-size');
				$("body").css("font-size", size);
				
				if (size == "16px")
				{
					document.getElementById("icoFontLarge").src = "http://www.sanctuarybooks.jp/img/common/head_font_lo.gif";
					document.getElementById("icoFontSmall").src = "http://www.sanctuarybooks.jp/img/common/head_font_s.gif";
					document.getElementById("icoFontMedium").src = "http://www.sanctuarybooks.jp/img/common/head_font_m.gif";
				}else if(size == "14px"){
					document.getElementById("icoFontMedium").src = "http://www.sanctuarybooks.jp/img/common/head_font_mo.gif";
					document.getElementById("icoFontLarge").src = "http://www.sanctuarybooks.jp/img/common/head_font_l.gif";
					document.getElementById("icoFontSmall").src = "http://www.sanctuarybooks.jp/img/common/head_font_s.gif";					
				}else{
					document.getElementById("icoFontSmall").src = "http://www.sanctuarybooks.jp/img/common/head_font_so.gif";
					document.getElementById("icoFontLarge").src = "http://www.sanctuarybooks.jp/img/common/head_font_l.gif";
					document.getElementById("icoFontMedium").src = "http://www.sanctuarybooks.jp/img/common/head_font_m.gif";					
				}
			}else{
					document.getElementById("icoFontSmall").src = "http://www.sanctuarybooks.jp/img/common/head_font_so.gif";
					document.getElementById("icoFontLarge").src = "http://www.sanctuarybooks.jp/img/common/head_font_l.gif";
					document.getElementById("icoFontMedium").src = "http://www.sanctuarybooks.jp/img/common/head_font_m.gif";			
			}
			

			$('li.fontSize').click(function()
			{				
				var elem = $('li#fontSize-' + $(this).SplitID())
				var id = elem.attr('id');

				if (id == "fontSize-Big")
				{
					document.getElementById("icoFontLarge").src = "http://www.sanctuarybooks.jp/img/common/head_font_lo.gif";
					document.getElementById("icoFontSmall").src = "http://www.sanctuarybooks.jp/img/common/head_font_s.gif";
					document.getElementById("icoFontMedium").src = "http://www.sanctuarybooks.jp/img/common/head_font_m.gif";
					$.cookie('font-size', '16px', {path:'/'});
					$("body").css("font-size", "16px")
				}
				else if (id == "fontSize-Small")
				{
					document.getElementById("icoFontSmall").src = "http://www.sanctuarybooks.jp/img/common/head_font_so.gif";
					document.getElementById("icoFontLarge").src = "http://www.sanctuarybooks.jp/img/common/head_font_l.gif";
					document.getElementById("icoFontMedium").src = "http://www.sanctuarybooks.jp/img/common/head_font_m.gif";
					$.cookie('font-size', '12px', {path:'/'});
					$("body").css("font-size", "12px")
				}
				else if(id == "fontSize-Middle")
				{
					document.getElementById("icoFontMedium").src = "http://www.sanctuarybooks.jp/img/common/head_font_mo.gif";
					document.getElementById("icoFontLarge").src = "http://www.sanctuarybooks.jp/img/common/head_font_l.gif";
					document.getElementById("icoFontSmall").src = "http://www.sanctuarybooks.jp/img/common/head_font_s.gif";
					$.cookie('font-size', '14px', {path:'/'});
					$("body").css("font-size", "14px")
				}
				
			});
		}
	}
});

$(function()
{
	$$.FontSize.Ready();
});