/* Cookie Script
========================================== */
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;
}


/* Chenge Font Size
========================================== */
$(function(){
	var currentstyle = readCookie('yomiuriFontStyle');
	if (currentstyle){
		switchFont(currentstyle);
	}else{
		switchFont("fontMedium");
	};
		
	$("dl#changeFontsize dd.small a").click(function(){
		switchFont("fontSmall");
		return false;
	});
		
	$("dl#changeFontsize dd.medium a").click(function(){
		switchFont("fontMedium");
		return false;
	});
	
	$("dl#changeFontsize dd.large a").click(function(){
		switchFont("fontLarge");
		return false;
	});
});

function switchFont(className){
   $('#wrap').removeAttr('class').addClass(className);
   $('dl#changeFontsize').removeAttr('class').addClass(className);
   createCookie('yomiuriFontStyle', className, 365);
};