/***********************************
*
*	smart Roooooooooooooollover !
*
************************************/
function smartRollover() {
	if(document.getElementsByTagName) {
		var images = document.getElementsByTagName("img");

		for(var i=0; i < images.length; i++) {
			if(images[i].getAttribute("src").match("_off."))
			{
				images[i].onmouseover = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_off.", "_on."));
				}
				images[i].onmouseout = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_on.", "_off."));
				}
			}
		}
	}
}


if(window.addEventListener) {
	window.addEventListener("load", smartRollover, false);
}
else if(window.attachEvent) {
	window.attachEvent("onload", smartRollover);
}


/*****************************************
*
   Smooth scrolling
   Changes links that link to other parts of this page to scroll
   smoothly to those links rather than jump to them directly, which
   can be a little disorienting.
   
   sil, http://www.kryogenix.org/
   
   v1.0 2003-11-11
   v1.1 2005-06-16 wrap it up in an object

*
*****************************************/


var ss = {
  fixAllLinks: function() {
    // Get a list of all links in the page
    var allLinks = document.getElementsByTagName('a');
    // Walk through the list
    for (var i=0;i<allLinks.length;i++) {
      var lnk = allLinks[i];
      if ((lnk.href && lnk.href.indexOf('#') != -1) && 
          ( (lnk.pathname == location.pathname) ||
	    ('/'+lnk.pathname == location.pathname) ) && 
          (lnk.search == location.search)) {
        // If the link is internal to the page (begins in #)
        // then attach the smoothScroll function as an onclick
        // event handler
        ss.addEvent(lnk,'click',ss.smoothScroll);
      }
    }
  },

  smoothScroll: function(e) {
    // This is an event handler; get the clicked on element,
    // in a cross-browser fashion
    if (window.event) {
      target = window.event.srcElement;
    } else if (e) {
      target = e.target;
    } else return;

    // Make sure that the target is an element, not a text node
    // within an element
    if (target.nodeName.toLowerCase() != 'a') {
      target = target.parentNode;
    }
  
    // Paranoia; check this is an A tag
    if (target.nodeName.toLowerCase() != 'a') return;
  
    // Find the <a name> tag corresponding to this href
    // First strip off the hash (first character)
    anchor = target.hash.substr(1);
    // Now loop all A tags until we find one with that name
    var allLinks = document.getElementsByTagName('a');
    var destinationLink = null;
    for (var i=0;i<allLinks.length;i++) {
      var lnk = allLinks[i];
      if (lnk.name && (lnk.name == anchor)) {
        destinationLink = lnk;
        break;
      }
    }
    if (!destinationLink) destinationLink = document.getElementById(anchor);

    // If we didn't find a destination, give up and let the browser do
    // its thing
    if (!destinationLink) return true;
  
    // Find the destination's position
    var destx = destinationLink.offsetLeft; 
    var desty = destinationLink.offsetTop;
    var thisNode = destinationLink;
    while (thisNode.offsetParent && 
          (thisNode.offsetParent != document.body)) {
      thisNode = thisNode.offsetParent;
      destx += thisNode.offsetLeft;
      desty += thisNode.offsetTop;
    }
  
    // Stop any current scrolling
    clearInterval(ss.INTERVAL);
  
    cypos = ss.getCurrentYPos();
  
    ss_stepsize = parseInt((desty-cypos)/ss.STEPS);
    ss.INTERVAL =
setInterval('ss.scrollWindow('+ss_stepsize+','+desty+',"'+anchor+'")',10);
  
    // And stop the actual click happening
    if (window.event) {
      window.event.cancelBubble = true;
      window.event.returnValue = false;
    }
    if (e && e.preventDefault && e.stopPropagation) {
      e.preventDefault();
      e.stopPropagation();
    }
  },

  scrollWindow: function(scramount,dest,anchor) {
    wascypos = ss.getCurrentYPos();
    isAbove = (wascypos < dest);
    window.scrollTo(0,wascypos + scramount);
    iscypos = ss.getCurrentYPos();
    isAboveNow = (iscypos < dest);
    if ((isAbove != isAboveNow) || (wascypos == iscypos)) {
      // if we've just scrolled past the destination, or
      // we haven't moved from the last scroll (i.e., we're at the
      // bottom of the page) then scroll exactly to the link
      window.scrollTo(0,dest);
      // cancel the repeating timer
      clearInterval(ss.INTERVAL);
      // and jump to the link directly so the URL's right
      location.hash = anchor;
    }
  },

  getCurrentYPos: function() {
    if (document.body && document.body.scrollTop)
      return document.body.scrollTop;
    if (document.documentElement && document.documentElement.scrollTop)
      return document.documentElement.scrollTop;
    if (window.pageYOffset)
      return window.pageYOffset;
    return 0;
  },

  addEvent: function(elm, evType, fn, useCapture) {
    // addEvent and removeEvent
    // cross-browser event handling for IE5+,  NS6 and Mozilla
    // By Scott Andrew
    if (elm.addEventListener){
      elm.addEventListener(evType, fn, useCapture);
      return true;
    } else if (elm.attachEvent){
      var r = elm.attachEvent("on"+evType, fn);
      return r;
    } else {
      alert("Handler could not be removed");
    }
  } 
}

ss.STEPS = 25;

ss.addEvent(window,"load",ss.fixAllLinks);



