// JavaScript Document

/*
 * yuga.js 0.6.3 - 優雅なWeb制作のためのJS
 *
 * Copyright (c) 2007 Kyosuke Nakamura (kyosuke.jp)
 * Licensed under the MIT License:
 * http://www.opensource.org/licenses/mit-license.php
 *
 * Since:     2006-10-30
 * Modified:  2008-07-07
 *
 * jQuery 1.2.6
 * ThickBox 3.1
 */


(function($) {

	$(function() {
		$.yuga.selflink();
		$.yuga.rollover();
		$.yuga.scroll();
		$.yuga.css3class();
	});

	//---------------------------------------------------------------------

	$.yuga = {
		// URIを解析したオブジェクトを返すfunction
		Uri: function(path){
			this.originalPath = path;
			//絶対パスを取得
			this.absolutePath = (function(){
				var e = document.createElement('span');
				e.innerHTML = '<a href="' + path + '" />';
				return e.firstChild.href;
			})();
			//絶対パスを分解
			var fields = {'schema' : 2, 'username' : 5, 'password' : 6, 'host' : 7, 'path' : 9, 'query' : 10, 'fragment' : 11};
			var r = /^((\w+):)?(\/\/)?((\w+):?(\w+)?@)?([^\/\?:]+):?(\d+)?(\/?[^\?#]+)?\??([^#]+)?#?(\w*)/.exec(this.absolutePath);
			for (var field in fields) {
				this[field] = r[fields[field]]; 
			}
		},
		//現在のページと親ディレクトリへのリンク
		selflink: function (options) {
			var c = $.extend({
				selfLinkClass:'current',
				parentsLinkClass:'parentsLink',
				postfix: '_on'
			}, options);
			$('a[href]').each(function(){
				var href = new $.yuga.Uri(this.getAttribute('href'));
				var setImgFlg = false;
				if ((href.absolutePath == location.href) && !href.fragment) {
					//同じ文書にリンク
					$(this).addClass(c.selfLinkClass);
					setImgFlg = true;
				} else if (0 <= location.href.search(href.absolutePath)) {
					//親ディレクトリリンク
					$(this).addClass(c.parentsLinkClass);
					setImgFlg = false;
				}
				if (setImgFlg){
					//img要素が含まれていたら現在用画像（_cr）に設定
					$(this).find('img').each(function(){
						this.originalSrc = $(this).attr('src');
						this.currentSrc = this.originalSrc.replace(/(\.gif|\.jpg|\.png)/, c.postfix+"$1");
						$(this).attr('src',this.currentSrc);
					});
				}
			});
		},
		//ロールオーバー
		rollover: function(options) {
			var c = $.extend({
				hoverSelector: 'a img.roll_over,#contents li a img,#sub_contents li a img,#side_contents li a img,#header ul a img',
				groupSelector: '#contents img,#sub_contents img,#side_contents img',
				postfix: '_on'
			}, options);
			//ロールオーバーするノードの初期化
			$(c.hoverSelector).filter(isNotCurrent).each(function(){
				this.originalSrc = $(this).attr('src');
				this.rolloverSrc = this.originalSrc.replace(/(\.gif|\.jpg|\.png)$/, c.postfix+"$1");
				this.rolloverImg = new Image;
				this.rolloverImg.src = this.rolloverSrc;
			});
			//グループ内のimg要素を指定するセレクタ生成
			var inGroup = new Array();
			$.each(c.groupSelector.split(/,\s?/g), function(i, n){
				inGroup.push(n + ' ' + c.hoverSelector.replace(/,\s?/g, ', '+ n +' '));
			});
			var inGroupSelector = $(inGroup.join(', '));
			//通常ロールオーバー
			$(c.hoverSelector).not(inGroupSelector).filter(isNotCurrent).hover(function(){
				$(this).attr('src',this.rolloverSrc);
			},function(){
				$(this).attr('src',this.originalSrc);
			});
			//グループ化されたロールオーバー
			$(c.groupSelector).hover(function(){
				$(this).find('img').filter(c.hoverSelector).filter(isNotCurrent).each(function(){
					$(this).attr('src',this.rolloverSrc);
				});
			},function(){
				$(this).find('img').filter(c.hoverSelector).filter(isNotCurrent).each(function(){
					$(this).attr('src',this.originalSrc);
				});
			});
			//フィルタ用function
			function isNotCurrent(i){
				return Boolean(!this.currentSrc);
			}
		},
		//ページ内リンクはするするスクロール
		scroll: function(options) {
			//ドキュメントのスクロールを制御するオブジェクト
			var scroller = (function() {
				var c = $.extend({
					easing:100,
					step:30,
					fps:60
				}, options);
				c.ms = Math.floor(1000/c.fps);
				var timerId;
				var param = {
					stepCount:0,
					startY:0,
					endY:0,
					lastY:0
				};
				//スクロール中に実行されるfunction
				function move() {
					if (param.stepCount == c.step) {
						//スクロール終了時
						window.scrollTo(getCurrentX(), param.endY);
					} else if (param.lastY == getCurrentY()) {
						//通常スクロール時
						param.stepCount++;
						window.scrollTo(getCurrentX(), getEasingY());
						param.lastY = getEasingY();
						timerId = setTimeout(move, c.ms); 
					}
				}
				function getCurrentY() {
					return document.body.scrollTop  || document.documentElement.scrollTop;
				}
				function getCurrentX() {
					return document.body.scrollLeft  || document.documentElement.scrollLeft;
				}
				function getEasingY() {
					return Math.floor(getEasing(param.startY, param.endY, param.stepCount, c.step, c.easing));
				}
				function getEasing(start, end, stepCount, step, easing) {
					var s = stepCount / step;
					return (end - start) * (s + easing / (100 * Math.PI) * Math.sin(Math.PI * s)) + start;
				}
				return {
					set: function(options) {
						this.stop();
						if (options.startY == undefined) options.startY = getCurrentY();
						param = $.extend(param, options);
						param.lastY = param.startY;
						timerId = setTimeout(move, c.ms); 
					},
					stop: function(){
						clearTimeout(timerId);
						param.stepCount = 0;
					}
				};
			})();
			$('a[href^=#], area[href^=#]').not('a[href=#], area[href=#]').each(function(){
				this.hrefdata = new $.yuga.Uri(this.getAttribute('href'));
			}).click(function(){
				var target = $('#'+this.hrefdata.fragment);
				if (target.length) {
					scroller.set({
						endY: target.offset().top
					});
					return false;
				}
			});
		},
		//css3のクラスを追加
		css3class: function() {
			//:first-child, :last-childをクラスとして追加
			$('body :first-child').addClass('firstChild');
			$('body :last-child').addClass('lastChild');
			//css3の:emptyをクラスとして追加
			$('body :empty').addClass('empty');
		}
	};
})(jQuery);


