$(function(){

	$('#fontsizectrl').html('<dl id="size"><dd><ul><li class="sizeS" id="small" title="80 ％で表示">小</li><li class="sizeM" id="medium" title="100 ％で表示">中</li><li class="sizeL" id="large" title="120 ％で表示">大</li></ul></dd></dl>');



	var currentstyle = readCookie('fontStyle');

   if (currentstyle){

   switchFont(currentstyle);

   }else {

		currentstyle="fontM";

   	switchFont(currentstyle);

	};

	 

   $("li.sizeL").click(function(){

   switchFont("fontL");

   return false;

   });

   $("li.sizeM").click(function(){

	 switchFont("fontM");

   return false;

   });

   $("li.sizeS").click(function(){

   switchFont("fontS");

   return false;

  });

});

function switchFont(className){

   $("body").removeAttr("class").addClass(className);

   $("iframe").contents().find("body").removeAttr("class").addClass(className);

   createCookie('fontStyle', className, 365);

	 $("li.sizeS").css("background-image","url(/images/lib_image/font_s.gif)");

	 $("li.sizeM").css("background-image","url(/images/lib_image/font_m.gif)");

	 $("li.sizeL").css("background-image","url(/images/lib_image/font_l.gif)");

//	 $("li.sizeS").css("color","#000000");

//	 $("li.sizeM").css("color","#000000");

//	 $("li.sizeL").css("color","#000000");

	 switch(className){

		case "fontS":

	 $("li.sizeS").css("background-image","url(/images/lib_image/font_s_over.gif)");

//	 	$("li.sizeS").css("color","#ff0000");

		break;

		case "fontM":

	 $("li.sizeM").css("background-image","url(/images/lib_image/font_m_over.gif)");

//	 	$("li.sizeM").css("color","#ff0000");

	  break;

		case "fontL":

	 $("li.sizeL").css("background-image","url(/images/lib_image/font_l_over.gif)");

//	 	$("li.sizeL").css("color","#ff0000");

		break;		 

	 }

	 

};



function createCookie(name,value,days){

   if (days){

   var date = new Date();

   date.setTime(date.getTime()+(days*24*60*60*1000));

   var expires = "; expires="+date.toGMTString();

   }

   else var expires = "";

   document.cookie = name+"="+value+expires+"; path=/";

}



function readCookie(name){

   var nameEQ = name + "=";

   var ca = document.cookie.split(';');

   for(var i=0;i < ca.length;i++)

   {

   var c = ca[i];

   while (c.charAt(0)==' ') c = c.substring(1,c.length);

   if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);

   }

   return null;

}