/*!
 *
 * Copyright 2010
 *
 *
 * Date: 2010.11.24
 * noriaki.yamada
 */

//----------------------------------------			
//　fontSizeSwitcher
//----------------------------------------

$(function(){
	
	var letterImg = $("#letter_size>ul>li>a").children();
	var currentSizeBtnImg;
	
	if(($.cookie("fontSize")))
	{
		switch($.cookie("fontSize"))
		{
			case $(letterImg[0]).parent().attr("rel"):
				$(letterImg[0]).attr("src",$(letterImg[0]).attr("src").replace("_off.","_on."));
				currentSizeBtnImg = $(letterImg[0]);
				break;
				
			case $(letterImg[1]).parent().attr("rel"):
				$(letterImg[1]).attr("src",$(letterImg[1]).attr("src").replace("_off.","_on."));
				currentSizeBtnImg = $(letterImg[1]);
				break;
				
			case $(letterImg[2]).parent().attr("rel"):
				$(letterImg[2]).attr("src",$(letterImg[2]).attr("src").replace("_off.","_on."));
				currentSizeBtnImg = $(letterImg[2]);
				break;
		}
		$("body").css("font-size",currentSizeBtnImg.parent().attr("rel"));
	}
	else
	{
		$(letterImg[0]).attr("src",$(letterImg[0]).attr("src").replace("_off.","_on."));
		currentSizeBtnImg = $(letterImg[0]);
		$("body").css("font-size",currentSizeBtnImg.parent().attr("rel"));
	}
	
	
	
	
	/*
		文字サイズ変更
	------------------------------------------------------------------------------*/
	
	
	$("a[href^=letter_size]").click(function()
	{
		if(!$(this).children().hasClass("current"))
		{
			currentSizeBtnImg.removeClass("current");
			currentSizeBtnImg.attr("src", currentSizeBtnImg.attr("src").replace("_on.","_off."));
			currentSizeBtnImg = $(this).children();
			currentSizeBtnImg.addClass("current");
			$("body").css("font-size",$(this).attr("rel"));
			$.cookie("fontSize",$(this).attr("rel"),{path:"/"});
		}
		return false;
	});
	
});