// IE ANCHOR BG CACHE

var version = navigator.appVersion;
	version = version.substring(0,1);
var browser = navigator.appName;

if (browser =="Microsoft Internet Explorer"){
	try {
		document.execCommand("BackgroundImageCache", false, true);
	} catch(e) {}
}

// FOCUS INPUT
var colorful = new ColorfulInput;
	colorful.skip = ['submit'];
	colorful.skip = ['reset'];
	colorful.color['focus'] = '#FFF8F8';

window.onload = function() {
	colorful.set();
}

function ColorfulInput() {
	this.skip= [];
	this.color = { 'blur': '', 'focus': '#FFF0F8' };

	this.set = function() {
	for (var i = 0; i < document.forms.length; i++) {
		for (var f = 0; f < document.forms[i].length; f++) {
			var elm = document.forms[i][f];
			if(!this._checkSkip(elm)) continue;
			this._setColor(elm, 'focus');
			this._setColor(elm, 'blur');
		}
	}
}

this._checkSkip = function(elm) {
	for(var i in this.skip) {
 		if(elm.type == this.skip[i]) return false;
	}
	return true;
}

this._setColor = function(elm, type) { 
	var color = this.color[type];
	var event = function() { elm.style.backgroundColor = color; };
	if(elm.addEventListener) {
		elm.addEventListener(type, event, false);
	}else if(elm.attachEvent) {
		elm.attachEvent('on'+type, event);
	}else{
		elm['on'+type] = event;
	}
}
}

// OPEN WINDOW
function openPop(url) {
 pop_window = window.open(url, 'pop_window','width=548,height=600,scrollbars=yes,resizable=yes');
 pop_window.focus();
}

function windowTour(url){
window_options = "width=620,height=720,scrollbars=no,resizable=yes,menubar=no,location=no,toolbar=no";
tour = window.open(url,"tour",window_options);
}

