jQuery(document).ready(function(){
	//画像ロールオーバー
	jQuery(".rollover").each(function(){
		this.orgsrc=jQuery(this).attr("src");
		if ((n = this.orgsrc.lastIndexOf(".")) != -1) {
			ext = this.orgsrc.substring(n);
		}
		this.newsrc=this.orgsrc.replace(ext, "_on"+ext);
		var newimg=new Image();
		newimg.src=this.newsrc;
		
		$(this).hover(
			function(){
				jQuery(this).attr("src",this.newsrc);
			},
			function(){
				jQuery(this).attr("src",this.orgsrc);
			}
		)
	});

	//文字サイズ変更
	var cookie = readCookie("style");
	var title = cookie ? cookie : getPreferredStyleSheet();
	setActiveStyleSheet(title);
	
	jQuery(".footer").each(function(){
		//
		d = new Date();
		h = d.getHours();
		if(h>=5&&h<16)
		{
			jQuery(this).toggleClass("bg-noon", true);
			jQuery(this).toggleClass("bg-evening", false);
			jQuery(this).toggleClass("bg-night", false);
		}
		else if(h>=16&&h<19)
		{
			jQuery(this).toggleClass("bg-noon", false);
			jQuery(this).toggleClass("bg-evening", true);
			jQuery(this).toggleClass("bg-night", false);
		}
		else
		{
			jQuery(this).toggleClass("bg-noon", false);
			jQuery(this).toggleClass("bg-evening", false);
			jQuery(this).toggleClass("bg-night", true);
		}
	});
	
	//
	jQuery("#searchBox").one("click", function(){
		if(jQuery("#searchBox").val()=="サイト内検索")
		{
			jQuery("#searchBox").val("");
		}
	});
	
});


$(window).unload(function(){
  var title = getActiveStyleSheet();
  createCookie("style", title, 0);
});


function setActiveStyleSheet(title) {
	jQuery("link[rel*='stylesheet'][title]").each(function(){
		this.disabled = jQuery(this).attr("title")!=title;
	});
}


function getActiveStyleSheet() {
	var titlename = null;
	jQuery("link[rel*='stylesheet'][title]").each(function(){
		if(!this.disabled)
			titlename = jQuery(this).attr("title");
	});
	return titlename;
}


function getPreferredStyleSheet() {
	var titlename = null;
	jQuery("link[rel^='stylesheet'][title]").each(function(){
			titlename = jQuery(this).attr("title");
	});
	return titlename;
}

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 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;
}

function popup(href){
	window.open(href, 'popup', 'width=600, height=660, menubar=yes, toolbar=yes, scrollbars=yes');
}