$(document).ready(function() {

     var L_SIZE = '100%'; //大きいサイズ
     var M_SIZE = '80%';   //普通サイズ
     var S_SIZE = '75%'; //小さいサイズ

     $("body").css("font-size",$.cookie('fontsize'));
	 $("#font_default").css("background","url('/common/images/glmenu.gif') no-repeat -950px -6px");
	 
	 if($.cookie('fontsize') == S_SIZE){
		$("#font_small").css("background","url('/common/images/glmenu.gif') no-repeat -807px -6px");
	 	$("#font_default").css("background","url('/common/images/glmenu_ov_merida.gif') no-repeat -850px -14px");
	 	$("#font_large").css("background","url('/common/images/glmenu_ov_merida.gif') no-repeat -893px -14px");
	 }else if($.cookie('fontsize') == L_SIZE){
		$("#font_small").css("background","url('/common/images/glmenu_ov_merida.gif') no-repeat -807px -14px");
		$("#font_default").css("background","url('/common/images/glmenu_ov_merida.gif') no-repeat -850px -14px");
		$("#font_large").css("background","url('/common/images/glmenu.gif') no-repeat -893px -6px");
	 }else{	 
		$("#font_small").css("background","url('/common/images/glmenu_ov_merida.gif') no-repeat -807px -14px");
		$("#font_default").css("background","url('/common/images/glmenu.gif') no-repeat -850px -6px");
		$("#font_large").css("background","url('/common/images/glmenu_ov_merida.gif') no-repeat -893px -14px");
	 }
	 
	 
     $('#font_large').click(function()
    {
     $("body").css("font-size",L_SIZE);
	 $("#font_small").css("background","url('/common/images/glmenu_ov_merida.gif') no-repeat -807px -14px");
	 $("#font_default").css("background","url('/common/images/glmenu_ov_merida.gif') no-repeat -850px -14px");
	 $("#font_large").css("background","url('/common/images/glmenu.gif') no-repeat -893px -6px");
       $.cookie("fontsize",L_SIZE,{ path: '/', expires: 3});
    return false;
    }
   );

     $('#font_default').click(function()
   {
     $("body").css("font-size",M_SIZE);
	 $("#font_small").css("background","url('/common/images/glmenu_ov_merida.gif') no-repeat -807px -14px");
	 $("#font_default").css("background","url('/common/images/glmenu.gif') no-repeat -850px -6px");
	 $("#font_large").css("background","url('/common/images/glmenu_ov_merida.gif') no-repeat -893px -14px");
       $.cookie("fontsize",M_SIZE,{ path: '/', expires: 3});
    return false;
    }
   );

     $('#font_small').click(function()
    {
     $("body").css("font-size",S_SIZE);
	 $("#font_small").css("background","url('/common/images/glmenu.gif') no-repeat -807px -6px");
	 $("#font_default").css("background","url('/common/images/glmenu_ov_merida.gif') no-repeat -850px -14px");
	 $("#font_large").css("background","url('/common/images/glmenu_ov_merida.gif') no-repeat -893px -14px");
       $.cookie("fontsize",S_SIZE,{ path: '/', expires: 3});
    return false;
    }
   );

 }
);