/*
 * Droppy 0.1.2
 * (c) 2008 Jason Frame (jason@onehackoranother.com)
 */

(function($) {
  
  $.fn.droppy = function(options) {

    options = $.extend({speed: 250, className: 'droppy'}, options || {});

    this.each(function() {

      var root = this, zIndex = 1000;

      $(root).addClass(options.className);
			$(root).find('li:has(> ul) > a').addClass('has-subnav');

      function getSubnav(ele) {
        if (ele.nodeName.toLowerCase() == 'li') {
          var subnav = $('> ul', ele);
          return subnav.length ? subnav[0] : null;
        } else {
          return ele;
        }
      };

      function getActuator(ele) {
        if (ele.nodeName.toLowerCase() == 'ul') {
          return $(ele).parents('li')[0];
        } else {
          return ele;
        }
      };

      function hide() {
        var subnav = getSubnav(this);
        if (!subnav) return;
        $.data(subnav, 'cancelHide', false);
        setTimeout(function() {
          if (!$.data(subnav, 'cancelHide')) {
            $(subnav).slideUp(options.speed);
          }
        }, 500);
      };

      function show() {
        var subnav = getSubnav(this);
        if (!subnav) return;
        $.data(subnav, 'cancelHide', true);
        $(subnav).css({zIndex: zIndex++}).slideDown(options.speed);
        if (this.nodeName.toLowerCase() == 'ul') {
          var li = getActuator(this);
          $(li).addClass('hover');
          $('> a', li).addClass('hover');
        }
      };
      
      if (typeof $.fn.hoverIntent == 'function') {
          $('ul, li', this).hoverIntent($.extend({
              sensitivity: 2, interval: 50, timeout: 100
          }, options.hoverIntent || {}, {over: show, out: hide}));
      } else {
          $('ul, li', this).hover(show, hide);
      }
      
        $('li', this).hover(
        function() { $(this).addClass('hover'); $('> a', this).addClass('hover'); },
        function() { $(this).removeClass('hover'); $('> a', this).removeClass('hover'); }
      );

    });

  };

})(jQuery);


// ALPHA PNG IE

/*--------------------------------------------------------------------------*
 *  
 *  alphafilter JavaScript Library beta3
 *  
 *  MIT-style license. 
 *  
 *  2007 Kazuma Nishihata 
 *  http://www.webcreativepark.net
 *  
 *--------------------------------------------------------------------------*/

new function(){

	if(window.addEventListener){
		window.addEventListener('load',alphafilter,false);
	}else if(window.attachEvent){
		window.attachEvent('onload',alphafilter);
	}
	
	function alphafilter(){
		if (typeof document.body.style.maxHeight == "undefined") {//for old ie
			var elements = getElementsByClassName("alphafilter");
			for (var i=0; i<elements.length; i++) {
				var element = elements[i];
				if(element.nodeName=="IMG"){
					var newimg  = document.createElement("b");
					newimg.id   = element.id;
					newimg.className     = element.className;
					newimg.style.display = "block";
					newimg.style.width   = element.width;
					newimg.style.height  = element.height;
					newimg.style.float   = element.align;
					newimg.style.filter  = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src="+element.src+",sizingMethod='scale')";
					element.parentNode.replaceChild(newimg,element);
				}else{
					var anchors = element.getElementsByTagName("a");
					for (var j=0; j<anchors.length; j++) {
						var anchor = anchors[j];
						anchor.style.position="relative";
					}
					var  newimg = element.currentStyle.backgroundImage || element.style.backgroundImage;
					newimg.match(/^url[("']+(.*\.png)[)"']+$/i)
					var newimg = RegExp.$1;
					element.style.filter ="progid:DXImageTransform.Microsoft.AlphaImageLoader(src="+newimg+",sizingMethod='image')";
					element.style.background = "none";
				}
			}
		}
	}
	
	function getElementsByClassName(className){
		var i, j, eltClass;
		var objAll = document.getElementsByTagName ? document.getElementsByTagName("*") : document.all;
		var objCN = new Array();
		for (i = 0; i < objAll.length; i++) {
			eltClass = objAll[i].className.split(/\s+/);
			for (j = 0; j < eltClass.length; j++) {
				if (eltClass[j] == className) {
					objCN.push(objAll[i]);
					break;
				}
			}
		}
		return objCN;
	}
}