/* -------------------------------- */
/* スタイルシート切り替え文字サイズ */
/* -------------------------------- */
/* 
function setActiveStyleSheet(title) {
var i, a, main;
for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
a.disabled = true;
if(a.getAttribute("title") == title) a.disabled = false;
}
}
}
function getActiveStyleSheet() {
var i, a;
for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) return a.getAttribute("title");
}
return null;
}
function getPreferredStyleSheet() {
var i, a;
for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
if(a.getAttribute("rel").indexOf("style") != -1
&& a.getAttribute("rel").indexOf("alt") == -1
&& a.getAttribute("title")
) return a.getAttribute("title");
}
return null;
}
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;
}
window.onload = function(e) {
var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);
}
window.onunload = function(e) {
var title = getActiveStyleSheet();
createCookie("style", title, 365);
}
var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);

*/



/* -------------------------------- */
/* スタイルシート切り替え文字サイズ */
/* L +Cookie Soooooooooooource!!!!  */
/* -------------------------------- */

/**
* jQuery Cookie plugin
*
* Copyright (c) 2010 Klaus Hartl (stilbuero.de)
* Dual licensed under the MIT and GPL licenses:
* http://www.opensource.org/licenses/mit-license.php
* http://www.gnu.org/licenses/gpl.html
*
*/
jQuery.cookie = function (key, value, options) {

    // key and at least value given, set cookie...
    if (arguments.length > 1 && String(value) !== "[object Object]") {
        options = jQuery.extend({}, options);

        if (value === null || value === undefined) {
            options.expires = -1;
        }

        if (typeof options.expires === 'number') {
            var days = options.expires, t = options.expires = new Date();
            t.setDate(t.getDate() + days);
        }

        value = String(value);

        return (document.cookie = [
            encodeURIComponent(key), '=',
            options.raw ? value : encodeURIComponent(value),
            options.expires ? '; expires=' + options.expires.toUTCString() : '', // use expires attribute, max-age is not supported by IE
            options.path ? '; path=' + options.path : '',
            options.domain ? '; domain=' + options.domain : '',
            options.secure ? '; secure' : ''
        ].join(''));
    }

    // key and possibly options given, get cookie...
    options = value || {};
    var result, decode = options.raw ? function (s) { return s; } : decodeURIComponent;
    return (result = new RegExp('(?:^|; )' + encodeURIComponent(key) + '=([^;]*)').exec(document.cookie)) ? decode(result[1]) : null;
};

(function($){

	$(function(){
		fontsizeChange();
	});

	function fontsizeChange(){

		var changeArea = $("#frame_outer");			//フォントサイズ変更エリア
		var btnArea = $("#txt_size");				//フォントサイズ変更ボタンエリア
		var changeBtn = btnArea.find(".changeBtn");			//フォントサイズ変更ボタン クラス指定があれば
		var fontSize = [87,100,131];				//フォントサイズ（HTMLと同じ並び順、幾つでもOK、単位は％）
		var ovStr = "_on";							//ロールオーバー画像ファイル末尾追加文字列（ロールオーバー画像を使用しない場合は値を空にする）
		var activeClass = "active";					//フォントサイズ変更ボタンのアクティブ時のクラス名
		var defaultSize = 1;						//初期フォントサイズ設定（HTMLと同じ並び順で0から数値を設定）
		var cookieExpires = 1;						//クッキー保存期間
		var sizeLen = fontSize.length;
		var useImg = ovStr!="" && changeBtn.is("[src]");

		//現在クッキー確認関数
		function nowCookie(){
			return $.cookie("fontsize");
		}

		//画像切替関数
		function imgChange(elm1,elm2,str1,str2){
			elm1.attr("src",elm2.attr("src").replace(new RegExp("^(\.+)"+str1+"(\\.[a-z]+)$"),"$1"+str2+"$2"));
		}

		//マウスアウト関数
		function mouseOut(){
			for(var i=0; i<sizeLen; i++){
				if(nowCookie()!=fontSize[i]){
					imgChange(changeBtn.eq(i),changeBtn.eq(i),ovStr,"");
				}
			}
		}

		//フォントサイズ設定関数
		function sizeChange(){
			changeArea.css({fontSize:nowCookie()+"%"});
		}

		//クッキー設定関数
		function cookieSet(index){
			$.cookie("fontsize",fontSize[index],{path:'/',expires:cookieExpires});
		}

		//初期表示
		if(nowCookie()){
			for(var i=0; i<sizeLen; i++){
				if(nowCookie()==fontSize[i]){
					sizeChange();
					var elm = changeBtn.eq(i);
					if(useImg){
						imgChange(elm,elm,"",ovStr);
					}
					elm.addClass(activeClass);
					break;
				}
			}
		}
		else {
			cookieSet(defaultSize);
			sizeChange();
			var elm = changeBtn.eq(defaultSize);
			if(useImg){
				imgChange(elm,elm,"",ovStr);
				imgChange($("<img>"),elm,"",ovStr);
			}
			elm.addClass(activeClass);
		}

		//ホバーイベント（画像タイプ）
		if(useImg){
			changeBtn.each(function(i){
				var self = $(this);
				self.hover(
				function(){
					if(nowCookie()!=fontSize[i]){
						imgChange(self,self,"",ovStr);
					}
				},
				function(){
					mouseOut();
				});
			});
		}

		//クリックイベント
		changeBtn.click(function(){
			var index = changeBtn.index(this);
			var self = $(this);
			cookieSet(index);
			sizeChange();
			if(useImg){
				mouseOut();
			}
			if(!self.hasClass(activeClass)){
				changeBtn.not(this).removeClass(activeClass);
				self.addClass(activeClass);
			}
		});

	}

})(jQuery);