/* =======================================

	CSS

 -----------------------------------------
	INDEX
 -----------------------------------------
	

========================================== */

/* IE6で砂時計回避
========================================== */
try {
	document.execCommand('BackgroundImageCache', false, true);
}catch(e){}


/* Mouse Over
========================================== */
$(function() {
  var image_cache = new Object();
  $(".swap").each(function(i) {
    var imgsrc = this.src;
    var dot = this.src.lastIndexOf('.');
    var imgsrc_on = this.src.substr(0, dot) + '_on' + this.src.substr(dot, 4);
    image_cache[this.src] = new Image();
    image_cache[this.src].src = imgsrc_on;
    $(this).hover(
      function() { this.src = imgsrc_on; },
      function() { this.src = imgsrc; });
  });
});


/* 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('nitori_hdFontStyle');
	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){
   $('#main').removeAttr('class').addClass(className);
   $('dl#changeFontsize').removeAttr('class').addClass(className);
   createCookie('nitori_hdFontStyle', className, 365);
};


/* Smooth Scroll
========================================== */
$(function(){ 
	$('a[href^=#]:not(a[href$=#])').not('#contents .categoryNavi li a, .recommendRecipeNavi ul li a').click(function(){
		var href= this.hash;
		var $target = $(href == '#_top' ? 'body' : href);

		// アンカーリンクがあるページでだけ以下を実行
		if($target.size()){
			var top = $target.offset().top;
			$($.browser.safari ? 'body' : 'html').animate({scrollTop:top}, 500, 'swing');
		}
		return false;
	});
});